96 relations: Antimatter, Asymmetric multiprocessing, Asymmetric relation, Auditorio de Tenerife, BaBar experiment, Baryon, Baryon asymmetry, Belle experiment, Birth defect, Blohm & Voss BV 141, Building code, C-symmetry, Cell (biology), Certification listing, Chien-Shiung Wu, Chirality (chemistry), Chirality (physics), Collider, CPT symmetry, Eastern span replacement of the San Francisco–Oakland Bay Bridge, Eightfold Way (physics), Electromagnetism, English language, Entropy, Entropy (arrow of time), Facial symmetry, Fiddler crab, Fire, Fire test, Fire-resistance rating, Flatfish, Flavour (particle physics), Grammar, Gravity, Hamiltonian (quantum mechanics), Handedness, Heart, High-voltage transformer fire barriers, Human, Information asymmetry, Isospin, James Cronin, Kaon, Large Electron–Positron Collider, Leon M. Lederman, Lexical analysis, Limb (anatomy), Linguistics, Lorentz covariance, Lung, ..., Martin Gardner, Mathematical notation, Matter, Meson, Narwhal, Neutrino, Neutron, Nuclear physics, Organism, Outrigger canoe, Owl, Parity (physics), Particle physics, Parton (particle physics), Passive fire protection, Proa, Programming language, Proton, Puente de la Mujer, Quantum field theory, Quark, Richard Garwin, Rudolf Clausius, Self-adjoint operator, Sex organ, SLAC National Accelerator Laboratory, Snail, Standard Model, Strange quark, Strong interaction, Symmetry, Symmetry (physics), Symmetry in biology, T-symmetry, Tau (particle), Tevatron, The Ambidextrous Universe, Thermodynamics, Torsion (gastropod), Transformational grammar, Val Logsdon Fitch, W and Z bosons, Weak interaction, Weinberg angle, Werner Heisenberg, William Thomson, 1st Baron Kelvin. Expand index (46 more) » « Shrink index
In modern physics, antimatter is defined as a material composed of the antiparticle (or "partners") to the corresponding particles of ordinary matter.
In an asymmetric multiprocessing system (AMP), not all CPUs are treated equally; for example, a system might allow (either at the hardware or operating system level) only one CPU to execute operating system code or might allow only one CPU to perform I/O operations.
In mathematics, an asymmetric relation is a binary relation on a set X where.
The Auditorio de Tenerife "Adán Martín" (commonly referred to as the Auditorio de Tenerife) is an auditorium in Santa Cruz de Tenerife, Canary Islands, Spain.
The BaBar experiment, or simply BaBar, is an international collaboration of more than 500 physicists and engineers studying the subatomic world at energies of approximately ten times the rest mass of a proton (~10 GeV).
A baryon is a composite subatomic particle made up of three quarks (a triquark, as distinct from mesons, which are composed of one quark and one antiquark).
In physics, the baryon asymmetry problem, also known as the matter asymmetry problem or the matter-antimatter asymmetry problem, is the observed imbalance in baryonic matter (the type of matter experienced in everyday life) and antibaryonic matter in the observable universe.
The Belle experiment was a particle physics experiment conducted by the Belle Collaboration, an international collaboration of more than 400 physicists and engineers, at the High Energy Accelerator Research Organisation (KEK) in Tsukuba, Ibaraki Prefecture, Japan.
A birth defect, also known as a congenital disorder, is a condition present at birth regardless of its cause.
The Blohm & Voss BV 141 was a World War II German tactical reconnaissance aircraft.
A building code (also building control or building regulations) is a set of rules that specify the standards for constructed objects such as buildings and nonbuilding structures.
Charge conjugation is a transformation that switches all particles with their corresponding antiparticles, and thus changes the sign of all charges: not only electric charge but also the charges relevant to other forces.
The cell (from Latin cella, meaning "small room") is the basic structural, functional, and biological unit of all known living organisms.
A certification listing is a document used to guide installations of certified products, against which a field installation is compared to make sure that it complies with a regulation (e.g., a building code).
Chien-Shiung Wu (May 31, 1912 – February 16, 1997) was a Chinese-American experimental physicist who made significant contributions in the field of nuclear physics.
Chirality is a geometric property of some molecules and ions.
A chiral phenomenon is one that is not identical to its mirror image (see the article on mathematical chirality).
A collider is a type of particle accelerator involving directed beams of particles.
Charge, parity, and time reversal symmetry is a fundamental symmetry of physical laws under the simultaneous transformations of charge conjugation (C), parity transformation (P), and time reversal (T).
The eastern span replacement of the San Francisco–Oakland Bay Bridge was a construction project to replace a seismically unsound portion of the Bay Bridge with a new self-anchored suspension bridge (SAS) and a pair of viaducts.
In physics, the Eightfold Way is a theory organizing subatomic hadrons.
Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles.
English is a West Germanic language that was first spoken in early medieval England and is now a global lingua franca.
