230 relations: Active galactic nucleus, Airbus A330, Airbus A380, AK-74, Alpha particle, AM broadcasting, Antimatter, ASASSN-15lh, Astronomy & Astrophysics, ATLAS experiment, Atmosphere of Earth, Atom, Atto-, Barrel of oil equivalent, Black hole, Boeing 747, Boeing 757, Boeing 767, Boltzmann constant, Boomerang Nebula, British thermal unit, Bullet, Calorie, Caloris Planitia, CANDU reactor, Capacitor, Car, Carbohydrate, Cartridge (firearms), Celsius, Centi-, CERN, Chelyabinsk meteor, Chicxulub crater, Coal, Combustion, Conversion of units, Cosmic ray, Covalent bond, Cross section (geometry), Dark energy, Dark matter, Deca-, Deci-, Degrees of freedom (physics and chemistry), Deuterium, Discus throw, Eardrum, Earth, Electric energy consumption, ..., Electricity, Electricity generation, Electron, Electronvolt, Elephant gun, Energy, Energy conversion efficiency, Energy density, Enthalpy, Enthalpy of fusion, Enthalpy of vaporization, Erg, Escape velocity, Exa-, Fast-neutron reactor, Fat, Femto-, Flashtube, Foe (unit), Food energy, Foot-pound (energy), Fossil fuel, Frequency, Galaxy, Gamma ray, Gamma-ray burst, Gasoline, GBU-43/B MOAB, Geology (journal), Giga-, Gravitational binding energy, Gravitational wave, Gravity, GRB 080916C, Greenland, Greisen–Zatsepin–Kuzmin limit, Half dollar (United States coin), Hammer throw, Hecto-, Hertz, Higgs boson, Hiroshima, Horsepower, Hydrogen bond, Ice, Infrared, International Space Station, International System of Units, ISU-152, James E. Brau, Javelin throw, Jürgen Schult, Jet fuel, Joule, Kelvin, Kilo-, Kilowatt hour, Kinetic energy, Knot (unit), Landauer's principle, Large Electron–Positron Collider, Large Hadron Collider, Light, Lightning, LIGO, Little Boy, Lorentz force, M16 rifle, Mass–energy equivalence, Mega-, Mercury (planet), Metabolism, Meteor Crater, Meteoroid, Metre, Metric prefix, Metric system, Michael Phelps, Micro-, Microwave oven, Milky Way, Milli-, Mir, Molecule, Mongolia, Moon, Mosquito, MS 0735.6+7421, Muon neutrino, Muscle, Nano-, National Earthquake Information Center, National Oceanic and Atmospheric Administration, Natural gas, Neutrino, Neutron, Newton (unit), Norway, Nuclear explosion, Nuclear fission, Nuclear weapon, Observable universe, Oh-My-God particle, Olympic Games, Orbit of the Moon, Order of magnitude, Outline of energy, Particle physics, Peta-, Petroleum, Photography, Photon, Photon energy, Pico-, Planck energy, Planck units, Protein, Proton, Randy Barnes, Red blood cell, Refrigerator, Rifle, Rotational energy, Sand, Science (journal), Scientific notation, Shot put, Snickers, Solar constant, Solar flare, Solar irradiance, Sound energy, South Korea, Square metre, Sun, Super Proton Synchrotron, Supercluster, Superconducting magnet, Superluminous supernova, Supernova, Temperature, Tera-, Therm, Thermal energy, Thunderstorm, TNT, TNT equivalent, Tonne, Tonne of oil equivalent, Tour de France, Tropical cyclone, Tsar Bomba, Ultra-high-energy cosmic ray, Ultraviolet, United States, Uranium, Uranium-235, Uranium-238, Van der Waals force, Virgo Supercluster, W and Z bosons, Water, Watt, Whispering, World energy consumption, World War II, X-ray, Yocto-, Yotta-, Yucatán Peninsula, Zepto-, Zetta-, .223 Remington, .458 Winchester Magnum, 1883 eruption of Krakatoa, 2004 Indian Ocean earthquake and tsunami, 2010 Chile earthquake, 5.45×39mm, 5.56×45mm NATO, 7.62×51mm NATO. Expand index (180 more) » « Shrink index
An active galactic nucleus (AGN) is a compact region at the center of a galaxy that has a much higher than normal luminosity over at least some portion—and possibly all—of the electromagnetic spectrum, with characteristics indicating that the excess luminosity is not produced by stars.
