Communication

532 relations: A0620-00, Absolute rotation, Abundisporus, Abundisporus sclerosetosus, Acarospora, Acarospora schleicheri, Acca sellowiana, Afroboletus, Agama agama, Agaricus bresadolanus, Agaricus hondensis, Agaricus perobscurus, Agaricus santacatalinensis, Agaricus taeniatus, Aggregate (composite), Albatrellus, Alexander Macfarlane, Alexis Clairaut, Allium rhizomatum, Alpha Trianguli, Amalthea (moon), Amanita basii, Amanita flavella, Amanita flavorubens, Amanita smithiana, Amanita subvaginata, Amanita umbrinolutea, Amanita virgineoides, Amphirosellinia, Amylocorticiales, Amylostereum, AN/FPS-17, Analytic geometry, Anders Celsius, Angular eccentricity, Antella (fungus), Antella niemelaei, Antrodia, Antrodiella, Antrodiella lactea, Aphanoascus fulvescens, Arrhenia eburnea, Arrhenia epichysium, Ascaridia, Aschiza, Ascosphaera callicarpa, Aseroe floriformis, Aspicilia, Atom, Atomic de Broglie microscope, ..., Atomic orbital, Atraporiella, Augustin-Jean Fresnel, Auriporia, Axes conventions, Axis-aligned object, Banalinga, Bankera, Banksiamyces, Barcheria, Birefringence, Bocconi University, Bocksbeutel, Boidinella, Boletus amyloideus, Bothia, Bounding volume, Bra size, Brown algae, Bruceomyces, Buchwaldoboletus lignicola, Buglossoporus, Butyriboletus appendiculatus, Calvatia oblongispora, Cantharellus zangii, Carex gholsonii, Centroid, Cericium, Ceriporia albomellea, Ceriporia amazonica, Chasles' theorem (gravitation), Circular section, Clairaut's theorem, Climacodon sanguineus, Clitocybula, Color difference, Concrete shell, Confidence region, Confocal conic sections, Conformal map projection, Conocybe tenera, Coprobolus, Cornus clarnensis, Cortinarius badiolaevis, Corynopuntia, Costus curvibracteatus, Courant minimax principle, Cripps Pink, Cross section (geometry), Crustomyces subabruptus, Cyptotrama asprata, Dacryodes edulis, Deconica semiinconspicua, Definition of planet, Demagnetizing field, Dentocorticium, Dentocorticium hyphopaxillosum, DEPTHX, Design 1047 battlecruiser, Desulfobulbus propionicus, Dextrinoporus, Dhyanalinga, Diacanthodes, Dichomitus hubeiensis, Dielectrophoresis, Diffusion MRI, Diodella teres, Dirichlet's ellipsoidal problem, Discriminant, Distance of closest approach of ellipses and ellipsoids, Divine Mercy Sanctuary, Kraków, Dome (geology), DOT-111 tank car, Dusa McDuff, Dvoretzky's theorem, Dwarf planet, Earth ellipsoid, Earth radius, Echinochaete, Ecstatica, Ecstatica II, Ecuador, Effective mass (solid-state physics), Ellipse, Ellipsoid Hill, Ellipsoid method, Ellipsoidal coordinates, Ellipsoidal reflector spotlight, Elliptical distribution, Elliptical galaxy, Enceladus, Ernest Lawrence, Escovopsis aspergilloides, Eshelby's inclusion, Exophiala hongkongensis, Exoplanetology, Exploration of Neptune, Explorer 52, Exserohilum, Exterior algebra, Extraterrestrial atmosphere, Feodosy Krasovsky, Fibroporia, Fibroporia bohemica, Figure of the Earth, Fistulinella nivea, Flattening, Floccularia albolanaripes, Focaloid, Fomitopsis betulina, Fomitopsis subfeei, Fresnel zone, Fullerene, Function of several real variables, Fundamental station, Galaxy, Generalization, Geodesics on an ellipsoid, Geodetic datum, Geographic coordinate system, Geology of the Moon, Geometric algebra, Geometric shape, GeoTIFF, Giacinto Morera, Glossary of botanical terms, Glossary of geography terms, Glutinoglossum glutinosum, Gnuplot, Goode Solar Telescope, Grammothele bambusicola, Gregorian telescope, Gretchen Albrecht, Gymnopilus communis, Gymnopilus maritimus, Gyromitra infula, Hans Wolter, Hapalopilus africanus, Haploporus (fungus), Haploporus thindii, Haumea, HD 209458 b, Helvella corium, Heterobasidion occidentale, Hirticlavula, History of early modern period domes, History of geodesy, History of metamaterials, Homoeoid, Hot dry rock geothermal energy, Hydnellum ferrugineum, Hydnophlebia, Hydnum ellipsosporum, Hydnum repandum, Hydrostatic equilibrium, Hygrocybe appalachianensis, Hygrophoropsis rufa, Hygrophorus subalpinus, Hyperboloid, Hypercone, Hypericum perforatum, Hysteriaceae, Ianbruceite, Iapetus (moon), Index ellipsoid, Index of motion picture-related articles, Info-gap decision theory, Inkayacu, Inocutis, Inocybe aeruginascens, Inocybe tricolor, Intrinsic viscosity, Io (moon), Ionic radius, Jacobi ellipsoid, James Short (mathematician), Jetavanaramaya, John ellipsoid, Junghuhnia africana, Junghuhnia glabricystidia, Karlskirche, Kentmere, La Vieille Charité, Lactarius fennoscandicus, Lactarius fuliginosus, Lactarius porninsis, Lactarius pseudomucidus, Lactarius sanguifluus, Lactarius scoticus, Lactarius subdulcis, Lactarius subflammeus, Lactarius torminosulus, Lada Niva, Laetiporus ailaoshanensis, Laetiporus cremeiporus, Laetiporus zonatus, Lamé's stress ellipsoid, Langer's lines, Large margin nearest neighbor, Last geometric statement of Jacobi, Latitude, Lazar Lyusternik, Left atrial enlargement, Leifiporia, Lemon, Lens (anatomy), Leucospermum oleifolium, Light echo, Lignosus, Liliaceae, List of complex and algebraic surfaces, List of geometry topics, List of gravitationally rounded objects of the Solar System, List of mathematical shapes, List of moments of inertia, List of possible dwarf planets, List of Solar System objects by size, List of surfaces, Longitude, Loweomyces fractipes, LP-type problem, Luteoporia, Luzula nivalis, Lycium barbarum, Lysiana exocarpi, Maclaurin spheroid, Macrolepiota clelandii, Macrolepiota excoriata, Mahler volume, Mahonia fremontii, Makemake, Map projection, Marasmius funalis, Mars, Megasporoporia minuta, Mercator projection, Messier 87, Messier 89, Metuloidea, Microplane model for constitutive laws of materials, Microporellus adextrinoideus, Microporellus iguazuensis, Micropsalliota, Microsporum gypseum, Mind (The Culture), Minor planet, Moment of inertia, Monolithic dome, Moons of Saturn, Morchella anatolica, Morchella deqinensis, Morchella meiliensis, Morphology-dependent resonance, Mucor circinelloides, Multivariate normal distribution, Multivector, Mycena californiensis, Mycena interrupta, Mycena intersecta, Mycena nargan, Mycena purpureofusca, Mycena semivestipes, Mycena stylobates, Mycoacia rubiginosa, Mycorrhaphium citrinum, Myriothele, Mythicomyces, N-vector, Narcissus (plant), National Centre for the Performing Arts (China), Natural satellite, Nidula shingbaensis, Niemelaea, Nigroporus, Nigroporus vinosus, Normal distribution, Normal height, Oligoporus, Orders of magnitude (length), Ossicaulis, Oval, Oxyporus, Pachykytospora, Paecilomyces variotii, Paeonia clusii, Panaeolus antillarum, Panaeolus tropicalis, Pandanus tectorius, Parabolic antenna, Paraboloid, Penicillium psychrosexualis, Perenniporia nanlingensis, Perenniporia piceicola, Perrin friction factors, Peziza fimeti, Phaeocollybia herrerae, Phaeocollybia pseudolugubris, Phanerochaete, Phellinus ellipsoideus, Phellodon, Phellodon niger, Philip Batchelor, Phlebia crassisubiculata, Phlebiporia, Pholiotina cyanopus, Pholiotina smithii, Physalacriaceae, Physical geodesy, Planets in science fiction, Pluteus exilis, Plutoid, Pogonoloma, Poinsot's ellipsoid, Polyporus radicatus, Prime meridian (Greenwich), Principal axis theorem, Principal component analysis, Prolate spheroidal coordinates, Proteus (moon), Protoxerula, Psilocybe cinnamomea, Psilocybe hispanica, Psilocybe liniformans var. americana, Psilocybe quebecensis, Psilocybe semilanceata, Psilocybe serbica, Pumpkin bomb, Pyrodinium bahamense, Quadratic form, Quadric, Ramaria botrytis, Ramaria caulifloriformis, Ramaria magnipes, Ramaria rubripermanens, Ramariopsis, Reference ellipsoid, Regret (decision theory), Repetobasidiopsis, Reynolds number, Rhea (moon), Rhizopogon evadens, Rhizopogon occidentalis, Rhizopogon parvisporus, Rhodofomitopsis, Rhodofomitopsis lilacinogilva, Ricci curvature, Rickiopora, Roche limit, Roche lobe, Roridomyces austrororidus, Rostraureum tropicale, Rotating ellipsoidal variable, Roystonea regia, Rubroboletus rhodoxanthus, Rubroboletus sinicus, Russula virescens, S-II, San Salvador, Sarcoscypha coccinea, Scale (map), Scalene, Scattering, Schisandra glabra, Sclerodermatineae, Scutellinia setosa, Scutellinia subhirtella, Secant plane, Seismic migration, Semidiameter, Sepia (genus), Shape, Simosuchus, Single domain (magnetic), Singular value, Singular-value decomposition, Sinoboletus, Skeletocutis, Skeletocutis bambusicola, Skeletocutis microcarpa, Sling (weapon), Solid geometry, Spacecraft of The Saga of Seven Suns, Spectral theory, Spherical cap, Spherical Earth, Spheroid, Spindle apparatus, Spironemidae, Spongipellis unicolor, Squircle, Stage lighting instrument, Standard asteroid physical characteristics, Steccherinaceae, Stellar halo, Stropharia caerulea, Structure tensor, Subthalamic nucleus, Suillus helenae, Suillus salmonicolor, Suillus serotinus, Sukhoi Su-25, Superantigen, Superdeformation, Superquadrics, Sydney Opera House, Tensor, Tensor field, Terana caerulea, Testicle, Tethys (moon), Thebe (moon), Theorem of the three geodesics, Thermal ellipsoid, Three-dimensional space, Tidal force, Tidal locking, Timeline of telescope technology, Timeline of United States discoveries, Tissot's indicatrix, Torpedo punt, Tractography, Translation of axes, Triaxial, Tricholoma aurantium, Tricholoma pullum, Tuber donnagotto, Tulip, Tylopilus albofarinaceus, Tylopilus orsonianus, Tylopilus potamogeton, Tylopilus punctatofumosus, Tylopilus temucensis, Typhula quisquiliaris, Tyromyces pulcherrimus, Uncobasidium, Uncobasidium luteolum, Ungulidaedalea, V838 Monocerotis, Variable star, Verdesse, Victor Vasarely, Virola surinamensis, Volume, Volvopluteus asiaticus, Volvopluteus earlei, Volvopluteus gloiocephalus, Volvopluteus michiganensis, Water tower, Whirligig beetle, Whispering gallery, Willem van der Woude, Wolfiporia cartilaginea, World Geodetic System, Xanthoparmelia lavicola, Xanthoparmelia tinctina, Xeromphalina setulipes, Xerospermum noronhianum, Xerula australis, Ximenia caffra, Yarkovsky–O'Keefe–Radzievskii–Paddack effect, Zanha golungensis, Zeldovich pancake, (208996) 2003 AZ84, (66391) 1999 KW4, 10.5 cm FlaK 38, 1025 Riema, 11066 Sigurd, 121 Hermione, 1773 in science, 1964 New York World's Fair, 2 Pallas, 20000 Varuna, 214 Aschera, 23 Thalia, 36 Atalante, 39 Laetitia, 4 Vesta, 4440 Tchantchès, 49th parallel north, 511 Davida, 52 Europa, 61 Danaë. Expand index (482 more) » « Shrink index

A0620-00

A0620-00 (abbreviated from 1A 0620-00) is a binary star system in the constellation of Monoceros.

