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167 relations: A priori and a posteriori, Abraham–Minkowski controversy, Acta Astronautica, Action at a distance, Advanced Propulsion Physics Laboratory, Alcubierre drive, American Institute of Aeronautics and Astronautics, Applied Physics Laboratory, Ars Technica, Astrium, Aviation Week & Space Technology, BAE Systems, Beam-powered propulsion, Boeing, Boeing Phantom Works, Boeing X-37, Brans–Dicke theory, Breakthrough Propulsion Physics Program, California Institute of Technology, Capacitor, Casimir effect, Cavity magnetron, Center of mass, China, China Academy of Space Technology, China Central Television, Closed system, Collimated light, Conservation of energy, Corona discharge, Crookes radiometer, CubeSat, De Broglie–Bohm theory, Dean drive, Department of Trade and Industry (United Kingdom), Dielectric, Discover (magazine), Earth's magnetic field, Electric potential, Electrolytic capacitor, Electromagnetic four-potential, Electromagnetic propulsion, Electromagnetic radiation, Electron, Engine test stand, EPL (journal), Evanescent field, Exotic matter, Exponential function, Field (physics), ..., Field propulsion, Fringe science, Frustum, Galinstan, Gawker Media, General relativity, Geomatics, Gilbert N. Lewis, Glenn Research Center, Gravitational potential, Gravity assist, Greg Egan, Hall-effect thruster, Harold G. White, Heat sink, Henry Cavendish, Hoyle–Narlikar theory of gravity, Impulse (physics), Inertia, Institution of Electrical Engineers, Interferometry, International Astronautical Congress, International Business Times, Ion thruster, ISM band, James F. Woodward, Jet Propulsion Laboratory, John C. Baez, Joint venture, Load cell, Lorentz covariance, Lorentz force, Mach's principle, Magnetic damping, Magnetohydrodynamics, Martin Tajmar, Mass–energy equivalence, Mathematical physics, Matt Visser, Maxwell's equations, Ministry of Defence, Momentum, NASA, Nature (journal), New Scientist, Newton's laws of motion, Normal mode, Northwestern Polytechnical University, Pair production, Parajet Skycar, Paramotor, PBS, Phase (waves), Phase-locked loop, Photon, Photon rocket, Pilot wave theory, Plasma (physics), Plasma propulsion engine, Polymer, Positron, Probability, Propellant, Pseudoscience, Quantum fluctuation, Quantum vacuum thruster, Radiation pressure, Radio frequency, Reaction (physics), Reactionless drive, RF power amplifier, Rocket engine, Salvation (TV series), Scalar field, Scalar–tensor theory, Science and Technology Daily, Science fiction, Scientific method, Sean M. Carroll, Siemens, Solar sail, Spacetime, Stiffness, Stochastic, Superconductivity, Symmetry (physics), Technology transfer, The Engineer (magazine), The Pentagon, The Space Show, Thermal expansion, Tiangong-2, Torr, Torsion constant, Torsion spring, Trumpet, Tsiolkovsky rocket equation, TU Dresden, University of California, Riverside, University of Connecticut, University of Plymouth, Unruh effect, Vacuum chamber, Vacuum flask, Vacuum state, Verification and validation, Virtual particle, Wave interference, Wave–particle duality, Weighing scale, Wheeler–Feynman absorber theory, White–Juday warp-field interferometer, Wired (magazine), Wired UK, Woodward effect, Working mass, Xi'an. Expand index (117 more) »
A priori and a posteriori
The Latin phrases a priori ("from the earlier") and a posteriori ("from the latter") are philosophical terms of art popularized by Immanuel Kant's Critique of Pure Reason (first published in 1781, second edition in 1787), one of the most influential works in the history of philosophy.
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Abraham–Minkowski controversy
The Abraham–Minkowski controversy is a physics debate concerning electromagnetic momentum within dielectric media.
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Acta Astronautica
Acta Astronautica is a monthly peer-reviewed scientific journal covering all fields of physical, engineering, life, and social sciences related to the peaceful scientific exploration of space.
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Action at a distance
In physics, action at a distance is the concept that an object can be moved, changed, or otherwise affected without being physically touched (as in mechanical contact) by another object.