In statistical mechanics, entropy is an extensive property of a thermodynamic system.
Entropy is the only quantity in the physical sciences (apart from certain rare interactions in particle physics; see below) that requires a particular direction for time, sometimes called an arrow of time.
Facial symmetry is one specific measure of bodily asymmetry.
A fiddler crab, sometimes known as a calling crab, may be any of approximately 100 species of semi-terrestrial marine crabs which make up the genus Uca.
Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products.
A fire test is a means of determining whether fire protection products meet minimum performance criteria as set out in a building code or other applicable legislation.
A fire-resistance rating typically means the duration for which a passive fire protection system can withstand a standard fire resistance test.
A flatfish is a member of the order Pleuronectiformes of ray-finned demersal fishes, also called the Heterosomata, sometimes classified as a suborder of Perciformes.
In particle physics, flavour or flavor refers to the species of an elementary particle.
In linguistics, grammar (from Greek: γραμματική) is the set of structural rules governing the composition of clauses, phrases, and words in any given natural language.
Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.
In quantum mechanics, a Hamiltonian is an operator corresponding to the total energy of the system in most of the cases.
In human biology, handedness is a better, faster, or more precise performance or individual preference for use of a hand, known as the dominant hand; the less capable or less preferred hand is called the non-dominant hand.
The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.
High-voltage transformer fire barriers, or transformer firewalls, transformer ballistic firewalls, transformer blast walls, are outdoor countermeasures against cascading failures in a national electric grid.
Humans (taxonomically Homo sapiens) are the only extant members of the subtribe Hominina.
In contract theory and economics, information asymmetry deals with the study of decisions in transactions where one party has more or better information than the other.
In nuclear physics and particle physics, isospin is a quantum number related to the strong interaction.
James Watson Cronin (September 29, 1931 – August 25, 2016) was an American particle physicist.
In particle physics, a kaon, also called a K meson and denoted,The positively charged kaon used to be called τ+ and θ+, as it was supposed to be two different particles until the 1960s.
The Large Electron–Positron Collider (LEP) was one of the largest particle accelerators ever constructed.
Leon Max Lederman (born July 15, 1922) is an American experimental physicist who received the Wolf Prize in Physics in 1982, along with Martin Lewis Perl, for their research on quarks and leptons, and the Nobel Prize for Physics in 1988, along with Melvin Schwartz and Jack Steinberger, for their research on neutrinos.
In computer science, lexical analysis, lexing or tokenization is the process of converting a sequence of characters (such as in a computer program or web page) into a sequence of tokens (strings with an assigned and thus identified meaning).
A limb (from the Old English lim), or extremity, is a jointed, or prehensile (as octopus arms or new world monkey tails), appendage of the human or other animal body.
Linguistics is the scientific study of language, and involves an analysis of language form, language meaning, and language in context.
In relativistic physics, Lorentz symmetry, named for Hendrik Lorentz, is an equivalence of observation or observational symmetry due to special relativity implying that the laws of physics stay the same for all observers that are moving with respect to one another within an inertial frame.
The lungs are the primary organs of the respiratory system in humans and many other animals including a few fish and some snails.
Martin Gardner (October 21, 1914May 22, 2010) was an American popular mathematics and popular science writer, with interests also encompassing scientific skepticism, micromagic, philosophy, religion, and literature—especially the writings of Lewis Carroll, L. Frank Baum, and G. K. Chesterton.
Mathematical notation is a system of symbolic representations of mathematical objects and ideas.
In the classical physics observed in everyday life, matter is any substance that has mass and takes up space by having volume.
In particle physics, mesons are hadronic subatomic particles composed of one quark and one antiquark, bound together by strong interactions.
The narwhal (Monodon monoceros), or narwhale, is a medium-sized toothed whale that possesses a large "tusk" from a protruding canine tooth.
A neutrino (denoted by the Greek letter ν) is a fermion (an elementary particle with half-integer spin) that interacts only via the weak subatomic force and gravity.
Nuclear physics is the field of physics that studies atomic nuclei and their constituents and interactions.
In biology, an organism (from Greek: ὀργανισμός, organismos) is any individual entity that exhibits the properties of life.
The outrigger canoe (Ketagalan: bangka; Filipino: bangka; Indonesian: bangka; New Zealand Māori: waka ama; Cook Islands Māori: vaka; Hawaiian: waa; Tahitian and Samoan: vaokinaa; Malagasy: lakana, Proto-Austronesian *waŋkaŋ) is a type of canoe featuring one or more lateral support floats known as outriggers, which are fastened to one or both sides of the main hull.
Owls are birds from the order Strigiformes, which includes about 200 species of mostly solitary and nocturnal birds of prey typified by an upright stance, a large, broad head, binocular vision, binaural hearing, sharp talons, and feathers adapted for silent flight.
In quantum mechanics, a parity transformation (also called parity inversion) is the flip in the sign of one spatial coordinate.
Particle physics (also high energy physics) is the branch of physics that studies the nature of the particles that constitute matter and radiation.