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Absolute rotation

In physics, the concept of absolute rotation—rotation independent of any external reference—is a topic of debate about relativity, cosmology, and the nature of physical laws.

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Abundisporus

Abundisporus is a small genus of poroid fungi currently with seven recognized species.

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Abundisporus sclerosetosus

Abundisporus sclerosetosus is a species of bracket fungus in the family Polyporaceae that was described as new to science in 2000.

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Acarospora

Acarospora is a genus of lichenized fungi in the family Acarosporaceae.

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Acarospora schleicheri

Acarospora schleicheri, the soil paint lichen, is a bleached to bright yellow areolate to squamulose lichen that commonly grows to on soil (terricolous) in arid habitats of southern California and Baja California, also in Europe and Africa.

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Acca sellowiana

Acca sellowiana, a species of flowering plant in the myrtle family, Myrtaceae, is native to the highlands of southern Brazil, eastern Paraguay, Uruguay, northern Argentina, and Colombia.

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Afroboletus

Afroboletus is a genus of fungi in the family Boletaceae.

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Agama agama

The common agama, red-headed rock agama, or rainbow agama (Agama agama) is a species of lizard from the Agamidae family found in most of sub-Saharan Africa.

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Agaricus bresadolanus

Agaricus bresadolanus is a species of fungus in the genus Agaricus.

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Agaricus hondensis

Agaricus hondensis, commonly known as the felt-ringed agaricus, is a species of fungus in the family Agaricaceae.

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Agaricus perobscurus

Agaricus perobscurus, commonly known as the "princess", is a moderate-sized mushroom.

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Agaricus santacatalinensis

Agaricus santacatalinensis is a species of agaric fungus.

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Agaricus taeniatus

Agaricus taeniatus is a species of agaric fungus.

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Aggregate (composite)

Aggregate is the component of a composite material that resists compressive stress and provides bulk to the composite material.

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Albatrellus

Albatrellus is a genus of 19 species of mushroom-producing fungi in the family Albatrellaceae.

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Alexander Macfarlane

Prof Alexander Macfarlane FRSE LLD (21 April 1851 – 28 August 1913) was a Scottish logician, physicist, and mathematician.

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Alexis Clairaut

Alexis Claude Clairaut (13 May 1713 – 17 May 1765) was a French mathematician, astronomer, and geophysicist.

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Allium rhizomatum

Allium rhizomatum is a species of plant native to southern Arizona (Cochise and Santa Cruz Counties), southern New Mexico (Catron, Grant, Hidalgo, Socorro, Sierra and Eddy Counties) and western Texas (Brewster and Jeff Davis Counties) in the United States, and Chihuahua in Mexico.

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Alpha Trianguli

Alpha Trianguli (α Trianguli, abbreviated Alpha Tri, α Tri), also named Mothallah, is a binary star in the constellation of Triangulum.

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Amalthea (moon)

Amalthea (Ἀμάλθεια) is the third moon of Jupiter in order of distance from the planet.

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Amanita basii

Amanita basii is a mushroom of the genus Amanita.

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Amanita flavella

Amanita flavella is a species of mycorrhizal fungus from family Amanitaceae that can be found in New South Wales and Queensland Australia. The species have a convex lemon-yellow coloured cap that is up to in diameter. They can also be yellowish-orange coloured and have crowded gills that are pale yellow in colour. The stipe is central and just like the cap is high and yellowish white in colour. It is slightly bulbous, and is enclosed into a volva. The ring is flared and white coloured. The ring is ample, membranous, and yellowish in colour. The spores are 8.5–10 µm long and 6–6.5 µm wide, and are white coloured, amyloid and ellipsoid. The species is similar in appearance to Amanita flavoconia and Amanita flavipes.

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Amanita flavorubens

Amanita flavorubens, also known as the Yellow American Blusher, is a species of the genus Amanita.

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Amanita smithiana

Amanita smithiana, also known as Smith's amanita, is a species of agaric found on soil in coniferous (Abies, Tsuga, Pseudotsuga) and broadleaved (Alnus, Quercus) woodland in the Pacific Northwest of North America.

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Amanita subvaginata

Amanita subvaginata, also known as Australian False Vaginata is a species of mycorrhizal fungus from Amanitaceae family that can be found in Sydney and New South Wales, Australia.

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Amanita umbrinolutea

Amanita umbrinolutea, also known as the umber-zoned ringless Amanita, is a species of the genus Amanita.

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Amanita virgineoides

Amanita virgineoides, known as the False Virgin's Lepidella, is a species of the genus Amanita.

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Amphirosellinia

Amphirosellinia is a genus of five species of fungi in the family Xylariaceae.

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Amylocorticiales

Amylocorticiales is an order of fungi in the class Agaricomycetes.

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Amylostereum

Amylostereum is the single genus in the fungal family Amylostereaceae.

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AN/FPS-17

The AN/FPS-17 was a ground-based fixed-beam radar system that was installed at three locations worldwide, including Pirinçlik Air Base (formerly Diyarbakir Air Station) in south-eastern Turkey, Laredo, Texas and Shemya Island, Alaska.

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Analytic geometry

In classical mathematics, analytic geometry, also known as coordinate geometry or Cartesian geometry, is the study of geometry using a coordinate system.

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Anders Celsius

Anders Celsius (27 November 170125 April 1744) was a Swedish astronomer, physicist and mathematician.

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Angular eccentricity

Angular eccentricity is one of many parameters which arise in the study of the ellipse or ellipsoid.

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Antella (fungus)

Antella is a genus of three species of crust fungi in the family Steccherinaceae.

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Antella niemelaei

Antella niemelaei is a species of poroid crust fungus in the family Steccherinaceae.

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Antrodia

Antrodia is a genus of fungi in the family Fomitopsidaceae.

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Antrodiella

Antrodiella is a genus of fungi in the family Steccherinaceae of the order Polyporales.

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Antrodiella lactea

Antrodiella lactea is a species of fungus in the family Steccherinaceae.

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Aphanoascus fulvescens

Aphanoascus fulvescens is a mould fungus that behaves as a keratinophilic saprotroph and belongs to the Ascomycota.

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Arrhenia eburnea

Arrhenia eburnea is a species of agaric fungus in the family Hygrophoraceae.

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Arrhenia epichysium

Arrhenia epichysium is a species of agaric fungus in the family Hygrophoraceae.

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Ascaridia

Ascaridia is the name of a genus of parasitic nematodes.

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Aschiza

The Aschiza are a section of the Brachycera.

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Ascosphaera callicarpa

Ascosphaera callicarpa is a fungus common on the larval feces of the solitary bee Chelostoma florisomne, which nests in the Phragmites reeds of thatched roofs in Europe. Pathogenic Ascosphaera species afflict only the larval stage of bees. Typically, diseased larvae die in the larval stage; in rare occurrences, however, larvae have been observed to enter pupation before being overcome by the fungus.

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Aseroe floriformis

Aseroe floriformis is a species of fungus in the stinkhorn family Phallaceae.

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Aspicilia

Aspicilia (sunken disk lichen) is a genus of mostly crustose areolate lichens that grow on rock.

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Atom

An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.

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Atomic de Broglie microscope

The atomic de Broglie microscope (also atomic nanoscope, neutral beam microscope, or scanning helium microscope when helium is used as the probing atom) is an imaging system which is expected to provide resolution at the nanometer scale.

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Atomic orbital

In quantum mechanics, an atomic orbital is a mathematical function that describes the wave-like behavior of either one electron or a pair of electrons in an atom.

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Atraporiella

Atraporiella is a monotypic fungal genus in the family Steccherinaceae.

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Augustin-Jean Fresnel

Augustin-Jean Fresnel (10 May 178814 July 1827) was a French civil engineer and physicist whose research in optics led to the almost unanimous acceptance of the wave theory of light, excluding any remnant of Newton's corpuscular theory, from the late 1830s until the end of the 19th century.

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Auriporia

Auriporia is a small genus of four species of poroid fungi in the family Fomitopsidaceae.

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Axes conventions

In ballistics and flight dynamics, axes conventions are standardized ways of establishing the location and orientation of coordinate axes for use as a frame of reference.

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Axis-aligned object

In geometry, an axis-aligned object (axis-parallel, axis-oriented) is an object in n-dimensional space whose shape is aligned with the coordinate axes of the space.

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Banalinga

Banalinga, a stone found in nature, in the bed of the Narmada river in Madhya Pradesh state, India, is an iconic symbol of worship, based on either the scriptures or cultural traditions among the Hindus, particularly of the Shaivaites and Smartha Brahmins.

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Bankera

Bankera is a genus of four species of tooth fungi in the family Bankeraceae.

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Banksiamyces

Banksiamyces is a genus of fungi in the order Helotiales, with a tentative placement in the family Helotiaceae.

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Barcheria

Barcheria is a fungal genus in the family Agaricaceae.

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Birefringence

Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light.

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Bocconi University

Bocconi University (Università Commerciale Luigi Bocconi) is a private university in Milan, Italy.

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Bocksbeutel

The Bocksbeutel is a type of wine bottle with the form of a flattened ellipsoid.

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Boidinella

Boidinella is a genus of fungi in the family Hydnodontaceae.

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Boletus amyloideus

Boletus amyloideus is a rare species of bolete fungus in the family Boletaceae.

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Bothia

Bothia is a fungal genus in the family Boletaceae.

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Bounding volume

In computer graphics and computational geometry, a bounding volume for a set of objects is a closed volume that completely contains the union of the objects in the set.

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Bra size

The bra size (also known as brassiere measurement or bust size) is the measure which indicates the size characteristics of a bra.

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Brown algae

The brown algae (singular: alga), comprising the class Phaeophyceae, are a large group of multicellular algae, including many seaweeds located in colder waters within the Northern Hemisphere.