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Advanced Propulsion Physics Laboratory
The Advanced Propulsion Physics Laboratory at NASA's Johnson Space Center, also known as "Eagleworks Laboratories", is a small research group investigating a variety of theories regarding new forms of spacecraft propulsion.
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Alcubierre drive
The Alcubierre drive or Alcubierre warp drive (or Alcubierre metric, referring to metric tensor) is a speculative idea based on a solution of Einstein's field equations in general relativity as proposed by Mexican theoretical physicist Miguel Alcubierre, by which a spacecraft could achieve apparent faster-than-light travel if a configurable energy-density field lower than that of vacuum (that is, negative mass) could be created.
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American Institute of Aeronautics and Astronautics
The American Institute of Aeronautics and Astronautics (AIAA) is a professional society for the field of aerospace engineering.
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Applied Physics Laboratory
The Johns Hopkins University Applied Physics Laboratory, commonly known as simply the Applied Physics Laboratory, or APL, located in Howard County, Maryland, near Laurel and Columbia, is a not-for-profit, university-affiliated research center (or UARC) employing 6,000 people.
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Ars Technica
Ars Technica (a Latin-derived term that the site translates as the "art of technology") is a website covering news and opinions in technology, science, politics, and society, created by Ken Fisher and Jon Stokes in 1998.
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Astrium
Astrium was an aerospace manufacturer subsidiary of the European Aeronautic Defence and Space Company (EADS) that provided civil and military space systems and services from 2006 to 2013.
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Aviation Week & Space Technology
Aviation Week & Space Technology, often abbreviated Aviation Week or AW&ST, is the flagship magazine of the Aviation Week Network.
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BAE Systems
BAE Systems plc is a British multinational defence, security, and aerospace company.
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Beam-powered propulsion
Beam-powered propulsion, also known as directed energy propulsion, is a class of aircraft or spacecraft propulsion that uses energy beamed to the spacecraft from a remote power plant to provide energy.
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Boeing
The Boeing Company is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide.
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Boeing Phantom Works
Boeing Phantom Works is the advanced prototyping arm of the defense and security side of The Boeing Company.
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Boeing X-37
The Boeing X-37, also known as the Orbital Test Vehicle (OTV), is a reusable uncrewed spacecraft.
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Brans–Dicke theory
In theoretical physics, the Brans–Dicke theory of gravitation (sometimes called the Jordan–Brans–Dicke theory) is a theoretical framework to explain gravitation.
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Breakthrough Propulsion Physics Program
The Breakthrough Propulsion Physics Project (BPP) was a research project funded by NASA from 1996-2002 to study various proposals for revolutionary methods of spacecraft propulsion that would require breakthroughs in physics before they could be realized.
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California Institute of Technology
The California Institute of Technology (abbreviated Caltech)The university itself only spells its short form as "Caltech"; other spellings such as.
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Capacitor
A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
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Casimir effect
In quantum field theory, the Casimir effect and the Casimir–Polder force are physical forces arising from a quantized field.
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Cavity magnetron
The cavity magnetron is a high-powered vacuum tube that generates microwaves using the interaction of a stream of electrons with a magnetic field while moving past a series of open metal cavities (cavity resonators).
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Center of mass
In physics, the center of mass of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero, or the point where if a force is applied it moves in the direction of the force without rotating.
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China
China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.
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China Academy of Space Technology
The China Academy of Space Technology (CAST) is a Chinese space agency and subordinate of China Aerospace Science and Technology Corporation (CASC).
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China Central Television
China Central Television (formerly Beijing Television), commonly abbreviated as CCTV, is the predominant state television broadcaster in the People's Republic of China.
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Closed system
A closed system is a physical system that does not allow certain types of transfers (such as transfer of mass and energy transfer) in or out of the system.
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Collimated light
Collimated light is light whose rays are parallel, and therefore will spread minimally as it propagates.
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Conservation of energy
In physics, the law of conservation of energy states that the total energy of an isolated system remains constant, it is said to be ''conserved'' over time.
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Corona discharge
A corona discharge is an electrical discharge brought on by the ionization of a fluid such as air surrounding a conductor that is electrically charged.