The Airbus A330 is a medium- to long-range wide-body twin-engine jet airliner made by Airbus.
The Airbus A380 is a double-deck, wide-body, four-engine jet airliner manufactured by multi-national manufacturer Airbus.
The AK-74 (Russian: Автомат Калашникова образца 1974 года or "Kalashnikov automatic rifle model 1974") is an assault rifle developed in the early 1970s by Russian designer Mikhail Kalashnikov as the replacement for the earlier AKM (itself a refined version of the AK-47). It uses a smaller 5.45×39mm cartridge, replacing the 7.62×39mm chambering of earlier Kalashnikov-pattern weapons. The rifle first saw service with Soviet forces engaged in the 1979 Afghanistan conflict.Woźniak, Ryszard: Encyklopedia najnowszej broni palnej—tom 1 A-F, page 25. Bellona, 2001. The head of the Afghan bureau of the Pakistani Inter-Services Intelligence claimed that the CIA paid $5,000 for the first AK-74 captured by the Mujahideen during the Soviet–Afghan War. Presently, the rifle continues to be used by the majority of countries of the former Soviet Union. Additionally, licensed copies were produced in Bulgaria (AK-74, AKS-74 and AKS-74U), and the former East Germany (MPi-AK-74N, MPi-AKS-74N, MPi-AKS-74NK).Cutshaw, Charlie: The New World of Russian Small Arms & Ammo, page 92. Paladin Press, 1998.McNab, Chris: The AK47 (Weapons of War), page 25. Spellmount Publishers, 2001. Besides former Soviet republics and eastern European countries, Mongolia, North Korean Special Forces, and Vietnamese People's Naval infantry use AK-74s.
Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus.
AM broadcasting is a radio broadcasting technology, which employs amplitude modulation (AM) transmissions.
In modern physics, antimatter is defined as a material composed of the antiparticle (or "partners") to the corresponding particles of ordinary matter.
ASASSN-15lh (supernova designation SN 2015L) is an extremely bright astronomical transient discovered by the All Sky Automated Survey for SuperNovae (ASAS-SN), with the appearance of a hypernova event.
Astronomy & Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.
ATLAS (A Toroidal LHC ApparatuS) is one of the seven particle detector experiments constructed at the Large Hadron Collider (LHC), a particle accelerator at CERN (the European Organization for Nuclear Research) in Switzerland.
The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
Atto (symbol a) is a unit prefix in the metric system denoting a factor of 10−18 or.
The barrel of oil equivalent (BOE) is a unit of energy based on the approximate energy released by burning one barrel (42 U.S. gallons or 158.9873 litres) of crude oil.
A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it.
The Boeing 747 is an American wide-body commercial jet airliner and cargo aircraft, often referred to by its original nickname, "Jumbo Jet".
The Boeing 757 is a mid-size, narrow-body twin-engine jet airliner that was designed and built by Boeing Commercial Airplanes.
The Boeing 767 is a mid- to large-size, mid- to long-range, wide-body twin-engine jet airliner built by Boeing Commercial Airplanes.
The Boltzmann constant, which is named after Ludwig Boltzmann, is a physical constant relating the average kinetic energy of particles in a gas with the temperature of the gas.
The Boomerang Nebula is a protoplanetary nebula located 5,000 light-years away from Earth in the constellation Centaurus.
The British thermal unit (Btu or BTU) is a traditional unit of heat; it is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.
A bullet is a kinetic projectile and the component of firearm ammunition that is expelled from the gun barrel during shooting.
A calorie is a unit of energy.
Caloris Planitia is a plain within a large impact basin on Mercury, informally named Caloris, about in diameter.