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Bruceomyces

Bruceomyces is a fungal genus in the division Ascomycota, containing the single species Bruceomyces castoris.

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Buchwaldoboletus lignicola

Buchwaldoboletus lignicola is a species of bolete fungus in the family Boletaceae native to Europe and North America.

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Buglossoporus

Buglossoporus is a genus of fungi in the family Fomitopsidaceae.

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Butyriboletus appendiculatus

Butyriboletus appendiculatus is an edible pored mushroom that grows under oaks.

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Calvatia oblongispora

Calvatia oblongispora is a species of puffball from the genus Calvatia.

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Cantharellus zangii

Cantharellus zangii is a species of fungus in the family Cantharellaceae.

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Carex gholsonii

Carex gholsonii is a plant species native to Florida, Georgia, Alabama, North Carolina and South Carolina.

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Centroid

In mathematics and physics, the centroid or geometric center of a plane figure is the arithmetic mean position of all the points in the shape.

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Cericium

Cericium is a fungal genus in the family Cystostereaceae.

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Ceriporia albomellea

Ceriporia albomellea is a species of crust fungus in the family Irpicaceae.

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Ceriporia amazonica

Ceriporia amazonica is a species of crust fungus in the family Irpicaceae.

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Chasles' theorem (gravitation)

In gravitation, Chasles' theorem says that the Newtonian gravitational attraction of a spherical shell, outside of that shell, is equivalent mathematically to the attraction of a point mass.

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Circular section

In geometry a circular section is a circle on a quadric surface (such as an ellipsoid or hyperboloid).

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Clairaut's theorem

Clairaut's theorem is a general mathematical law giving the surface gravity on a viscous rotating ellipsoid in equilibrium under the action of its gravitational field and centrifugal force.

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Climacodon sanguineus

Climacodon sanguineus is a rare species of tooth fungus in the family Meruliaceae that is found in Africa.

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Clitocybula

Clitocybula is a genus of mushroom-forming fungi in the family Marasmiaceae.

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Color difference

The difference or distance between two colors is a metric of interest in color science.

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Concrete shell

A concrete shell, also commonly called thin shell concrete structure, is a structure composed of a relatively thin shell of concrete, usually with no interior columns or exterior buttresses.

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Confidence region

In statistics, a confidence region is a multi-dimensional generalization of a confidence interval.

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Confocal conic sections

In geometry, two conic sections are called confocal, if they have the same foci.

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Conformal map projection

In cartography, a conformal map projection is one in which any angle on Earth (a sphere or an ellipsoid) is preserved in the image of the projection, i.e. the projection is a conformal map in the mathematical sense.

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Conocybe tenera

Conocybe tenera is a widely distributed member of the genus Conocybe.

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Coprobolus

Coprobolus is a fungal genus in the family Thelebolaceae.

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Cornus clarnensis

Cornus clarnensis is an extinct species of flowering plant in the dogwood family, Cornaceae, solely known from the middle Eocene sediments exposed in north central Oregon.

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Cortinarius badiolaevis

Cortinarius badiolaevis is a fungus in the family Cortinariaceae.

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Corynopuntia

Corynopuntia, also known as club chollas (or "perritos" in Mexico), is a genus in the family Cactaceae, established by Knuth in 1935.

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Costus curvibracteatus

Costus curvibracteatus is a tropical rhizomatous perennial native to Costa Rica and Panama.

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Courant minimax principle

In mathematics, the Courant minimax principle gives the eigenvalues of a real symmetric matrix.

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Cripps Pink

Cripps Pink is a cultivar of apple.

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Cross section (geometry)

In geometry and science, a cross section is the non-empty intersection of a solid body in three-dimensional space with a plane, or the analog in higher-dimensional spaces.

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Crustomyces subabruptus

Crustomyces subabruptus is a species of toothed crust fungus in the family Cystostereaceae.

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Cyptotrama asprata

Cyptotrama asprata (alternatively spelled aspratum), commonly known as the golden-scruffy collybia, is a saprobic species of mushroom in the family Physalacriaceae.

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Dacryodes edulis

Dacryodes edulis or safou is a fruit tree native to Africa, sometimes called Atanga (Gabon), Ube (Nigeria), African or bush pear or plum, Nsafu, bush butter tree, or butterfruit.

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Deconica semiinconspicua

Deconica semiinconspicua is a mushroom native to the state of Washington in the United States.

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Definition of planet

The definition of planet, since the word was coined by the ancient Greeks, has included within its scope a wide range of celestial bodies.

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Demagnetizing field

The demagnetizing field, also called the stray field (outside the magnet), is the magnetic field (H-field) generated by the magnetization in a magnet.

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Dentocorticium

Dentocorticium is a genus of six species of poroid fungi in the family Polyporaceae.

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Dentocorticium hyphopaxillosum

Dentocorticium hyphopaxillosum is a species of crust fungus in the family Polyporaceae.

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DEPTHX

The Deep Phreatic Thermal Explorer (DEPTHX) is an autonomous underwater vehicle designed and built by Stone Aerospace, an aerospace engineering firm based in Austin, Texas.

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Design 1047 battlecruiser

Design 1047, also known as Project 1047,Noot (1980), p. 257 was a series of plans for a class of Dutch battlecruisers prior to the Second World War.

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Desulfobulbus propionicus

Desulfobulbus propionicus is a Gram-negative, anaerobic chemoorganotroph.

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Dextrinoporus

Dextrinoporus is a fungal genus in the family Polyporaceae.

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Dhyanalinga

The Dhyanalinga is a Yogic temple located from Coimbatore, Tamil Nadu.

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Diacanthodes

Diacanthodes is a genus of three species of poroid fungi in the family Meruliaceae.

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Dichomitus hubeiensis

Dichomitus hubeiensis is a crust fungus that was described as a new species in 2013.

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Dielectrophoresis

Dielectrophoresis (DEP) is a phenomenon in which a force is exerted on a dielectric particle when it is subjected to a non-uniform electric field.

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Diffusion MRI

Diffusion-weighted magnetic resonance imaging (DWI or DW-MRI) is the use of specific MRI sequences as well as software that generates images from the resulting data, that uses the diffusion of water molecules to generate contrast in MR images.

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Diodella teres

Diodella teres is a species of flowering plant in the coffee family known by the common names poorjoe and rough buttonweed.

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Dirichlet's ellipsoidal problem

In astrophysics, Dirichlet's ellipsoidal problem addresses the question under what conditions one can have an ellipsoidal configuration at all times of a homogeneous rotating fluid mass and in which the motion, in an inertial frame is a linear function of the coordinates, named after Peter Gustav Lejeune Dirichlet.

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Discriminant

In algebra, the discriminant of a polynomial is a polynomial function of its coefficients, which allows deducing some properties of the roots without computing them.

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Distance of closest approach of ellipses and ellipsoids

The distance of closest approach of two objects is the distance between their centers when they are externally tangent.

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Divine Mercy Sanctuary, Kraków

The Divine Mercy Sanctuary in Kraków, Poland is a Roman Catholic basilica dedicated to the Divine Mercy devotion, as the resting place of Saint Faustina Kowalska, canonized on April 30, 2000.

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Dome (geology)

A dome is a feature in structural geology consisting of symmetrical anticlines that intersect each other at their respective apices.

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DOT-111 tank car

In rail transport, the U.S. DOT-111 tank car, also known as the TC-111 in Canada, is a type of unpressurized general service tank car in common use in North America.

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Dusa McDuff

Dusa McDuff FRS CorrFRSE (born 18 October 1945) is an English mathematician who works on symplectic geometry.

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Dvoretzky's theorem

In mathematics, Dvoretzky's theorem is an important structural theorem about normed vector spaces proved by Aryeh Dvoretzky in the early 1960s, answering a question of Alexander Grothendieck.

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Dwarf planet

A dwarf planet is a planetary-mass object that is neither a planet nor a natural satellite.

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Earth ellipsoid

An Earth ellipsoid is a mathematical figure approximating the Earth's form, used as a reference frame for computations in geodesy, astronomy, and the geosciences.

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Earth radius

Earth radius is the approximate distance from Earth's center to its surface, about.

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Echinochaete

Echinochaete is a genus of fungi in the family Polyporaceae.

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Ecstatica

Ečstatica is an action-adventure game for MS-DOS developed by Andrew Spencer Studios and released by Psygnosis in 1994.

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Ecstatica II

Ecstatica II is an action-adventure game that was released for the PC by Psygnosis in 1997.

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Ecuador

Ecuador (Ikwadur), officially the Republic of Ecuador (República del Ecuador, which literally translates as "Republic of the Equator"; Ikwadur Ripuwlika), is a representative democratic republic in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean to the west.

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Effective mass (solid-state physics)

In solid state physics, a particle's effective mass (often denoted) is the mass that it seems to have when responding to forces, or the mass that it seems to have when interacting with other identical particles in a thermal distribution.

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Ellipse

In mathematics, an ellipse is a curve in a plane surrounding two focal points such that the sum of the distances to the two focal points is constant for every point on the curve.

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Ellipsoid Hill

Ellipsoid Hill is a rounded, partly ice-covered summit, high, to the north of Blue Glacier, between Geoid Glacier and Spheroid Hill, in Victoria Land, Antarctica.

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Ellipsoid method

In mathematical optimization, the ellipsoid method is an iterative method for minimizing convex functions.

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Ellipsoidal coordinates

Ellipsoidal coordinates are a three-dimensional orthogonal coordinate system (\lambda, \mu, \nu) that generalizes the two-dimensional elliptic coordinate system.

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Ellipsoidal reflector spotlight

Ellipsoidal reflector light (abbreviated to ERS, or colloquially ellipsoidal or ellipse) is the name for a type of stage lighting instrument, named for the ellipsoidal reflector used to collect and direct the light through a barrel that contains a lens or lens train.

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Elliptical distribution

In probability and statistics, an elliptical distribution is any member of a broad family of probability distributions that generalize the multivariate normal distribution.

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Elliptical galaxy

An elliptical galaxy is a type of galaxy having an approximately ellipsoidal shape and a smooth, nearly featureless image.

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Enceladus

Enceladus is the sixth-largest moon of Saturn.

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Ernest Lawrence

Ernest Orlando Lawrence (August 8, 1901 – August 27, 1958) was a pioneering American nuclear scientist and winner of the Nobel Prize in Physics in 1939 for his invention of the cyclotron.

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Escovopsis aspergilloides

Escovopsis aspergilloides is a species of fungus that was rediscovered in 1995 by mycologists Keith A. Seifert, Robert A. Samson and Ignacio Chapela.

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Eshelby's inclusion

In continuum mechanics, the term Eshelby's inclusion or Eshelby's inclusion problems refers to a set of problems involving ellipsoidal elastic inclusions in an infinite elastic body.

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Exophiala hongkongensis

Exophiala hongkongensis is an ascomycete fungus species.

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Exoplanetology

Exoplanetology, or exoplanetary science, is an integrated field of astronomical science dedicated to the search and study of exoplanets (extrasolar planets).

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Exploration of Neptune

The exploration of Neptune has only begun with one spacecraft, Voyager 2 in 1989.