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Crookes radiometer
The Crookes radiometer, also known as a light mill, consists of an airtight glass bulb, containing a partial vacuum.
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CubeSat
A CubeSat (U-class spacecraft) is a type of miniaturized satellite for space research that is made up of multiples of 10×10×10 cm cubic units.
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De Broglie–Bohm theory
The de Broglie–Bohm theory, also known as the pilot wave theory, Bohmian mechanics, Bohm's interpretation, and the causal interpretation, is an interpretation of quantum mechanics.
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Dean drive
The Dean drive was a device created and promoted by inventor Norman Lorimer Dean (1902–1972) that he claimed to be a reactionless drive.
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Department of Trade and Industry (United Kingdom)
The Department of Trade and Industry (DTI) was a United Kingdom government department formed on 19 October 1970.
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Dielectric
A dielectric (or dielectric material) is an electrical insulator that can be polarized by an applied electric field.
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Discover (magazine)
Discover is an American general audience science magazine launched in October 1980 by Time Inc.
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Earth's magnetic field
Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from the Earth's interior out into space, where it meets the solar wind, a stream of charged particles emanating from the Sun.
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Electric potential
An electric potential (also called the electric field potential, potential drop or the electrostatic potential) is the amount of work needed to move a unit positive charge from a reference point to a specific point inside the field without producing any acceleration.
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Electrolytic capacitor
An electrolytic capacitor (e-cap) is a polarized capacitor whose anode or positive plate is made of a metal that forms an insulating oxide layer through anodization.
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Electromagnetic four-potential
An electromagnetic four-potential is a relativistic vector function from which the electromagnetic field can be derived.
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Electromagnetic propulsion
Electromagnetic propulsion (EMP), is the principle of accelerating an object by the utilization of a flowing electrical current and magnetic fields.
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Electromagnetic radiation
In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.
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Electron
The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.
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Engine test stand
An engine test stand is a facility used to develop, characterize and test engines.
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EPL (journal)
EPL is a peer-reviewed scientific journal published by EDP Sciences, IOP Publishing and the Italian Physical Society on behalf of the European Physical Society and 17 other European physical societies.
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Evanescent field
In electromagnetics, an evanescent field, or evanescent wave, is an oscillating electric and/or magnetic field that does not propagate as an electromagnetic wave but whose energy is spatially concentrated in the vicinity of the source (oscillating charges and currents).
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Exotic matter
In physics, exotic matter is matter that somehow deviates from normal matter and has "exotic" properties.
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Exponential function
In mathematics, an exponential function is a function of the form in which the argument occurs as an exponent.
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Field (physics)
In physics, a field is a physical quantity, represented by a number or tensor, that has a value for each point in space and time.
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Field propulsion
Field propulsion is the concept of spacecraft propulsion where no propellant is necessary but instead momentum of the spacecraft is changed by an interaction of the spacecraft with external force fields, such as gravitational and magnetic fields from stars and planets.
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Fringe science
Fringe science is an inquiry in an established field of study which departs significantly from mainstream theories in that field and is considered to be questionable by the mainstream.
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Frustum
In geometry, a frustum (plural: frusta or frustums) is the portion of a solid (normally a cone or pyramid) that lies between one or two parallel planes cutting it.
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Galinstan
Galinstan is a brand-name and a common name for a liquid metal alloy whose composition is part of a family of eutectic alloys mainly consisting of gallium, indium, and tin.
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Gawker Media
Gawker Media LLC (formerly Blogwire, Inc. and Gawker Media, Inc.) was an online media company and blog network.
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General relativity
General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915 and the current description of gravitation in modern physics.
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Geomatics
Geomatics (including geomatics engineering), also known as surveying engineering or geospatial science (including geospatial engineering and geospatial technology), is the discipline of gathering, storing, processing, and delivering geographic information or spatially referenced information.
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Gilbert N. Lewis
Gilbert Newton Lewis (October 25 (or 23), 1875 – March 23, 1946) was an American physical chemist known for the discovery of the covalent bond and his concept of electron pairs; his Lewis dot structures and other contributions to valence bond theory have shaped modern theories of chemical bonding.