The CANDU, for Canada Deuterium Uranium, is a Canadian pressurized heavy-water reactor design used to generate electric power.
A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
A car (or automobile) is a wheeled motor vehicle used for transportation.
A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water); in other words, with the empirical formula (where m may be different from n).
A cartridge is a type of firearm ammunition packaging a projectile (bullet, shots or slug), a propellant substance (usually either smokeless powder or black powder) and an ignition device (primer) within a metallic, paper or plastic case that is precisely made to fit within the barrel chamber of a breechloading gun, for the practical purpose of convenient transportation and handling during shooting.
The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).
Centi- (symbol c) is a unit prefix in the metric system denoting a factor of one hundredth.
The European Organization for Nuclear Research (Organisation européenne pour la recherche nucléaire), known as CERN (derived from the name Conseil européen pour la recherche nucléaire), is a European research organization that operates the largest particle physics laboratory in the world.
The Chelyabinsk meteor was a superbolide caused by an approximately 20-metre near-Earth asteroid that entered Earth's atmosphere over Russia on 15 February 2013 at about 09:20 YEKT (03:20 UTC), with a speed of 19.16 ± 0.15 kilometres per second (60,000–69,000 km/h or 40,000–42,900 mph).
The Chicxulub crater is an impact crater buried underneath the Yucatán Peninsula in Mexico.
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.
Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.
Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors.
Cosmic rays are high-energy radiation, mainly originating outside the Solar System and even from distant galaxies.
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.
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.
In physical cosmology and astronomy, dark energy is an unknown form of energy which is hypothesized to permeate all of space, tending to accelerate the expansion of the universe.
Dark matter is a theorized form of matter that is thought to account for approximately 80% of the matter in the universe, and about a quarter of its total energy density.
Deca- or deka-, 1995, NIST Special Publication 811 (symbol da) is a decimal unit prefix in the metric system, denoting a factor of ten.
Deci- (symbol d) is a decimal unit prefix in the metric system denoting a factor of one tenth.
In physics, a degree of freedom is an independent physical parameter in the formal description of the state of a physical system.
Deuterium (or hydrogen-2, symbol or, also known as heavy hydrogen) is one of two stable isotopes of hydrogen (the other being protium, or hydrogen-1).
The discus throw is a track and field event in which an athlete throws a heavy disc—called a discus—in an attempt to mark a farther distance than their competitors.
In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear.
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
Electric energy consumption is the form of energy consumption that uses electric energy.
Electricity is the set of physical phenomena associated with the presence and motion of electric charge.
Electricity generation is the process of generating electric power from sources of primary energy.
The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.
In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).
An elephant gun is a large caliber gun, rifled or smoothbore, originally developed for use by big-game hunters for elephant and other big game.
In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
Energy conversion efficiency (η) is the ratio between the useful output of an energy conversion machine and the input, in energy terms.
Energy density is the amount of energy stored in a given system or region of space per unit volume.
Enthalpy is a property of a thermodynamic system.
The enthalpy of fusion of a substance, also known as (latent) heat of fusion, is the change in its enthalpy resulting from providing energy, typically heat, to a specific quantity of the substance to change its state from a solid to a liquid, at constant pressure.
The enthalpy of vaporization, (symbol ∆Hvap) also known as the (latent) heat of vaporization or heat of evaporation, is the amount of energy (enthalpy) that must be added to a liquid substance, to transform a quantity of that substance into a gas.
The erg is a unit of energy and work equal to 10−7 joules.
In physics, escape velocity is the minimum speed needed for an object to escape from the gravitational influence of a massive body.
Exa is a decimal unit prefix in the metric system denoting 1018 or.
A fast-neutron reactor or simply a fast reactor is a category of nuclear reactor in which the fission chain reaction is sustained by fast neutrons, as opposed to thermal neutrons used in thermal-neutron reactors.
Fat is one of the three main macronutrients, along with carbohydrate and protein.
Femto- (symbol f) is a unit prefix in the metric system denoting a factor of 10−15 or.