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Explorer 52

Explorer 52 was an American satellite launched on June 3, 1974 from Vandenberg Air Force Base on a Scout booster.

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Exserohilum

Exserohilum is a genus of fungi in the family Pleosporaceae.

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Exterior algebra

In mathematics, the exterior product or wedge product of vectors is an algebraic construction used in geometry to study areas, volumes, and their higher-dimensional analogs.

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Extraterrestrial atmosphere

The study of extraterrestrial atmospheres is an active field of research, both as an aspect of astronomy and to gain insight into Earth's atmosphere.

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Feodosy Krasovsky

Feodosy Nikolaevich Krasovsky (Феодосий Николаевич Красовский) (– October 1, 1948) was a Russian and later Soviet astronomer and geodesist.

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Fibroporia

Fibroporia is a genus of ten species of poroid crust fungi in the family Fomitopsidaceae.

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Fibroporia bohemica

Fibroporia bohemica is a species of poroid crust fungus in the family Fomitopsidaceae.

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Figure of the Earth

The figure of the Earth is the size and shape of the Earth in geodesy.

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Fistulinella nivea

Fistulinella nivea is a bolete fungus in the family Boletaceae found in New Zealand.

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Flattening

Flattening is a measure of the compression of a circle or sphere along a diameter to form an ellipse or an ellipsoid of revolution (spheroid) respectively.

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Floccularia albolanaripes

Floccularia albolanaripes is a species of fungus in the family Agaricaceae.

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Focaloid

In geometry, a focaloid is a shell bounded by two concentric, confocal ellipses (in 2D) or ellipsoids (in 3D).

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Fomitopsis betulina

Fomitopsis betulina (previously Piptoporus betulinus), commonly known as the birch polypore, birch bracket, or razor strop, is a common bracket fungus and, as the name suggests, grows almost exclusively on birch trees.

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Fomitopsis subfeei

Fomitopsis subfeei is a species of polypore fungus in the family Fomitopsidaceae.

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Fresnel zone

A Fresnel zone, named for physicist Augustin-Jean Fresnel, is one of a series of concentric prolate ellipsoidal regions of space between and around a transmitting antenna and a receiving antenna system.

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Fullerene

A fullerene is a molecule of carbon in the form of a hollow sphere, ellipsoid, tube, and many other shapes.

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Function of several real variables

In mathematical analysis, and applications in geometry, applied mathematics, engineering, natural sciences, and economics, a function of several real variables or real multivariate function is a function with more than one argument, with all arguments being real variables.

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Fundamental station

A fundamental point (in German Fundamentalpunkt) is the geometric origin of a geodetic network and defines the geodetic datum of a national survey.

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Galaxy

A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.

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Generalization

A generalization (or generalisation) is the formulation of general concepts from specific instances by abstracting common properties.

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Geodesics on an ellipsoid

The study of geodesics on an ellipsoid arose in connection with geodesy specifically with the solution of triangulation networks.

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Geodetic datum

A geodetic datum or geodetic system is a coordinate system, and a set of reference points, used to locate places on the Earth (or similar objects).

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Geographic coordinate system

A geographic coordinate system is a coordinate system used in geography that enables every location on Earth to be specified by a set of numbers, letters or symbols.

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Geology of the Moon

The geology of the Moon (sometimes called selenology, although the latter term can refer more generally to "lunar science") is quite different from that of Earth.

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Geometric algebra

The geometric algebra (GA) of a vector space is an algebra over a field, noted for its multiplication operation called the geometric product on a space of elements called multivectors, which is a superset of both the scalars F and the vector space V. Mathematically, a geometric algebra may be defined as the Clifford algebra of a vector space with a quadratic form.

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Geometric shape

A geometric shape is the geometric information which remains when location, scale, orientation and reflection are removed from the description of a geometric object.

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GeoTIFF

GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF file.

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Giacinto Morera

Giacinto Morera (18 July 1856 – 8 February 1909), was an Italian engineer and mathematician.

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Glossary of botanical terms

This glossary of botanical terms is a list of terms relevant to botany and plants in general.

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Glossary of geography terms

This glossary of geography terms is a list of definitions of words and phrases used in geography and related fields, which describe and identify natural phenomena, geographical locations, spatial dimension and natural resources.

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Glutinoglossum glutinosum

Glutinoglossum glutinosum, commonly known as the viscid black earth tongue or the glutinous earthtongue, is a species of fungus in the family Geoglossaceae (the earth tongues).

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Gnuplot

gnuplot is a command-line program that can generate two- and three-dimensional plots of functions, data, and data fits.

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Goode Solar Telescope

The Goode Solar Telescope (GST) is a scientific facility for studies of the Sun named after Philip R. Goode.

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Grammothele bambusicola

Grammothele bambusicola is a poroid crust fungus in the family Polyporaceae that is found in Asia.

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Gregorian telescope

The Gregorian telescope is a type of reflecting telescope designed by Scottish mathematician and astronomer James Gregory in the 17th century, and first built in 1673 by Robert Hooke.

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Gretchen Albrecht

Gretchen Albrecht (born 7 May 1943) is a New Zealand painter and sculptor.

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Gymnopilus communis

Gymnopilus communis is a species of agaric fungus in the family Strophariaceae.

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Gymnopilus maritimus

Gymnopilus maritimus is a fungus species of the family Cortinariaceae first collected in northern Sardinia, Italy, in 2006.

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Gyromitra infula

Gyromitra infula, commonly known as the hooded false morel or the elfin saddle, is a fungus in the family Helvellaceae.

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Hans Wolter

Hans Wolter (11 May 1911 – 17 August 1978) was a German physicist who designed an aplanatic system of grazing incidence mirrors that satisfied the Abbe sine condition (i.e. free of both spherical aberration and coma).

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Hapalopilus africanus

Hapalopilus africanus is a species of polypore fungus.

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Haploporus (fungus)

Haploporus is a genus of poroid fungi in the family Polyporaceae.

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Haploporus thindii

Haploporus thindii is a species of poroid crust fungus in the family Polyporaceae.

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Haumea

Haumea, minor-planet designation 136108 Haumea, is a dwarf planet located beyond Neptune's orbit.

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HD 209458 b

HD 209458 b, also given the nickname Osiris,http://exoplanets.co/exoplanets-tutorial/extrasolar-planet-hd-209458-b.html is an exoplanet that orbits the solar analog HD 209458 in the constellation Pegasus, some 159 light-years from the Solar System.

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Helvella corium

Helvella corium is a species of fungus in the family Helvellaceae (order Pezizales).

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Heterobasidion occidentale

Heterobasidion occidentale is a tree root-rotting pathogenic fungus in the family Bondarzewiaceae.

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Hirticlavula

Hirticlavula is a fungal genus in the family Clavariaceae.

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History of early modern period domes

The construction of domes in the sixteenth and seventeenth centuries relied primarily on empirical techniques and oral traditions rather than the architectural treatises of the times, which avoided practical details.

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History of geodesy

Geodesy (/dʒiːˈɒdɨsi/), also named geodetics, is the scientific discipline that deals with the measurement and representation of the Earth.

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History of metamaterials

The history of metamaterials begins with artificial dielectrics in microwave engineering as it developed just after World War II.

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Homoeoid

A homoeoid is a shell (a bounded region) bounded by two concentric, similar ellipses (in 2D) or ellipsoids (in 3D).

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Hot dry rock geothermal energy

Hot dry rock (HDR) is an abundant source of geothermal energy available to mankind.

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Hydnellum ferrugineum

Hydnellum ferrugineum, commonly known as the mealy tooth or the reddish-brown corky spine fungus, is a species of tooth fungus in the family Bankeraceae.

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Hydnophlebia

Hydnophlebia is a genus of five species of toothed crust fungi in the family Meruliaceae.

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Hydnum ellipsosporum

Hydnum ellipsosporum is a species of fungus in the family Hydnaceae that was described from Germany in 2004.

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Hydnum repandum

Hydnum repandum, commonly known as the sweet tooth, wood hedgehog or hedgehog mushroom, is a basidiomycete fungus of the family Hydnaceae.

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Hydrostatic equilibrium

In fluid mechanics, a fluid is said to be in hydrostatic equilibrium or hydrostatic balance when it is at rest, or when the flow velocity at each point is constant over time.

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Hygrocybe appalachianensis

Hygrocybe appalachianensis, commonly known as the Appalachian waxy cap, is a gilled fungus of the waxcap family.

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Hygrophoropsis rufa

Hygrophoropsis rufa is a species of fungus in the family Hygrophoropsidaceae.

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Hygrophorus subalpinus

Hygrophorus subalpinus, commonly known as the subalpine waxycap, is a species of fungus in the family Hygrophoraceae.

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Hyperboloid

In geometry, a hyperboloid of revolution, sometimes called circular hyperboloid, is a surface that may be generated by rotating a hyperbola around one of its principal axes.

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Hypercone

In geometry, a hypercone (or spherical cone) is the figure in the 4-dimensional Euclidean space represented by the equation It is a quadric surface, and is one of the possible 3-manifolds which are 4-dimensional equivalents of the conical surface in 3 dimensions.

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Hypericum perforatum

Hypericum perforatum, known as perforate St John's-wort, common Saint John's wort and St John's wort, is a flowering plant in the family Hypericaceae.

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Hysteriaceae

The Hysteriaceae (also known as Dothideomycetes, Ascomycotina, Eumycota) are a taxonomic family of fungi and the only extant family belonging to the order Hysteriales.

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Ianbruceite

Ianbruceite is a rare hydrated zinc arsenate with the formula (H2O)2; material from the Driggith mine has traces of cobalt.

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Iapetus (moon)

Iapetus (Ιαπετός), or occasionally Japetus, is the third-largest natural satellite of Saturn, eleventh-largest in the Solar System, and the largest body in the Solar System known not to be in hydrostatic equilibrium.

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Index ellipsoid

In optics, an index ellipsoid is a diagram of an ellipsoid that depicts the orientation and relative magnitude of refractive indices in a crystal.

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Index of motion picture-related articles

Articles related to the field of motion pictures include.

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Info-gap decision theory

Info-gap decision theory is a non-probabilistic decision theory that seeks to optimize robustness to failure – or opportuneness for windfall – under severe uncertainty,Yakov Ben-Haim, Information-Gap Theory: Decisions Under Severe Uncertainty, Academic Press, London, 2001.

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Inkayacu

Inkayacu is a genus of extinct penguins.

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Inocutis

Inocutis is a genus of nine species of polypore fungi in the family Hymenochaetaceae.

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Inocybe aeruginascens

Inocybe aeruginascens is a member of the genus ''Inocybe'' which is widely distributed in Europe.

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Inocybe tricolor

Inocybe tricolor is a rare member of the genus ''Inocybe'' that is widely distributed in temperate forests.

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Intrinsic viscosity

Intrinsic viscosity \left is a measure of a solute's contribution to the viscosity \eta of a solution.

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Io (moon)

Io (Jupiter I) is the innermost of the four Galilean moons of the planet Jupiter.

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Ionic radius

Ionic radius, rion, is the radius of an atom's ion in ionic crystals structure.