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Glenn Research Center
NASA John H. Glenn Research Center at Lewis Field is a NASA center, located within the cities of Brook Park and Cleveland between Cleveland Hopkins International Airport and the Rocky River Reservation of Cleveland Metroparks, with a subsidiary facility in Sandusky, Ohio.
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Gravitational potential
In classical mechanics, the gravitational potential at a location is equal to the work (energy transferred) per unit mass that would be needed to move the object from a fixed reference location to the location of the object.
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Gravity assist
In orbital mechanics and aerospace engineering, a gravitational slingshot, gravity assist maneuver, or swing-by is the use of the relative movement (e.g. orbit around the Sun) and gravity of a planet or other astronomical object to alter the path and speed of a spacecraft, typically to save propellant and reduce expense.
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Greg Egan
Greg Egan (born 20 August 1961) is an Australian science fiction writer.
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Hall-effect thruster
In spacecraft propulsion, a Hall-effect thruster (HET) is a type of ion thruster in which the propellant is accelerated by an electric field.
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Harold G. White
Harold G. "Sonny" White is a mechanical engineer, aerospace engineer and applied physicist who is the Advanced Propulsion Team Lead for the NASA Engineering Directorate and is known for proposing new Alcubierre drive concepts and promoting advanced propulsion projects, under development at the NASA Johnson Space Center, including the first practical experiment to test the existence of Alcubierre drive effects.
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Heat sink
A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature at optimal levels.
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Henry Cavendish
Henry Cavendish FRS (10 October 1731 – 24 February 1810) was a British natural philosopher, scientist, and an important experimental and theoretical chemist and physicist.
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Hoyle–Narlikar theory of gravity
The Hoyle–Narlikar theory of gravity is a Machian and conformal theory of gravity proposed by Fred Hoyle and Jayant Narlikar that originally fits into the quasi steady state model of the universe.
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Impulse (physics)
In classical mechanics, impulse (symbolized by J or Imp) is the integral of a force, F, over the time interval, t, for which it acts.
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Inertia
Inertia is the resistance of any physical object to any change in its position and state of motion.
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Institution of Electrical Engineers
The Institution of Electrical Engineers (IEE, pronounced I-E-E) was a British professional organisation of electronics, electrical, manufacturing, and Information Technology professionals, especially electrical engineers.
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Interferometry
Interferometry is a family of techniques in which waves, usually electromagnetic waves, are superimposed causing the phenomenon of interference in order to extract information.
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International Astronautical Congress
Every year, the International Astronautical Federation together with the International Academy of Astronautics and the International Institute of Space Law (IISL), holds the International Astronautical Congress (IAC) which is hosted by one of the national society members of the IAF.
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International Business Times
The International Business Times is an American online news publication that publishes seven national editions and four languages.
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Ion thruster
An ion thruster or ion drive is a form of electric propulsion used for spacecraft propulsion.
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ISM band
The industrial, scientific and medical (ISM) radio bands are radio bands (portions of the radio spectrum) reserved internationally for the use of radio frequency (RF) energy for industrial, scientific and medical purposes other than telecommunications.
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James F. Woodward
James F. Woodward (born 1941) is a professor emeritus of history and an adjunct professor of physics at California State University, Fullerton.
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Jet Propulsion Laboratory
The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.
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John C. Baez
John Carlos Baez (born June 12, 1961) is an American mathematical physicist and a professor of mathematics at the University of California, Riverside (UCR) in Riverside, California.
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Joint venture
A joint venture (JV) is a business entity created by two or more parties, generally characterized by shared ownership, shared returns and risks, and shared governance.
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Load cell
A load cell is a transducer that is used to create an electrical signal whose magnitude is directly proportional to the force being measured.
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Lorentz covariance
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.
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Lorentz force
In physics (particularly in electromagnetism) the Lorentz force is the combination of electric and magnetic force on a point charge due to electromagnetic fields.
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Mach's principle
In theoretical physics, particularly in discussions of gravitation theories, Mach's principle (or Mach's conjecture) is the name given by Einstein to an imprecise hypothesis often credited to the physicist and philosopher Ernst Mach.