A flashtube, also called a flashlamp, is an electric arc lamp designed to produce extremely intense, incoherent, full-spectrum white light for very short durations.
A foe is a unit of energy equal to 1044 joules or 1051 ergs, used to express the large amount of energy released by a supernova.
Food energy is chemical energy that animals (including humans) derive from food through the process of cellular respiration.
The foot pound-force (symbol: ft⋅lbf or ft⋅lb) is a unit of work or energy in the Engineering and Gravitational Systems in United States customary and imperial units of measure.
A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.
Frequency is the number of occurrences of a repeating event per unit of time.
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.
In gamma-ray astronomy, gamma-ray bursts (GRBs) are extremely energetic explosions that have been observed in distant galaxies.
Gasoline (American English), or petrol (British English), is a transparent, petroleum-derived liquid that is used primarily as a fuel in spark-ignited internal combustion engines.
The GBU-43/B Massive Ordnance Air Blast (MOAB, commonly known as "Mother of All Bombs") is a large-yield bomb, developed for the United States military by Albert L. Weimorts, Jr.
Geology is a peer-reviewed publication of the Geological Society of America (GSA).
Giga is a unit prefix in the metric system denoting a factor of a (short-form) billion (109 or 000).
A gravitational binding energy is the minimum energy that must be added to a system for the system to cease being in a gravitationally bound state.
Gravitational waves are the disturbance in the fabric ("curvature") of spacetime generated by accelerated masses and propagate as waves outward from their source at the speed of light.
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.
GRB 080916C is a gamma-ray burst (GRB) that was recorded on September 16, 2008 in the Carina constellation and detected by NASA's Fermi Gamma-ray Space Telescope.
Greenland (Kalaallit Nunaat,; Grønland) is an autonomous constituent country within the Kingdom of Denmark between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago.
The Greisen–Zatsepin–Kuzmin limit (GZK limit) is a theoretical upper limit on the energy of cosmic ray protons traveling from other galaxies through the intergalactic medium to our galaxy.
The half dollar, sometimes referred to as the half for short, is a United States coin worth 50 cents, one-half of a dollar, and is the largest United States circulating coin currently produced in both size and weight, being 1.205 inches (30.61 mm) in diameter and.085 inches (2.15 mm) in thickness, and is twice the weight of the quarter.
The hammer throw is one of the four throwing events in regular track and field competitions, along with the discus throw, shot put and javelin.
Hecto- (symbol: h) is a decimal unit prefix in the metric system denoting a factor of one hundred.
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
The Higgs boson is an elementary particle in the Standard Model of particle physics.
is the capital of Hiroshima Prefecture and the largest city in the Chūgoku region of western Honshu - the largest island of Japan.
Horsepower (hp) is a unit of measurement of power (the rate at which work is done).
A hydrogen bond is a partially electrostatic attraction between a hydrogen (H) which is bound to a more electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F), and another adjacent atom bearing a lone pair of electrons.
Ice is water frozen into a solid state.
Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.
The International Space Station (ISS) is a space station, or a habitable artificial satellite, in low Earth orbit.
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
The ISU-152 is a Soviet self-propelled gun developed and used during World War II.
James E. Brau (born 1946) is an American physicist at the University of Oregon (UO) who conducts research on elementary particles and fields.
The javelin throw is a track and field event where the javelin, a spear about in length, is thrown.
Jürgen Schult (born May 11, 1960) is a German former track and field athlete and the current world record holder in the discus throw since 1986, currently the longest standing record in men's track and field.
Jet fuel, aviation turbine fuel (ATF), or avtur, is a type of aviation fuel designed for use in aircraft powered by gas-turbine engines.
The joule (symbol: J) is a derived unit of energy in the International System of Units.
The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.
Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (103).
The kilowatt hour (symbol kWh, kW⋅h or kW h) is a unit of energy equal to 3.6 megajoules.
In physics, the kinetic energy of an object is the energy that it possesses due to its motion.
The knot is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h (approximately 1.15078 mph).