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Jacobi ellipsoid

A Jacobi ellipsoid is a triaxial (i.e. scalene) ellipsoid under equilibrium which arises when a self-gravitating fluid body of uniform density rotates with a constant angular velocity.

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James Short (mathematician)

James Short FRS (10 June O.S. (21 June N.S.) 1710 – 14 June 1768) was a Scottish mathematician and manufacturer of optical instruments, principally telescopes.

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Jetavanaramaya

The Jetavanaramaya (world's tallest stupa) is a stupa located in the ruins of Jetavana in the sacred world heritage city of Anuradhapura, Sri Lanka.

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John ellipsoid

In mathematics, the John ellipsoid or Löwner-John ellipsoid E(K) associated to a convex body K in n-dimensional Euclidean space Rn is the ellipsoid of maximal n-dimensional volume contained within K. The John ellipsoid is named after the German mathematician Fritz John.

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Junghuhnia africana

Junghuhnia africana is a species of crust fungus in the family Steccherinaceae.

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Junghuhnia glabricystidia

Junghuhnia glabricystidia is a species of crust fungus in the family Steccherinaceae.

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Karlskirche

The Rektoratskirche St.

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Kentmere

Kentmere is a valley, village and civil parish in the Lake District National Park, a few miles from Kendal in the South Lakeland district of Cumbria, England.

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La Vieille Charité

La Vieille Charité is a former almshouse, now functioning as a museum and cultural centre, situated in the heart of the old Panier quarter of Marseille in the south of France.

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Lactarius fennoscandicus

Lactarius vitellinus is a member of the large milk-cap genus Lactarius in the order Russulales.

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Lactarius fuliginosus

Lactarius fuliginosus, commonly known as the sooty milkcap, is a species of fungus in the family Russulaceae.

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Lactarius porninsis

Lactarius porninsis, commonly known as the larch milkcap, is a member of the large milk-cap genus Lactarius in the order Russulales.

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Lactarius pseudomucidus

Lactarius pseudomucidus is a fungus native to the northwestern part of North America.

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Lactarius sanguifluus

Lactarius sanguifluus, commonly known as the bloody milk cap, is a species of fungus in the family Russulaceae.

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Lactarius scoticus

Lactarius scoticus is a member of the large milk-cap genus Lactarius in the order Russulales.

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Lactarius subdulcis

Lactarius subdulcis, commonly known as the mild milkcap or beech milk cap, is an edible mushroom in the genus Lactarius.

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Lactarius subflammeus

Lactarius subflammeus, commonly known as the orange milk cap, is a species of fungus in the Russulaceae family.

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Lactarius torminosulus

Lactarius torminosulus is a member of the large milk-cap genus Lactarius, in the order Russulales.

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Lada Niva

The Lada 4x4, formerly called the Lada Niva (Лада Нива; Niva (нива) is the Russian word for "field"), is an off-road vehicle designed and produced by the Russian (former Soviet) manufacturer AvtoVAZ specifically for the rural market.

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Laetiporus ailaoshanensis

Laetiporus ailaoshanensis is a species of polypore fungus in the family Fomitopsidaceae.

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Laetiporus cremeiporus

Laetiporus cremeiporus is a species of polypore fungus in the family Fomitopsidaceae.

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Laetiporus zonatus

Laetiporus zonatus is a species of polypore fungus in the family Fomitopsidaceae.

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Lamé's stress ellipsoid

Lamé's stress ellipsoid is an alternative to Mohr's circle for the graphical representation of the stress state at a point.

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Langer's lines

Langer's lines, Langer lines of skin tension, or sometimes called cleavage lines, are topological lines drawn on a map of the human body.

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Large margin nearest neighbor

Large margin nearest neighbor (LMNN) classification is a statistical machine learning algorithm for metric learning.

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Last geometric statement of Jacobi

In differential geometry and algebraic geometry, the last geometric statement of Jacobi is a conjecture named after Carl Gustav Jacob Jacobi.

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Latitude

In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface.

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Lazar Lyusternik

Lazar Aronovich Lyusternik (also Lusternik, Lusternick, Ljusternik; Ла́зарь Аро́нович Люсте́рник; 31 December 1899, Zduńska Wola, Congress Poland, Russian Empire (present-day Republic of Poland) – 23 July 1981, Moscow, Russia, Soviet Union) was a Soviet mathematician.

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Left atrial enlargement

Left atrial enlargement (LAE) or left atrial dilation refers to enlargement of the left atrium (LA) of the heart, and is a form of cardiomegaly.

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Leifiporia

Leifiporia is a genus of two species of poroid white rot crust fungi in the family Polyporaceae.

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Lemon

The lemon, Citrus limon (L.) Osbeck, is a species of small evergreen tree in the flowering plant family Rutaceae, native to Asia.

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Lens (anatomy)

The lens is a transparent, biconvex structure in the eye that, along with the cornea, helps to refract light to be focused on the retina.

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Leucospermum oleifolium

Leucospermum oleifolium is an erect shrub of about high and 1½ m (5 ft) across that is assigned to the Proteaceae family.

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Light echo

Reflected light following path B arrives shortly after the direct flash following path A but before light following path C. B and C have the same apparent distance from the star as seen from Earth. A light echo is a physical phenomenon caused by light reflected off surfaces distant from the source, and arriving at the observer with a delay relative to this distance.

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Lignosus

Lignosus is a genus of polypore fungi in the family Polyporaceae.

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Liliaceae

The lily family, Liliaceae, consists of fifteen genera and about 705 known species (Christenhusz & Byng 2016) of flowering plants within the order Liliales.

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List of complex and algebraic surfaces

This is a list of named algebraic surfaces, compact complex surfaces, and families thereof, sorted according to the Enriques–Kodaira classification.

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List of geometry topics

This is a list of geometry topics, by Wikipedia page.

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List of gravitationally rounded objects of the Solar System

This is a list of gravitationally rounded objects of the Solar System, which are objects that have a rounded, ellipsoidal shape due to the forces of their own gravity (hydrostatic equilibrium).

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List of mathematical shapes

Following is a list of some mathematically well-defined shapes.

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List of moments of inertia

In physics and applied mathematics, the mass moment of inertia, usually denoted by, measures the extent to which an object resists rotational acceleration about a particular axis, and is the rotational analogue to mass.

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List of possible dwarf planets

It is estimated that there may be 200 dwarf planets in the Kuiper belt of the outer Solar System and possibly more than 10,000 in the region beyond.

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List of Solar System objects by size

This is a partial list of Solar System objects by size, arranged in descending order of mean volumetric radius, and subdivided into several size classes.

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List of surfaces

This is a list of surfaces, by Wikipedia page.

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Longitude

Longitude, is a geographic coordinate that specifies the east-west position of a point on the Earth's surface.

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Loweomyces fractipes

Loweomyces fractipes is a species of poroid fungus in the family Steccherinaceae, and the type species of the genus Loweomyces.

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LP-type problem

In the study of algorithms, an LP-type problem (also called a generalized linear program) is an optimization problem that shares certain properties with low-dimensional linear programs and that may be solved by similar algorithms.

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Luteoporia

Luteoporia is a fungal genus in the family Meruliaceae.

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Luzula nivalis

Luzula nivalis, commonly known as arctic wood-rush or less commonly as snowy wood-rush (both names are used with or without hyphenation), is a species of perennial rushes endemic to Canada, Greenland, Alaska, and Northern Europe in Scandinavia.

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Lycium barbarum

Lycium barbarum is a tree native from southeastern Europe and Asia.

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Lysiana exocarpi

Lysiana exocarpi, commonly known as harlequin mistletoe, is a species of hemiparasitic shrub, endemic to Australia.

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Maclaurin spheroid

A Maclaurin spheroid is an oblate spheroid which arises when a self-gravitating fluid body of uniform density rotates with a constant angular velocity.

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Macrolepiota clelandii

Macrolepiota clelandii, commonly known as the slender parasol or graceful parasol, is a species of mushroom-forming fungus in the family Lepiotaceae.

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Macrolepiota excoriata

Macrolepiota excoriata is a mushroom in the family Agaricaceae.

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Mahler volume

In convex geometry, the Mahler volume of a centrally symmetric convex body is a dimensionless quantity that is associated with the body and is invariant under linear transformations.

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Mahonia fremontii

Mahonia fremontii (syn. Berberis fremontii) is a species of barberry known by the common name Frémont's mahonia (after John C. Frémont).

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Makemake

Makemake (minor-planet designation 136472 Makemake) is a dwarf planet and perhaps the largest Kuiper belt object in the classical population, with a diameter approximately two thirds that of Pluto.

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Map projection

A map projection is a systematic transformation of the latitudes and longitudes of locations from the surface of a sphere or an ellipsoid into locations on a plane.

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Marasmius funalis

Marasmius funalis is a species of Marasmiaceae fungus known only from Japan.

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Mars

Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.

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Megasporoporia minuta

Megasporoporia minuta is a species of crust fungus in the family Polyporaceae.

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Mercator projection

The Mercator projection is a cylindrical map projection presented by the Flemish geographer and cartographer Gerardus Mercator in 1569.

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Messier 87

Messier 87 (also known as Virgo A or NGC 4486, generally abbreviated to M87) is a supergiant elliptical galaxy in the constellation Virgo.

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Messier 89

Messier 89 (M89 for short, also known as NGC 4552) is an elliptical galaxy in the constellation Virgo.

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Metuloidea

Metuloidea is a genus of five species of fungi in the family Steccherinaceae.

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Microplane model for constitutive laws of materials

The microplane model, conceived in 1984, is a material constitutive model for progressive softening damage.

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Microporellus adextrinoideus

Microporellus adextrinoideus is a species of poroid fungus in the family Polyporaceae that was described as a new species in 2007.

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Microporellus iguazuensis

Microporellus iguazuensis is a species of poroid fungus in the family Polyporaceae.

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Micropsalliota

Micropsalliota is a genus of small agaric fungi in the family Agaricaceae.

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Microsporum gypseum

Microsporum gypseum is a soil-associated dermatophyte that occasionally is known to infect the upper dead layers of the skin of mammals.

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Mind (The Culture)

In Iain M. Banks' Culture series, most larger starships, some inhabited planets and all orbitals have their own Minds: sapient, hyperintelligent machines originally built by biological species, which have evolved, redesigned themselves, and become many times more intelligent than their original creators.

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Minor planet

A minor planet is an astronomical object in direct orbit around the Sun (or more broadly, any star with a planetary system) that is neither a planet nor exclusively classified as a comet.

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Moment of inertia

The moment of inertia, otherwise known as the angular mass or rotational inertia, of a rigid body is a tensor that determines the torque needed for a desired angular acceleration about a rotational axis; similar to how mass determines the force needed for a desired acceleration.

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Monolithic dome

A monolithic dome (from Greek mono- and -lithic, meaning "one stone") is a structure cast in a one-piece form.

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Moons of Saturn

The moons of Saturn are numerous and diverse, ranging from tiny moonlets less than 1 kilometer across to the enormous Titan, which is larger than the planet Mercury.

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Morchella anatolica

Morchella anatolica is a species of ascomycete fungus in the family Morchellaceae that was described as new to science in 2010.