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Magnetic damping
Magnetic damping is a form of damping that occurs when a magnetic field (i.e. a magnet) travels some distance through or past an electrical conductor (or vice versa).
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Magnetohydrodynamics
Magnetohydrodynamics (MHD; also magneto-fluid dynamics or hydro­magnetics) is the study of the magnetic properties of electrically conducting fluids.
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Martin Tajmar
Martin Tajmar is a physicist and professor for Space Systems at the Dresden University of Technology.
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Mass–energy equivalence
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.
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Mathematical physics
Mathematical physics refers to the development of mathematical methods for application to problems in physics.
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Matt Visser
Matt Visser is a mathematics Professor at Victoria University of Wellington.
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Maxwell's equations
Maxwell's equations are a set of partial differential equations that, together with the Lorentz force law, form the foundation of classical electromagnetism, classical optics, and electric circuits.
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Ministry of Defence
A Ministry of Defence or Defense (see spelling differences), also known as a Department of Defence or Defense, is the common name for a part of the government found in states where the government is divided into ministries or departments, responsible for matters of defence.
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Momentum
In Newtonian mechanics, linear momentum, translational momentum, or simply momentum (pl. momenta) is the product of the mass and velocity of an object.
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NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
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Nature (journal)
Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.
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New Scientist
New Scientist, first published on 22 November 1956, is a weekly, English-language magazine that covers all aspects of science and technology.
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Newton's laws of motion
Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics.
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Normal mode
A normal mode of an oscillating system is a pattern of motion in which all parts of the system move sinusoidally with the same frequency and with a fixed phase relation.
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Northwestern Polytechnical University
Northwestern Polytechnical University (also known as NPU or NWPU;; Северо-западный политехнический университет) is a National Key University, directed by the Ministry of Industry and Information Technology of the People's Republic of China, located in Xi'an, Shaanxi, China.
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Pair production
Pair production is the creation of an elementary particle and its antiparticle from a neutral boson.
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Parajet Skycar
The Parajet SkyCar is a roadable aircraft (or PAV), now in production, developed by British paramotor manufacturer Parajet, a subsidiary of Gilo Industries.
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Paramotor
Paramotor is the generic name for the harness and propulsive portion of a powered paraglider ("PPG").
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PBS
The Public Broadcasting Service (PBS) is an American public broadcaster and television program distributor.
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Phase (waves)
Phase is the position of a point in time (an instant) on a waveform cycle.
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Phase-locked loop
A phase-locked loop or phase lock loop abbreviated as PLL is a control system that generates an output signal whose phase is related to the phase of an input signal.
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Photon
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).
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Photon rocket
A photon rocket is a hypothetical rocket that uses thrust from emitted photons (radiation pressure by emission) for its propulsion.
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Pilot wave theory
In theoretical physics, the pilot wave theory, also known as Bohmian mechanics, was the first known example of a hidden variable theory, presented by Louis de Broglie in 1927.
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Plasma (physics)
Plasma (Henry George Liddell, Robert Scott, A Greek English Lexicon, on Perseus) is one of the four fundamental states of matter, and was first described by chemist Irving Langmuir in the 1920s.
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Plasma propulsion engine
A plasma propulsion engine is a type of electric propulsion that generates thrust from a quasi-neutral plasma.
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Polymer
A polymer (Greek poly-, "many" + -mer, "part") is a large molecule, or macromolecule, composed of many repeated subunits.
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Positron
The positron or antielectron is the antiparticle or the antimatter counterpart of the electron.
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Probability
Probability is the measure of the likelihood that an event will occur.
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Propellant
A propellant or propellent is a chemical substance used in the production of energy or pressurized gas that is subsequently used to create movement of a fluid or to generate propulsion of a vehicle, projectile, or other object.
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Pseudoscience
Pseudoscience consists of statements, beliefs, or practices that are claimed to be both scientific and factual, but are incompatible with the scientific method.
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Quantum fluctuation
In quantum physics, a quantum fluctuation (or vacuum state fluctuation or vacuum fluctuation) is the temporary change in the amount of energy in a point in space, as explained in Werner Heisenberg's uncertainty principle.