Landauer's principle is a physical principle pertaining to the lower theoretical limit of energy consumption of computation.
The Large Electron–Positron Collider (LEP) was one of the largest particle accelerators ever constructed.
The Large Hadron Collider (LHC) is the world's largest and most powerful particle collider, the most complex experimental facility ever built and the largest single machine in the world.
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
Lightning is a sudden electrostatic discharge that occurs typically during a thunderstorm.
The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment and observatory to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool.
"Little Boy" was the codename for the atomic bomb dropped on the Japanese city of Hiroshima on 6 August 1945 during World War II by the Boeing B-29 Superfortress Enola Gay, piloted by Colonel Paul W. Tibbets, Jr., commander of the 509th Composite Group of the United States Army Air Forces.
In physics (particularly in electromagnetism) the Lorentz force is the combination of electric and magnetic force on a point charge due to electromagnetic fields.
The M16 rifle, officially designated Rifle, Caliber 5.56 mm, M16, is a United States military adaptation of the ArmaLite AR-15 rifle.Kern, Danford Allan (2006).. m-14parts.com. A thesis presented to the Faculty of the US Army Command and General Staff College in partial fulfillment of the requirements for the degree MASTER OF MILITARY ART AND SCIENCE, Military History. Fort Leavenworth, KansasKokalis, Peter G.. Nodakspud.com The original M16 was a selective fire 5.56mm rifle with a 20-round magazine. In 1964, the M16 entered U.S. military service and the following year was deployed for jungle warfare operations during the Vietnam War. In 1969, the M16A1 replaced the M14 rifle to become the U.S. military's standard service rifle.Ezell, Edward Clinton (1983). Small Arms of the World. New York: Stackpole Books. pp. 46–47..Urdang, p. 801. The M16A1 improvements include a bolt-assist, chrome plated bore and a new 30-round magazine. In 1983, the U.S. Marine Corps adopted the M16A2 rifle and the U.S. Army adopted it in 1986. The M16A2 fires the improved 5.56×45mm NATO (M855/SS109) cartridge and has a new adjustable rear sight, case deflector, heavy barrel, improved handguard, pistol grip and buttstock, as well as a semi-auto and three-round burst only fire selector. Adopted in 1998, the M16A4 is the fourth generation of the M16 series.Weapons of the Modern Marines, by Michael Green, MBI Publishing Company, 2004, page 16 It is equipped with a removable carrying handle and Picatinny rail for mounting optics and other ancillary devices. The M16 has also been widely adopted by other militaries around the world. Total worldwide production of M16s has been approximately 8 million, making it the most-produced firearm of its 5.56 mm caliber. The U.S. Military has largely replaced the M16 in combat units with a shorter and lighter version named the M4 carbine.
In physics, mass–energy equivalence states that anything having mass has an equivalent amount of energy and vice versa, with these fundamental quantities directly relating to one another by Albert Einstein's famous formula: E.
Mega is a unit prefix in metric systems of units denoting a factor of one million (106 or 000).
Mercury is the smallest and innermost planet in the Solar System.
Metabolism (from μεταβολή metabolē, "change") is the set of life-sustaining chemical transformations within the cells of organisms.
Meteor Crater is a meteorite impact crater approximately east of Flagstaff and west of Winslow in the northern Arizona desert of the United States.
A meteoroid is a small rocky or metallic body in outer space.
The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).
A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or fraction of the unit.
The metric system is an internationally adopted decimal system of measurement.
Michael Fred Phelps II (born June 30, 1985) is an American retired competitive swimmer and the most successful and most decorated Olympian of all time, with a total of 28 medals.
Micro- (symbol µ) is a unit prefix in the metric system denoting a factor of 10−6 (one millionth).
A microwave oven (also commonly referred to as a microwave) is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range.
The Milky Way is the galaxy that contains our Solar System.
Milli- (symbol m) is a unit prefix in the metric system denoting a factor of one thousandth (10−3).
Mir (Мир,; lit. peace or world) was a space station that operated in low Earth orbit from 1986 to 2001, operated by the Soviet Union and later by Russia.