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Morchella deqinensis

Morchella deqinensis is a species of fungus in the familyMorchellaceae found in China.

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Morchella meiliensis

Morchella meiliensis is a species of fungus in the Morchellaceae family native to China.

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Morphology-dependent resonance

Resonances found in certain types of optical cavity that are cylindrical, spherical, and ellipsoidal in shape.

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Mucor circinelloides

Mucor circinelloides is a dimorphic fungus belonging to the Order Mucorales (Division Mucormycota).

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Multivariate normal distribution

In probability theory and statistics, the multivariate normal distribution or multivariate Gaussian distribution is a generalization of the one-dimensional (univariate) normal distribution to higher dimensions.

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Multivector

A multivector is the result of a product defined for elements in a vector space V. A vector space with a linear product operation between elements of the space is called an algebra; examples are matrix algebra and vector algebra.

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Mycena californiensis

Mycena californiensis is a species of fungus in the Mycenaceae family.

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Mycena interrupta

Mycena interrupta, commonly known as the pixie's parasol, is a species of mushroom.

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Mycena intersecta

Mycena intersecta is a species of mushroom in the Mycenaceae family.

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Mycena nargan

Mycena nargan, commonly known as the Nargan's bonnet, is a species of fungus in the Mycenaceae family, and the sole member of the section Nargan in the genus Mycena.

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Mycena purpureofusca

Mycena purpureofusca, commonly known as the purple edge bonnet, is a species of agaric fungus in the family Mycenaceae.

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Mycena semivestipes

Mycena semivestipes is a species of agaric fungus in the family Mycenaceae.

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Mycena stylobates

Mycena stylobates, commonly known as the bulbous bonnet, is a species of inedible mushroom in the family Mycenaceae.

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Mycoacia rubiginosa

Mycoacia rubiginosa is a species of toothed crust fungus in the family Meruliaceae.

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Mycorrhaphium citrinum

Mycorrhaphium citrinum is a species of tooth fungus in the family Steccherinaceae that is found in Africa.

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Myriothele

Myriothele is a fungal genus in the family Polyporaceae.

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Mythicomyces

Mythicomyces is a fungal genus in the family Psathyrellaceae.

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N-vector

The n-vector representation is a three-parameter non-singular representation well-suited for replacing latitude and longitude as horizontal position representation in mathematical calculations and computer algorithms.

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Narcissus (plant)

Narcissus is a genus of predominantly spring perennial plants of the Amaryllidaceae (amaryllis) family.

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National Centre for the Performing Arts (China)

The National Centre for the Performing Arts (NCPA) (literally: National Grand Theatre), and colloquially described as The Giant Egg (巨蛋), is an arts centre containing an opera house in Beijing, People's Republic of China.

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Natural satellite

A natural satellite or moon is, in the most common usage, an astronomical body that orbits a planet or minor planet (or sometimes another small Solar System body).

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Nidula shingbaensis

Nidula shingbaensis is a rare species of bird's nest fungus in the family Agaricaceae.

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Niemelaea

Niemelaea is a genus of poroid crust fungi in the family Meruliaceae.

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Nigroporus

Nigroporus is a genus of poroid fungi in the family Steccherinaceae.

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Nigroporus vinosus

Nigroporus vinosus is a species of poroid fungus in the family Steccherinaceae, and the type species of the genus Nigroporus.

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Normal distribution

In probability theory, the normal (or Gaussian or Gauss or Laplace–Gauss) distribution is a very common continuous probability distribution.

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Normal height

Normal heights are heights above sea level, one of several types of height which are all computed slightly differently.

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Oligoporus

Oligoporus is a genus of fungi in the family Polyporaceae.

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Orders of magnitude (length)

The following are examples of orders of magnitude for different lengths.

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Ossicaulis

Ossicaulis is a genus of two species of mushroom-forming fungi in the family Lyophyllaceae.

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Oval

An oval (from Latin ovum, "egg") is a closed curve in a plane which "loosely" resembles the outline of an egg.

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Oxyporus

Oxyporus is a genus of polypore fungi in the family Schizoporaceae.

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Pachykytospora

Pachykytospora is a small genus of poroid fungi in the family Polyporaceae.

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Paecilomyces variotii

Paecilomyces variotii is a common environmental mold that is widespread in composts, soils and food products.

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Paeonia clusii

Paeonia clusii is a relatively low (25–50 cm) species of herbaceous peony with scented, white or pink flowers of up to 12 cm in diameter.

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Panaeolus antillarum

Panaeolus antillarum is a common and widely distributed small to medium-sized gray mushroom which grows on dung.

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Panaeolus tropicalis

Panaeolus tropicalis is a potent species of psilocybin mushroom.

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Pandanus tectorius

Pandanus tectorius is a species of Pandanus (screwpine) that is native to Malesia, eastern Australia, and the Pacific Islands.

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Parabolic antenna

A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves.

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Paraboloid

In geometry, a paraboloid is a quadric surface that has (exactly) one axis of symmetry and no center of symmetry.

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Penicillium psychrosexualis

Penicillium psychrosexualis is a filamentous fungus of the genus Penicillium.

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Perenniporia nanlingensis

Perenniporia nanlingensis is a poroid fungus first isolated from Guangdong Province, China.

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Perenniporia piceicola

Perenniporia piceicola is a species of poroid crust fungus that is found on fallen spruce in Yunnan province, China.

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Perrin friction factors

In hydrodynamics, the Perrin friction factors are multiplicative adjustments to the translational and rotational friction of a rigid spheroid, relative to the corresponding frictions in spheres of the same volume.

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Peziza fimeti

Peziza fimeti is a species of ascomycete fungus belonging to the family Pezizaceae. Found in Europe and North America, the fungus grows on cow dung. It produces small, light brown, cup-shaped fruit bodies up to in diameter. The asci (spore-producing cells) are cylindrical (or nearly so), with dimensions of up to 280 µm long and 18 µm in diameter. The spores are ellipsoid and measure 8 by 16 µm.

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Phaeocollybia herrerae

Phaeocollybia herrerae is a species of fungus in the family Cortinariaceae.

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Phaeocollybia pseudolugubris

Phaeocollybia pseudolugubris is a species of fungus in the family Cortinariaceae.

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Phanerochaete

Phanerochaete is a genus of crust fungi in the family Phanerochaetaceae.

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Phellinus ellipsoideus

Phellinus ellipsoideus (formerly Fomitiporia ellipsoidea) is a species of polypore fungus in the family Hymenochaetaceae, a specimen of which produced the largest fungal fruit body ever recorded.

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Phellodon

Phellodon is a genus of tooth fungi in the family Bankeraceae.

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Phellodon niger

Phellodon niger, commonly known as the black tooth, is a species of tooth fungus in the family Bankeraceae, and the type species of the genus Phellodon.

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Philip Batchelor

Philip Batchelor (30 December 1967 in St Austell, Cornwall, UK – 30 August 2011 near Annecy, France), was a Swiss-British academic in the fields of mathematics and medical imaging.

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Phlebia crassisubiculata

Phlebia crassisubiculata is a species of crust fungus that is found in India.

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Phlebiporia

Phlebiporia is a fungal genus in the family Meruliaceae.

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Pholiotina cyanopus

Pholiotina cyanopus is a species of fungus currently assigned to the genus Pholiotina that contains the psychoactive compound psilocybin.

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Pholiotina smithii

Pholiotina smithii is a rare member of the genus Pholiotina which contains the hallucinogenic alkaloid psilocybin.

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Physalacriaceae

The Physalacriaceae are a family of fungi in the order Agaricales.

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Physical geodesy

Physical geodesy is the study of the physical properties of the gravity field of the Earth, the geopotential, with a view to their application in geodesy.

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Planets in science fiction

Planets in science fiction are fictional planets that appear in various media of the science fiction genre as story-settings or depicted locations.

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Pluteus exilis

Pluteus exilis is a species of agaric fungus in the family Pluteaceae.

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Plutoid

A plutoid or ice dwarf is a trans-Neptunian dwarf planet, i.e. a body orbiting beyond Neptune that is massive enough to be rounded in shape.

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Pogonoloma

Pogonoloma is a mushroom genus in the family Tricholomataceae in a broad sense.

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Poinsot's ellipsoid

In classical mechanics, Poinsot's construction (after Louis Poinsot) is a geometrical method for visualizing the torque-free motion of a rotating rigid body, that is, the motion of a rigid body on which no external forces are acting.

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Polyporus radicatus

Polyporus radicatus is a species of fungus in the family Polyporaceae.

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Prime meridian (Greenwich)

A prime meridian, based at the Royal Observatory, Greenwich, in London, England, was established by Sir George Airy in 1851.

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Principal axis theorem

In the mathematical fields of geometry and linear algebra, a principal axis is a certain line in a Euclidean space associated with an ellipsoid or hyperboloid, generalizing the major and minor axes of an ellipse or hyperbola.

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Principal component analysis

Principal component analysis (PCA) is a statistical procedure that uses an orthogonal transformation to convert a set of observations of possibly correlated variables into a set of values of linearly uncorrelated variables called principal components.

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Prolate spheroidal coordinates

Prolate spheroidal coordinates are a three-dimensional orthogonal coordinate system that results from rotating the two-dimensional elliptic coordinate system about the focal axis of the ellipse, i.e., the symmetry axis on which the foci are located.

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Proteus (moon)

Proteus (Greek: Πρωτεύς), also known as Neptune VIII, is the second-largest Neptunian moon, and Neptune's largest inner satellite.

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Protoxerula

Protoxerula is a fungal genus in the family Physalacriaceae.

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Psilocybe cinnamomea

Psilocybe cinnamomea is a species of psilocybin mushroom that was described as new to science in 2014 from collections made in southern China.

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Psilocybe hispanica

Psilocybe hispanica is a species of fungus in the family Hymenogastraceae.

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Psilocybe liniformans var. americana

Psilocybe liniformans var.

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Psilocybe quebecensis

Psilocybe quebecensis is a moderately active hallucinogenic mushroom in the section Aztecorum, having psilocybin and psilocin as main active compounds.

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Psilocybe semilanceata

Psilocybe semilanceata, commonly known as the liberty cap, is a psilocybin or "magic" mushroom that contains the psychoactive compounds psilocybin which the body breaks down to psilocin, and the alkaloid baeocystin.

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Psilocybe serbica

Psilocybe serbica is a species of mushroom in the Strophariaceae family.

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Pumpkin bomb

Pumpkin bombs were conventional aerial bombs developed by the Manhattan Project and used by the United States Army Air Forces against Japan during World War II.

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Pyrodinium bahamense

Pyrodinium bahamense, considered the sister taxon to Alexandrium, is a tropical euryhaline species of dinoflagellates found mainly in the Atlantic ocean.

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Quadratic form

In mathematics, a quadratic form is a homogeneous polynomial of degree two in a number of variables.

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Quadric

In mathematics, a quadric or quadric surface (quadric hypersurface in higher dimensions), is a generalization of conic sections (ellipses, parabolas, and hyperbolas).

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Ramaria botrytis

Ramaria botrytis, commonly known as the clustered coral, the pink-tipped coral mushroom, or the cauliflower coral, is an edible species of coral fungus in the family Gomphaceae.