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Quantum vacuum thruster
A quantum vacuum thruster (QVT or Q-thruster) is a theoretical system that uses the same principles and equations of motion that a conventional plasma thruster would use, namely magnetohydrodynamics (MHD), to make predictions about the behavior of the propellant.
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Radiation pressure
Radiation pressure is the pressure exerted upon any surface due to the exchange of momentum between the object and the electromagnetic field.
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Radio frequency
Radio frequency (RF) refers to oscillatory change in voltage or current in a circuit, waveguide or transmission line in the range extending from around twenty thousand times per second to around three hundred billion times per second, roughly between the upper limit of audio and the lower limit of infrared.
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Reaction (physics)
As described by the third of Newton's laws of motion of classical mechanics, all forces occur in pairs such that if one object exerts a force on another object, then the second object exerts an equal and opposite reaction force on the first.
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Reactionless drive
A reactionless drive is a device producing motion without the exhaust of a propellant.
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RF power amplifier
A radio frequency power amplifier (RF power amplifier) is a type of electronic amplifier that converts a low-power radio-frequency signal into a higher power signal.
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Rocket engine
A rocket engine uses stored rocket propellant mass for forming its high-speed propulsive jet.
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Salvation (TV series)
Salvation is an American suspense drama television series, that premiered on July 12, 2017.
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Scalar field
In mathematics and physics, a scalar field associates a scalar value to every point in a space – possibly physical space.
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Scalar–tensor theory
In theoretical physics, a scalar–tensor theory is a theory that includes both a scalar field and a tensor field to represent a certain interaction.
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Science and Technology Daily
Science and Technology Daily (科技日报, Keji Ribao) is the official newspaper of the Ministry of Science and Technology of the People's Republic of China.
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Science fiction
Science fiction (often shortened to Sci-Fi or SF) is a genre of speculative fiction, typically dealing with imaginative concepts such as advanced science and technology, spaceflight, time travel, and extraterrestrial life.
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Scientific method
Scientific method is an empirical method of knowledge acquisition, which has characterized the development of natural science since at least the 17th century, involving careful observation, which includes rigorous skepticism about what one observes, given that cognitive assumptions about how the world works influence how one interprets a percept; formulating hypotheses, via induction, based on such observations; experimental testing and measurement of deductions drawn from the hypotheses; and refinement (or elimination) of the hypotheses based on the experimental findings.
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Sean M. Carroll
Sean Michael Carroll (born October 5, 1966) is a cosmologist and physics professor specializing in dark energy and general relativity.
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Siemens
Siemens AG is a German conglomerate company headquartered in Berlin and Munich and the largest industrial manufacturing company in Europe with branch offices abroad.
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Solar sail
Solar sails (also called light sails or photon sails) are a proposed method of spacecraft propulsion using radiation pressure exerted by sunlight on large mirrors.
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Spacetime
In physics, spacetime is any mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum.
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Stiffness
Stiffness is the rigidity of an object — the extent to which it resists deformation in response to an applied force.
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Stochastic
The word stochastic is an adjective in English that describes something that was randomly determined.
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Superconductivity
Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors, when cooled below a characteristic critical temperature.
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Symmetry (physics)
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.
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Technology transfer
Technology transfer, also called transfer of technology (TOT), is the process of transferring (disseminating) technology from the places and ingroups of its origination to wider distribution among more people and places.
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The Engineer (magazine)
The Engineer is a London-based monthly magazine covering the latest developments and business news in engineering and technology in the UK and internationally.
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The Pentagon
The Pentagon is the headquarters of the United States Department of Defense, located in Arlington County, Virginia, across the Potomac River from Washington, D.C. As a symbol of the U.S. military, The Pentagon is often used metonymically to refer to the U.S. Department of Defense.
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The Space Show
The Space Show is a biweekly Internet radio talk show, presented by David Livingston, about space commerce and exploration that is also available archived online as a podcast.
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Thermal expansion
Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in temperature.
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Tiangong-2
Tiangong-2 is a Chinese space laboratory and part of the Project 921-2 space station program.
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Torr
The torr (symbol: Torr) is a unit of pressure based on an absolute scale, now defined as exactly of a standard atmosphere (101.325 kPa).