A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.
Mongolia (Monggol Ulus in Mongolian; in Mongolian Cyrillic) is a landlocked unitary sovereign state in East Asia.
The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.
Mosquitoes are small, midge-like flies that constitute the family Culicidae.
MS 0735.6+7421 is a galaxy cluster located in the constellation Camelopardalis, approximately 2.6 billion light-years away.
The muon neutrino is a lepton, an elementary subatomic particle which has the symbol and no net electric charge.
Muscle is a soft tissue found in most animals.
Nano- (symbol n) is a unit prefix meaning "one billionth".
The National Earthquake Information Center (abbreviated NEIC) is part of the United States Geological Survey (USGS) located on the campus of the Colorado School of Mines in Golden, Colorado.
The National Oceanic and Atmospheric Administration (NOAA; pronounced, like "Noah") is an American scientific agency within the United States Department of Commerce that focuses on the conditions of the oceans, major waterways, and the atmosphere.
Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.
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.
The newton (symbol: N) is the International System of Units (SI) derived unit of force.
Norway (Norwegian: (Bokmål) or (Nynorsk); Norga), officially the Kingdom of Norway, is a unitary sovereign state whose territory comprises the western portion of the Scandinavian Peninsula plus the remote island of Jan Mayen and the archipelago of Svalbard.
A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction.
In nuclear physics and nuclear chemistry, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei).
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or from a combination of fission and fusion reactions (thermonuclear bomb).
The observable universe is a spherical region of the Universe comprising all matter that can be observed from Earth at the present time, because electromagnetic radiation from these objects has had time to reach Earth since the beginning of the cosmological expansion.
The Oh-My-God particle was an ultra-high-energy cosmic ray detected on the evening of 15 October 1991 over Dugway Proving Ground, Utah, by the University of Utah's Fly's Eye Cosmic Ray Detector.
The modern Olympic Games or Olympics (Jeux olympiques) are leading international sporting events featuring summer and winter sports competitions in which thousands of athletes from around the world participate in a variety of competitions.
The Moon orbits Earth in the prograde direction and completes one revolution relative to the stars in about 27.322 days (a sidereal month) and one revolution relative to the Sun in about 29.530 days (a synodic month).
An order of magnitude is an approximate measure of the number of digits that a number has in the commonly-used base-ten number system.
The following outline is provided as an overview of and topical guide to energy: Energy – in physics, this is an indirectly observed quantity often understood as the ability of a physical system to do work on other physical systems.
Particle physics (also high energy physics) is the branch of physics that studies the nature of the particles that constitute matter and radiation.
Peta is a decimal unit prefix in the metric system denoting multiplication by 1015.
Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface.
Photography is the science, art, application and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film.
The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).
Photon energy is the energy carried by a single photon.
Pico- (symbol p) is a unit prefix in the metric system denoting one trillionth, a factor of 10−12.
In physics, Planck energy, denoted by, is the unit of energy in the system of natural units known as Planck units.
In particle physics and physical cosmology, Planck units are a set of units of measurement defined exclusively in terms of five universal physical constants, in such a manner that these five physical constants take on the numerical value of 1 when expressed in terms of these units.
Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.
Eric Randolph Barnes (born June 16, 1966) is an American former shot putter who holds both the current outdoor and indoor world records for the event.
Red blood cells-- also known as RBCs, red cells, red blood corpuscles, haematids, erythroid cells or erythrocytes (from Greek erythros for "red" and kytos for "hollow vessel", with -cyte translated as "cell" in modern usage), are the most common type of blood cell and the vertebrate's principal means of delivering oxygen (O2) to the body tissues—via blood flow through the circulatory system.
A refrigerator (colloquially fridge, or fridgefreezer in the UK) is a popular household appliance that consists of a thermally insulated compartment and a heat pump (mechanical, electronic or chemical) that transfers heat from the inside of the fridge to its external environment so that the inside of the fridge is cooled to a temperature below the ambient temperature of the room.