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Ramaria caulifloriformis

Ramaria caulifloriformis is a species of coral fungus in the family Gomphaceae.

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Ramaria magnipes

Ramaria magnipes is a coral fungus in the family Gomphaceae.

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Ramaria rubripermanens

Ramaria rubripermanens is a species of coral fungus in the family Gomphaceae.

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Ramariopsis

Ramariopsis is a genus of coral fungi in the family Clavariaceae.

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Reference ellipsoid

In geodesy, a reference ellipsoid is a mathematically defined surface that approximates the geoid, the truer figure of the Earth, or other planetary body.

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Regret (decision theory)

In decision theory, on making decisions under uncertainty—should information about the best course of action arrive after taking a fixed decision—the human emotional response of regret is often experienced.

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Repetobasidiopsis

Repetobasidiopsis is a fungal genus of unknown familial placement in the order Polyporales.

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Reynolds number

The Reynolds number is an important dimensionless quantity in fluid mechanics used to help predict flow patterns in different fluid flow situations.

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Rhea (moon)

Rhea (Ῥέᾱ) is the second-largest moon of Saturn and the ninth-largest moon in the Solar System.

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Rhizopogon evadens

Rhizopogon evadens is a truffle-like fungus in the family Rhizopogonaceae.

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Rhizopogon occidentalis

Rhizopogon occidentalis is a truffle-like fungus in the family Rhizopogonaceae.

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Rhizopogon parvisporus

Rhizopogon parvisporus is a small, truffle-like fungus in the family Rhizopogonaceae.

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Rhodofomitopsis

Rhodofomitopsis is a genus of four species of poroid fungi in the family Fomitopsidaceae.

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Rhodofomitopsis lilacinogilva

Rhodofomitopsis lilacinogilva is a species of bracket fungus in the family Fomitopsidaceae.

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Ricci curvature

In differential geometry, the Ricci curvature tensor, named after Gregorio Ricci-Curbastro, represents the amount by which the volume of a small wedge of a geodesic ball in a curved Riemannian manifold deviates from that of the standard ball in Euclidean space.

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Rickiopora

Rickiopora is a fungal genus of unknown familial placement in the order Polyporales.

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Roche limit

In celestial mechanics, the Roche limit, also called Roche radius, is the distance in which a celestial body, held together only by its own gravity, will disintegrate due to a second celestial body's tidal forces exceeding the first body's gravitational self-attraction.

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Roche lobe

The Roche lobe (or Roche limit) is the region around a star in a binary system within which orbiting material is gravitationally bound to that star.

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Roridomyces austrororidus

Roridomyces austrororidus, commonly known as the austro dripping bonnet, is a species of agaric fungus in the family Mycenaceae.

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Rostraureum tropicale

Rostraureum tropicale is a species of fungus from genus Rostraureum that is found in Ecuador.

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Rotating ellipsoidal variable

Rotating ellipsoidal variables are a class of variable star.

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Roystonea regia

Roystonea regia, commonly known as the Cuban royal palm or the Florida royal palm is a species of palm that is native to Mexico, parts of Central America and the Caribbean, and southern Florida.

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Rubroboletus rhodoxanthus

Rubroboletus rhodoxanthus is a fungus of the genus Rubroboletus, known for many years as Boletus rhodoxanthus until 2014.

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Rubroboletus sinicus

Rubroboletus sinicus is a bolete fungus in the family Boletaceae.

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Russula virescens

Russula virescens is a basidiomycete mushroom of the genus Russula, and is commonly known as the green-cracking russula, the quilted green russula, or the green brittlegill.

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S-II

The S-II (pronounced "S-two") was the second stage of the Saturn V rocket.

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San Salvador

San Salvador ("Holy Savior") is the capital and the most populous city of El Salvador and its eponymous department.

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Sarcoscypha coccinea

Sarcoscypha coccinea, commonly known as the scarlet elf cup, scarlet elf cap, or the scarlet cup, is a species of fungus in the family Sarcoscyphaceae of the order Pezizales.

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Scale (map)

The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground.

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Scalene

Scalene may refer to.

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Scattering

Scattering is a general physical process where some forms of radiation, such as light, sound, or moving particles, are forced to deviate from a straight trajectory by one or more paths due to localized non-uniformities in the medium through which they pass.

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Schisandra glabra

Schisandra glabra, the bay star-vine, is the only American species of this primarily Asian genus.

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Sclerodermatineae

Sclerodermatineae is a suborder of the fungal order Boletales.

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Scutellinia setosa

Scutellinia setosa is a species of apothecial fungus belonging to the family Pyronemataceae.

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Scutellinia subhirtella

Scutellinia subhirtella is a species of fungus belonging to the family Pyronemataceae.

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Secant plane

A secant plane is a plane containing a nontrivial section of a sphere or an ellipsoid, or such a plane that a sphere is projected onto.

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Seismic migration

Seismic migration is the process by which seismic events are geometrically re-located in either space or time to the location the event occurred in the subsurface rather than the location that it was recorded at the surface, thereby creating a more accurate image of the subsurface.

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Semidiameter

In geometry, the semidiameter or semi-diameter of a set of points may be one half of its diameter; or, sometimes, one half of its extent along a particular direction.

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Sepia (genus)

Sepia is a genus of cuttlefish in the family Sepiidae encompassing some of the best known and most common species.

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Shape

A shape is the form of an object or its external boundary, outline, or external surface, as opposed to other properties such as color, texture or material composition.

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Simosuchus

Simosuchus (meaning "pug-nosed crocodile" in Greek, referring to the animal's blunt snout) is an extinct genus of notosuchian crocodylomorphs from the Late Cretaceous of Madagascar.

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Single domain (magnetic)

Single domain, in magnetism, refers to the state of a ferromagnet in which the magnetization does not vary across the magnet.

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Singular value

In mathematics, in particular functional analysis, the singular values, or s-numbers of a compact operator acting between Hilbert spaces X and Y, are the square roots of the eigenvalues of the non-negative self-adjoint operator (where T* denotes the adjoint of T).

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Singular-value decomposition

In linear algebra, the singular-value decomposition (SVD) is a factorization of a real or complex matrix.

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Sinoboletus

Sinoboletus is a genus of fungi in the family Boletaceae.

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Skeletocutis

Skeletocutis is a genus of about 40 species of poroid fungi in the family Polyporaceae.

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Skeletocutis bambusicola

Skeletocutis bambusicola is a species of poroid crust fungus in the family Polyporaceae.

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Skeletocutis microcarpa

Skeletocutis microcarpa is a species of poroid fungus in the family Polyporaceae that is found in Venezuela.

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Sling (weapon)

A sling is a projectile weapon typically used to throw a blunt projectile such as a stone, clay, or lead "sling-bullet".

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Solid geometry

In mathematics, solid geometry is the traditional name for the geometry of three-dimensional Euclidean space.

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Spacecraft of The Saga of Seven Suns

The following is a list of fictional spacecraft featured in The Saga of Seven Suns, a series of science fiction novels written by Kevin J. Anderson.

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Spectral theory

In mathematics, spectral theory is an inclusive term for theories extending the eigenvector and eigenvalue theory of a single square matrix to a much broader theory of the structure of operators in a variety of mathematical spaces.

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Spherical cap

In geometry, a spherical cap, spherical dome, or spherical segment of one base is a portion of a sphere cut off by a plane.

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Spherical Earth

The earliest reliably documented mention of the spherical Earth concept dates from around the 6th century BC when it appeared in ancient Greek philosophy but remained a matter of speculation until the 3rd century BC, when Hellenistic astronomy established the spherical shape of the Earth as a physical given.

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Spheroid

A spheroid, or ellipsoid of revolution, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters.

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Spindle apparatus

In cell biology, the spindle apparatus (or mitotic spindle) refers to the cytoskeletal structure of eukaryotic cells that forms during cell division to separate sister chromatids between daughter cells.

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Spironemidae

Spironemidae is a family of heterotrophic flagellates.

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Spongipellis unicolor

Spongipellis unicolor is a species of polypore fungus in the family Polyporaceae.

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Squircle

A squircle is a mathematical shape intermediate between a square and a circle.

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Stage lighting instrument

Stage lighting instruments (lanterns, or luminaires in Europe) are used in stage lighting to illuminate theatrical productions, concerts, and other performances taking place in live performance venues.

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Standard asteroid physical characteristics

For the majority of numbered asteroids, almost nothing is known apart from a few physical parameters and orbital elements and some physical characteristics are often only estimated.

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Steccherinaceae

The Steccherinaceae are a family of about 200 species of fungi in the order Polyporales.

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Stellar halo

The stellar halo of a galaxy refers to the component of its galactic halo containing stars.

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Stropharia caerulea

Stropharia caerulea, commonly known as the blue roundhead, is an inedible species of agaric fungus in the family Strophariaceae.

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Structure tensor

In mathematics, the structure tensor, also referred to as the second-moment matrix, is a matrix derived from the gradient of a function.

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Subthalamic nucleus

The subthalamic nucleus is a small lens-shaped nucleus in the brain where it is, from a functional point of view, part of the basal ganglia system.

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Suillus helenae

Suillus helenae is a species of bolete fungus in the genus Suillus.

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Suillus salmonicolor

Suillus salmonicolor, commonly known as the Slippery Jill, is a fungus in the family Suillaceae of the order Boletales.

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Suillus serotinus

Suillus serotinus is a species of bolete fungus found in eastern North America.

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Sukhoi Su-25

The Sukhoi Su-25 Grach (Грач (rook); NATO reporting name: Frogfoot) is a single-seat, twin-engine jet aircraft developed in the Soviet Union by Sukhoi.

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Superantigen

Superantigens (SAgs) are a class of antigens that cause non-specific activation of T-cells resulting in polyclonal T cell activation and massive cytokine release.

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Superdeformation

In nuclear physics a superdeformed nucleus is a nucleus that is very far from spherical, forming an ellipsoid with axes in ratios of approximately 2:1:1.

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Superquadrics

In mathematics, the superquadrics or super-quadrics (also superquadratics) are a family of geometric shapes defined by formulas that resemble those of ellipsoids and other quadrics, except that the squaring operations are replaced by arbitrary powers.

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Sydney Opera House

The Sydney Opera House is a multi-venue performing arts centre in Sydney, New South Wales, Australia.

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Tensor

In mathematics, tensors are geometric objects that describe linear relations between geometric vectors, scalars, and other tensors.

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Tensor field

In mathematics and physics, a tensor field assigns a tensor to each point of a mathematical space (typically a Euclidean space or manifold).

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Terana caerulea

Terana caerulea (or Terana coerulea), commonly known as the cobalt crust fungus or velvet blue spread, is a saprobic crust fungus in the family Phanerochaetaceae.

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Testicle

The testicle or testis is the male reproductive gland in all animals, including humans.

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Tethys (moon)

Tethys (or Saturn III) is a mid-sized moon of Saturn about across.

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Thebe (moon)

Thebe (Θήβη) also known as, is the fourth of Jupiter's moons by distance from the planet.

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Theorem of the three geodesics

In differential geometry the theorem of the three geodesics states that every Riemannian manifold with the topology of a sphere has at least three closed geodesics that form simple closed curves without self-intersections.