In particle physics, the parton model is a model of hadrons, such as protons and neutrons, proposed by Richard Feynman.
Passive fire protection (PFP) is an integral component of the components of structural fire protection and fire safety in a building.
A proa, also seen as prau, perahu, and prahu, is a type of multihull sailboat.
A programming language is a formal language that specifies a set of instructions that can be used to produce various kinds of output.
Puente de la Mujer (Spanish for "Woman's Bridge"), is a rotating footbridge for Dock 3 of the Puerto Madero commercial district of Buenos Aires, Argentina.
In theoretical physics, quantum field theory (QFT) is the theoretical framework for constructing quantum mechanical models of subatomic particles in particle physics and quasiparticles in condensed matter physics.
A quark is a type of elementary particle and a fundamental constituent of matter.
Richard Lawrence Garwin (born April 19, 1928) is an American physicist, widely known to be the author of the first hydrogen bomb design.
Rudolf Julius Emanuel Clausius (2 January 1822 – 24 August 1888) was a German physicist and mathematician and is considered one of the central founders of the science of thermodynamics.
In mathematics, a self-adjoint operator on a finite-dimensional complex vector space V with inner product \langle\cdot,\cdot\rangle is a linear map A (from V to itself) that is its own adjoint: \langle Av,w\rangle.
A sex organ (or reproductive organ) is any part of an animal's body that is involved in sexual reproduction.
SLAC National Accelerator Laboratory, originally named Stanford Linear Accelerator Center, is a United States Department of Energy National Laboratory operated by Stanford University under the programmatic direction of the U.S. Department of Energy Office of Science and located in Menlo Park, California.
Snail is a common name loosely applied to shelled gastropods.
The Standard Model of particle physics is the theory describing three of the four known fundamental forces (the electromagnetic, weak, and strong interactions, and not including the gravitational force) in the universe, as well as classifying all known elementary particles.
The strange quark or s quark (from its symbol, s) is the third lightest of all quarks, a type of elementary particle.
In particle physics, the strong interaction is the mechanism responsible for the strong nuclear force (also called the strong force or nuclear strong force), and is one of the four known fundamental interactions, with the others being electromagnetism, the weak interaction, and gravitation.
Symmetry (from Greek συμμετρία symmetria "agreement in dimensions, due proportion, arrangement") in everyday language refers to a sense of harmonious and beautiful proportion and balance.
In physics, a symmetry of a physical system is a physical or mathematical feature of the system (observed or intrinsic) that is preserved or remains unchanged under some transformation.
Symmetry in biology is the balanced distribution of duplicate body parts or shapes within the body of an organism.
T-symmetry or time reversal symmetry is the theoretical symmetry of physical laws under the transformation of time reversal: T-symmetry can be shown to be equivalent to the conservation of entropy, by Noether's Theorem.
The tau (τ), also called the tau lepton, tau particle, or tauon, is an elementary particle similar to the electron, with negative electric charge and a 2.
The Tevatron was a circular particle accelerator (now inactive, since 2011) in the United States, at the Fermi National Accelerator Laboratory (also known as Fermilab), east of Batavia, Illinois, and holds the title of the second highest energy particle collider in the world, after the Large Hadron Collider (LHC) of the European Organization for Nuclear Research (CERN) near Geneva, Switzerland.
The Ambidextrous Universe is a popular science book by Martin Gardner, covering aspects of symmetry and asymmetry in human culture, science and the wider universe.
Thermodynamics is the branch of physics concerned with heat and temperature and their relation to energy and work.
Torsion is a gastropod synapomorphy which occurs in all gastropods during larval development.
In linguistics, transformational grammar (TG) or transformational-generative grammar (TGG) is part of the theory of generative grammar, especially of natural languages.
Val Logsdon Fitch (March 10, 1923 – February 5, 2015) was an American nuclear physicist who, with co-researcher James Cronin, was awarded the 1980 Nobel Prize in Physics for a 1964 experiment using the Alternating Gradient Synchrotron at Brookhaven National Laboratory that proved that certain subatomic reactions do not adhere to fundamental symmetry principles.
The W and Z bosons are together known as the weak or more generally as the intermediate vector bosons. These elementary particles mediate the weak interaction; the respective symbols are,, and.
In particle physics, the weak interaction (the weak force or weak nuclear force) is the mechanism of interaction between sub-atomic particles that causes radioactive decay and thus plays an essential role in nuclear fission.
The Weinberg angle or weak mixing angle is a parameter in the Weinberg–Salam theory of the electroweak interaction, part of the Standard Model of particle physics, and is usually denoted as.
Werner Karl Heisenberg (5 December 1901 – 1 February 1976) was a German theoretical physicist and one of the key pioneers of quantum mechanics.
William Thomson, 1st Baron Kelvin, (26 June 1824 – 17 December 1907) was a Scots-Irish mathematical physicist and engineer who was born in Belfast in 1824.