A rifle is a portable long-barrelled firearm designed for precision shooting, to be held with both hands and braced against the shoulder for stability during firing, and with a barrel that has a helical pattern of grooves ("rifling") cut into the bore walls.
Rotational energy or angular kinetic energy is kinetic energy due to the rotation of an object and is part of its total kinetic energy.
Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.
Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.
Scientific notation (also referred to as scientific form or standard index form, or standard form in the UK) is a way of expressing numbers that are too big or too small to be conveniently written in decimal form.
The shot put (pronounced) is a track and field event involving "throwing"/"putting" (throwing in a pushing motion) a heavy spherical object—the shot—as far as possible.
Snickers is a brand name chocolate bar made by the American company Mars, Incorporated.
The solar constant is a flux density measuring mean solar electromagnetic radiation (solar irradiance) per unit area.
A solar flare is a sudden flash of increased Sun's brightness, usually observed near its surface.
Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument.
Sound energy is a form of energy associated with the vibration of matter.
South Korea, officially the Republic of Korea (대한민국; Hanja: 大韓民國; Daehan Minguk,; lit. "The Great Country of the Han People"), is a country in East Asia, constituting the southern part of the Korean Peninsula and lying east to the Asian mainland.
The square metre (International spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the SI derived unit of area, with symbol m2 (Unicode character). It is the area of a square whose sides measure exactly one metre.
The Sun is the star at the center of the Solar System.
The Super Proton Synchrotron (SPS) is a particle accelerator of the synchrotron type at CERN.
A supercluster is a large group of smaller galaxy clusters or galaxy groups; it is among the largest-known structures of the cosmos.
A superconducting magnet is an electromagnet made from coils of superconducting wire.
A superluminous supernova (SLSN, plural superluminous supernovae or SLSNe; also known as hypernova) is a type of stellar explosion with a luminosity 10 or more times higher than that of standard supernovae.
A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.
Temperature is a physical quantity expressing hot and cold.
Tera is a unit prefix in the metric system denoting multiplication by 1012 or (one trillion short scale; one billion long scale).
The therm (symbol, thm) is a non-SI unit of heat energy equal to British thermal units (Btu).
Thermal energy is a term used loosely as a synonym for more rigorously-defined thermodynamic quantities such as the internal energy of a system; heat or sensible heat, which are defined as types of transfer of energy (as is work); or for the characteristic energy of a degree of freedom in a thermal system kT, where T is temperature and k is the Boltzmann constant.
A thunderstorm, also known as an electrical storm, lightning storm, or thundershower, is a storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere, known as thunder.
Trinitrotoluene (TNT), or more specifically 2,4,6-trinitrotoluene, is a chemical compound with the formula C6H2(NO2)3CH3.
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.
The tonne (Non-SI unit, symbol: t), commonly referred to as the metric ton in the United States, is a non-SI metric unit of mass equal to 1,000 kilograms;.
The tonne of oil equivalent (toe) is a unit of energy defined as the amount of energy released by burning one tonne of crude oil.
The Tour de France is an annual male multiple stage bicycle race primarily held in France, while also occasionally making passes through nearby countries.
A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain.
Tsar Bomba was the Western nickname for the Soviet RDS-220 hydrogen bomb (code name Ivan or Vanya), the most powerful nuclear weapon ever created.
In astroparticle physics, an ultra-high-energy cosmic ray (UHECR) is a cosmic ray particle with a kinetic energy greater than eV, far beyond both the rest mass and energies typical of other cosmic ray particles.
Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
Uranium is a chemical element with symbol U and atomic number 92.
Uranium-235 (235U) is an isotope of uranium making up about 0.72% of natural uranium.
Uranium-238 (238U or U-238) is the most common isotope of uranium found in nature, with a relative abundance of 99%.
In molecular physics, the van der Waals forces, named after Dutch scientist Johannes Diderik van der Waals, are distance-dependent interactions between atoms or molecules.