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Thermal ellipsoid

Thermal ellipsoids, more formally termed atomic displacement parameters, are ellipsoids used in crystallography to indicate the magnitudes and directions of the thermal vibration of atoms in crystal structures.

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Three-dimensional space

Three-dimensional space (also: 3-space or, rarely, tri-dimensional space) is a geometric setting in which three values (called parameters) are required to determine the position of an element (i.e., point).

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Tidal force

The tidal force is an apparent force that stretches a body towards the center of mass of another body due to a gradient (difference in strength) in gravitational field from the other body; it is responsible for the diverse phenomena, including tides, tidal locking, breaking apart of celestial bodies and formation of ring systems within Roche limit, and in extreme cases, spaghettification of objects.

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Tidal locking

Tidal locking (also called gravitational locking or captured rotation) occurs when the long-term interaction between a pair of co-orbiting astronomical bodies drives the rotation rate of at least one of them into the state where there is no more net transfer of angular momentum between this body (e.g. a planet) and its orbit around the second body (e.g. a star); this condition of "no net transfer" must be satisfied over the course of one orbit around the second body.

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Timeline of telescope technology

The following timeline lists the significant events in the invention and development of the telescope.

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Timeline of United States discoveries

Timeline of United States discoveries encompasses the breakthroughs of human thought and knowledge of new scientific findings, phenomena, places, things, and what was previously unknown to exist.

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Tissot's indicatrix

In cartography, a Tissot's indicatrix (Tissot indicatrix, Tissot's ellipse, Tissot ellipse, ellipse of distortion) (plural: "Tissot's indicatrices") is a mathematical contrivance presented by French mathematician Nicolas Auguste Tissot in 1859 and 1871 in order to characterize local distortions due to map projection.

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Torpedo punt

The torpedo punt (also known as screw punt or spiral punt) is a type of punt kick implemented in Australian rules football, Rugby union & Rugby league, and more generally with an ellipsoidal football.

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Tractography

In neuroscience, tractography is a 3D modeling technique used to visually represent neural tracts using data collected by diffusion-weighted images (DWI).

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Translation of axes

In mathematics, a translation of axes in two dimensions is a mapping from an xy-Cartesian coordinate system to an x'y'-Cartesian coordinate system in which the x' axis is parallel to the x axis and k units away, and the y' axis is parallel to the y axis and h units away.

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Triaxial

Triaxial may refer to.

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Tricholoma aurantium

Tricholoma aurantium, commonly known as the golden orange tricholoma, is a mushroom of the agaric genus Tricholoma.

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Tricholoma pullum

Tricholoma pullum is a mushroom of the agaric genus Tricholoma.

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Tuber donnagotto

Tuber donnagotto is a species of truffle in the family Tuberaceae.

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Tulip

Tulips (Tulipa) form a genus of spring-blooming perennial herbaceous bulbiferous geophytes (having bulbs as storage organs).

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Tylopilus albofarinaceus

Tylopilus albofarinaceus is a bolete fungus in the family Boletaceae found in China.

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Tylopilus orsonianus

Tylopilus orsonianus is a bolete fungus of the genus Tylopilus.

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Tylopilus potamogeton

Tylopilus potamogeton is a bolete fungus in the family Boletaceae.

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Tylopilus punctatofumosus

Tylopilus punctatofumosus is a bolete fungus in the family Boletaceae found in China.

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Tylopilus temucensis

Tylopilus temucensis is a bolete fungus in the family Boletaceae.

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Typhula quisquiliaris

Typhula quisquiliaris, commonly known as the bracken club, is a species of club fungus in the family Typhulaceae.

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Tyromyces pulcherrimus

Tyromyces pulcherrimus, commonly known as the strawberry bracket, is a species of poroid fungus in the family Polyporaceae.

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Uncobasidium

Uncobasidium is a genus of two species of crust fungi in the family Meruliaceae.

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Uncobasidium luteolum

Uncobasidium luteolum is a species of crust fungus in the family Meruliaceae, and the type species of genus Uncobasidium.

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Ungulidaedalea

Ungulidaedalea is a fungal genus in the family Fomitopsidaceae.

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V838 Monocerotis

V838 Monocerotis (V838 Mon) is a red star in the constellation Monoceros about 20,000 light years (6 kpc) from the Sun.

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Variable star

A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.

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Verdesse

Verdesse is a white French wine grape variety grown primarily in the Bugey AOC of eastern France (though it is not currently permitted in the AOC wine).

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Victor Vasarely

Victor Vasarely (born Győző Vásárhelyi,; –), was a Hungarian-French artist, who is widely accepted as a "grandfather" and leaderThe New York Times obituary https://www.nytimes.com/1997/03/18/arts/victor-vasarely-op-art-patriarch-dies-at-90.html of the op art movement.

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Virola surinamensis

Virola surinamensis, known commonly as baboonwood, ucuuba, ucuhuba and chalviande,Americas Regional Workshop (Conservation & Sustainable Management of Trees, Costa Rica, November 1996).

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Volume

Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.

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Volvopluteus asiaticus

Volvopluteus asiaticus is a species of mushroom in the Pluteaceae family.

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Volvopluteus earlei

Volvopluteus earlei is a species of mushroom in the family Pluteaceae.

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Volvopluteus gloiocephalus

Volvopluteus gloiocephalus, commonly known as the big sheath mushroom, rose-gilled grisette, or stubble rosegill, is a species of mushroom in the family Pluteaceae.

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Volvopluteus michiganensis

Volvopluteus michiganensis is a species of mushroom in the family Pluteaceae.

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Water tower

A water tower is an elevated structure supporting a water tank constructed at a height sufficient to pressurize a water supply system for the distribution of potable water, and to provide emergency storage for fire protection.

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Whirligig beetle

The whirligig beetles are a family (Gyrinidae) of water beetles that usually swim on the surface of the water if undisturbed, though they swim underwater when threatened.

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Whispering gallery

The Whispering Gallery of St Paul's Cathedral A whispering gallery is usually a circular, hemispherical, elliptical or ellipsoidal enclosure, often beneath a dome or a vault, in which whispers can be heard clearly in other parts of the gallery.

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Willem van der Woude

Willem van der Woude (15 January 1876 – 23 September 1974) was a Dutch mathematician and ''rector magnificus'' of the University of Leiden.

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Wolfiporia cartilaginea

Wolfiporia cartilaginea is a species of fungus in the order Polyporales.

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World Geodetic System

The World Geodetic System (WGS) is a standard for use in cartography, geodesy, and satellite navigation including GPS.

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Xanthoparmelia lavicola

Xanthoparmelia lavicola is a species of lichen from Parmeliaceae family that can be found in Arizona, California, and Ecuador.

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Xanthoparmelia tinctina

Xanthoparmelia tinctina is a species of lichen from the family Parmeliaceae that can be found in Arizona, California, Northern Africa and Europe.

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Xeromphalina setulipes

Xeromphalina setulipes is a species of fungus of the family Mycenaceae.

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Xerospermum noronhianum

Xerospermum noronhianum is a common Asian tree species described by Carl Ludwig von Blume: it is the type species in the genus and belongs to the Family Sapindaceae.

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Xerula australis

Xerula australis is a species of gilled mushroom in the family Physalacriaceae that is found in Australia.

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Ximenia caffra

Ximenia caffra, the large sourplum, also known as suurpruim, mtundakula, mpingi,tsvanzva, umThunduluka-obomvu, and amatu nduluka, is a small tree or small shrub that is thinly branched.

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Yarkovsky–O'Keefe–Radzievskii–Paddack effect

The Yarkovsky–O'Keefe–Radzievskii–Paddack effect, or YORP effect for short, changes the rotation state of a small astronomical body – that is, the body's spin rate and the obliquity of its pole(s) – due to the scattering of solar radiation off its surface and the emission of its own thermal radiation.

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Zanha golungensis

Zanha golungensis is a species of fruit plants from Sapindaceae family that can be found in Cameroon and Zimbabwe.

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Zeldovich pancake

A Zel'dovich pancake is a theoretical condensation of gas out of a primordial density fluctuation following the Big Bang.

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(208996) 2003 AZ84

is a trans-Neptunian object, possibly binary, from the outer regions of the Solar System, approximately 700 kilometers in diameter.

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(66391) 1999 KW4

, provisional designation, is a binary asteroid, classified as near-Earth object and potentially hazardous asteroid of the Aten group, approximately 1.3 kilometers in diameter.

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10.5 cm FlaK 38

The 10.5 cm FlaK 38 was a German anti-aircraft gun used during World War II by the Luftwaffe.

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1025 Riema

1025 Riema, provisional designation, is a bright Hungaria asteroid from the innermost regions of the asteroid belt, approximately 5 kilometers in diameter.

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11066 Sigurd

11066 Sigurd, provisional designation, is a stony, rare-type asteroid and elongated contact binary, classified as near-Earth object of the Apollo group of asteroids, approximately 2.5 kilometers in diameter.

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121 Hermione

121 Hermione is a very large asteroid discovered in 1872.

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1773 in science

The year 1773 in science and technology involved some significant events.

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1964 New York World's Fair

The 1964/1965 New York World's Fair held over 140 pavilions, 110 restaurants, for 80 nations (hosted by 37), 24 US states, and over 45 corporations to build exhibits or attractions at Flushing Meadows Park in Queens, NY.

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2 Pallas

Pallas, minor-planet designation 2 Pallas, is the second asteroid to have been discovered (after Ceres), and is one of the largest asteroids in the Solar System.

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20000 Varuna

20000 Varuna, provisional designation, is a large classical Kuiper belt object.

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214 Aschera

214 Aschera is a Main belt asteroid.

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23 Thalia

23 Thalia is a large main-belt asteroid.

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36 Atalante

36 Atalante is a large, dark main-belt asteroid.

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39 Laetitia

39 Laetitia is a large main-belt asteroid that was discovered by French astronomer Jean Chacornac on February 8, 1856, and named after “Laetitia”, one of the epithets of Ceres, Roman goddess of fertility and abundance.

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4 Vesta

Vesta, minor-planet designation 4 Vesta, is one of the largest objects in the asteroid belt, with a mean diameter of.

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4440 Tchantchès

4440 Tchantchès, provisional designation, is a rather elongated Hungaria asteroid and a possible binary system from the inner regions of the asteroid belt, approximately 3 kilometers in diameter.

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49th parallel north

The 49th parallel north is a circle of latitude that is 49° north of Earth's equator.

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511 Davida

511 Davida is a large C-type asteroid in the asteroid belt.

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52 Europa

52 Europa is the 6th-largest asteroid in the asteroid belt, having an average diameter of around 315 km.

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61 Danaë

61 Danaë is a stony asteroid of the outer asteroid belt's background population, approximately 84 kilometer in diameter.

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Redirects here:

Elipsoid, Ellipsoid (geometry), Ellipsoidal, Ellipsoids, Hyperellipsoid, Scalene ellipsoid, Semi-principal axis, Tri-axial ellipsoid, Triaxial ellipsoid.

References

[1] https://en.wikipedia.org/wiki/Ellipsoid

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