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Torsion constant
The torsion constant is a geometrical property of a bar's cross-section which is involved in the relationship between angle of twist and applied torque along the axis of the bar, for a homogeneous linear-elastic bar.
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Torsion spring
A torsion spring is a spring that works by torsion or twisting; that is, a flexible elastic object that stores mechanical energy when it is twisted.
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Trumpet
A trumpet is a brass instrument commonly used in classical and jazz ensembles.
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Tsiolkovsky rocket equation
The Tsiolkovsky rocket equation, classical rocket equation, or ideal rocket equation, describes the motion of vehicles that follow the basic principle of a rocket: a device that can apply acceleration to itself using thrust by expelling part of its mass with high velocity and thereby move due to the conservation of momentum.
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TU Dresden
The TU Dresden (abbreviated as TUD and often mistakenly translated from German as Dresden University of Technology) is a public research university, the largest institute of higher education in the city of Dresden, the largest university in Saxony and one of the 10 largest universities in Germany with 37,134 students.
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University of California, Riverside
The University of California, Riverside (UCR or UC Riverside), is a public research university and one of the 10 general campuses of the University of California system.
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University of Connecticut
The University of Connecticut (UConn) is a public land grant, National Sea Grant and National Space Grant research university in Storrs, Connecticut, United States.
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University of Plymouth
The University of Plymouth is a public university based predominantly in Plymouth, England where the main campus is located, but the university has campuses and affiliated colleges across South West England.
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Unruh effect
The Unruh effect (or sometimes Fulling–Davies–Unruh effect) is the prediction that an accelerating observer will observe blackbody radiation where an inertial observer would observe none.
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Vacuum chamber
A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump.
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Vacuum flask
A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that greatly lengthens the time over which its contents remain hotter or cooler than the flask's surroundings.
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Vacuum state
In quantum field theory, the quantum vacuum state (also called the quantum vacuum or vacuum state) is the quantum state with the lowest possible energy.
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Verification and validation
Verification and validation are independent procedures that are used together for checking that a product, service, or system meets requirements and specifications and that it fulfills its intended purpose.
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Virtual particle
In physics, a virtual particle is a transient fluctuation that exhibits some of the characteristics of an ordinary particle, but whose existence is limited by the uncertainty principle.
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Wave interference
In physics, interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude.
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Wave–particle duality
Wave–particle duality is the concept in quantum mechanics that every particle or quantic entity may be partly described in terms not only of particles, but also of waves.
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Weighing scale
Weighing scales (or weigh scales or scales) are devices to measure weight.
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Wheeler–Feynman absorber theory
The Wheeler–Feynman absorber theory (also called the Wheeler–Feynman time-symmetric theory), named after its originators, the physicists Richard Feynman and John Archibald Wheeler, is an interpretation of electrodynamics derived from the assumption that the solutions of the electromagnetic field equations must be invariant under time-reversal transformation, as are the field equations themselves.
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White–Juday warp-field interferometer
The White–Juday warp-field interferometer is an experiment designed to detect a microscopic instance of a warping of spacetime.
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Wired (magazine)
Wired is a monthly American magazine, published in print and online editions, that focuses on how emerging technologies affect culture, the economy, and politics.
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Wired UK
Wired UK is a full-colour monthly magazine that reports primarily on the effects of science and technology.
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Woodward effect
The Woodward effect, also referred to as a Mach effect, is part of a hypothesis proposed by James F. Woodward in 1990.
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Working mass
Working mass, also referred to as reaction mass, is a mass against which a system operates in order to produce acceleration.
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Xi'an
Xi'an is the capital of Shaanxi Province, China.
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Redirects here:
Cannae Drive, Cannae drive, EM Drive, EM drive, EMDrive, EMdrive, Em Drive, Em drive, EmDrive, Emdrive, Impossible Drive, Impossible Space Drive, Magnetoplasmadynamic RF thruster, Microwave resonant cavity thruster, Radio frequency resonant cavity thruster, Relativity drive, Roger J. Shawyer, Roger Shawyer, Shawyer theory.
References
[1] https://en.wikipedia.org/wiki/RF_resonant_cavity_thruster