The Virgo Supercluster (Virgo SC) or the Local Supercluster (LSC or LS) is a mass concentration of galaxies containing the Virgo Cluster and Local Group, which in turn contains the Milky Way and Andromeda galaxies.
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.
Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.
The watt (symbol: W) is a unit of power.
Whispering is an unvoiced mode of phonation in which the vocal folds (vocal cords) are abducted so that they do not vibrate; air passes between the arytenoid cartilages to create audible turbulence during speech.
World energy consumption is the total energy used by the entire human civilization.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
X-rays make up X-radiation, a form of electromagnetic radiation.
Yocto (symbol y) is a unit prefix in the metric system denoting a factor of 10−24 or.
Yotta is the largest decimal unit prefix in the metric system, denoting a factor of 1024 or; that is, one million million million million, or one septillion.
The Yucatán Peninsula (Península de Yucatán), in southeastern Mexico, separates the Caribbean Sea from the Gulf of Mexico, with the northern coastline on the Yucatán Channel.
Zepto (unit symbol z) is a unit prefix in the metric system denoting a factor of 10−21 or.
Zetta is a decimal unit prefix in the metric system denoting a factor of 1021 or.
The.223 Remington (.223 Rem) is a rifle cartridge.
The.458 Winchester Magnum is a belted, straight-taper cased, dangerous game rifle cartridge.
The 1883 eruption of Krakatoa in the Dutch East Indies (now Indonesia) began in the afternoon of Sunday, 26 August 1883 (with origins as early as May of that year), and peaked in the late morning of Monday, 27 August when over 70% of the island and its surrounding archipelago were destroyed as it collapsed into a caldera.
The 2004 Indian Ocean earthquake occurred at 00:58:53 UTC on 26 December with the epicentre off the west coast of Sumatra, Indonesia.
The 2010 Chile earthquake (Terremoto del 27F) occurred off the coast of central Chile on Saturday, 27 February at 03:34 local time (06:34 UTC), having a magnitude of 8.8 on the moment magnitude scale, with intense shaking lasting for about three minutes.
The 5.45×39mm cartridge is a rimless bottlenecked Intermediate cartridge.
The 5.56×45mm NATO (official NATO nomenclature 5.56 NATO) is a rimless bottlenecked intermediate cartridge family developed in Belgium by FN Herstal.
The 7.62×51mm NATO (official NATO nomenclature 7.62 NATO) is a rimless bottlenecked rifle cartridge developed in the 1950s as a standard for small arms among NATO countries.
1 E -13 J, 1 E -14 J, 1 E 5 J, 1 E-1 J, 1 E-10 J, 1 E-11 J, 1 E-12 J, 1 E-13 J, 1 E-14 J, 1 E-15 J, 1 E-16 J, 1 E-17 J, 1 E-18 J, 1 E-19 J, 1 E-2 J, 1 E-20 J, 1 E-21 J, 1 E-22 J, 1 E-23 J, 1 E-24 J, 1 E-25 J, 1 E-3 J, 1 E-31 J, 1 E-4 J, 1 E-5 J, 1 E-6 J, 1 E-7 J, 1 E-8 J, 1 E-9 J, 1 E0 J, 1 E1 J, 1 E10 J, 1 E11 J, 1 E12 J, 1 E13 J, 1 E14 J, 1 E15 J, 1 E16 J, 1 E17 J, 1 E18 J, 1 E19 J, 1 E2 J, 1 E20 J, 1 E21 J, 1 E22 J, 1 E23 J, 1 E24 J, 1 E25 J, 1 E26 J, 1 E27 J, 1 E28 J, 1 E29 J, 1 E3 J, 1 E30 J, 1 E31 J, 1 E33 J, 1 E34 J, 1 E36 J, 1 E39 J, 1 E4 J, 1 E41 J, 1 E42 J, 1 E45 J, 1 E47 J, 1 E48 J, 1 E5 J, 1 E6 J, 1 E69 J, 1 E7 J, 1 E70 J, 1 E8 J, 1 E9 J, 1e-13 J, 1e-14 J, 1e5 J, List of energies in joules, Zettajoules.