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{{Short description|Hypothetical particle in gravity theories}} ...''gravivector''' is a hypothetical particle which emerges as an excitation of the [[metric tensor]] (i.e. gravitational field) in spacetime dimensions hi ...

...early history and philosophy of electromagnetism|the modern use of "lines of force" as a way to depict electromagnetic and other vector fields|Field lin ...t led to more mathematically and experimentally sophisticated concepts and theories, including Maxwell's equations, electromagnetic waves, and Einstein's relat ...

...en <math>X</math> is a [[world manifold]] and, in particular, gauge theory of the [[fifth force]]. ...ion functions. It is associated to a [[principal bundle]] <math>AFX</math> of affine frames in tangent space over <math>X</math>, whose [[fiber bundle|st ...

...pressure evolution of uniform density star.png|thumb|right|300px|Evolution of central pressure against compactness (radius over mass) for a uniform densi ...ting the centenary of the Schwarzschild solutions|journal=American Journal of Physics|volume=84 |issue=537 |doi=10.1119/1.4944031|hdl=10642/4278|hdl-acce ...

{{Short description|Type of observable in a physical system}} ...ope to the [[Invariant (mathematics)|mathematical definition]]. Invariants of a system are deeply tied to the symmetries imposed by its environment. ...

...objects that are separated in space. [[Coulomb's law]] and [[Newton's law of universal gravitation]] are based on action at a distance. ...gnetism]], the [[strong interaction]] and the [[weak interaction]]) in all of physics are not described by action at a distance. ...

...romagnetism]] or the [[strong nuclear force|nuclear forces]]) with a range of anywhere from less than a millimeter to cosmological scales. Another propos ...o |year=2012 |title=Natural quintessence in string theory |journal=Journal of Cosmology and Astroparticle Physics |volume=2012 |issue=7 |page=044 |arxiv= ...

{{short description|Concept that there might be more than one dimension of time}} The possibility that there might be '''more than one dimension of time''' has occasionally been discussed in [[physics]] and [[philosophy]]. ...

{{Short description|Overview of and topical guide to physics}} {{see also|Index of physics articles}} ...

{{Short description|Interpretation of electrodynamics}} ...ulated by the Lorentz-invariant [[Action (physics)|action]] <math>S</math> of [[World line|particle trajectories]] <math> a^\mu(\tau),\,\, b^\mu(\tau),\, ...

[[File:VFPt charges plus minus thumb.svg|220px|thumb|right|Illustration of the electric field surrounding a positive (red) and a negative (blue) charg ...ector fields]] at each point in spacetime, or as a [[Covariant formulation of classical electromagnetism|single-rank 2-tensor]] field.<ref>[https://youtu ...

{{Short description|Theories trying to extend known physics}} ...ation]]s, [[baryon asymmetry|matter–antimatter asymmetry]], and the nature of [[dark matter]] and [[dark energy]].<ref name=sym-v2-feb-05>{{cite web ...

{{About|the principle of locality in physics|other uses of locality|Locality (disambiguation)}} ...e]]. Locality evolved out of the [[Classical field theory|field theories]] of [[classical physics]]. The idea is that for a cause at one point to have an ...

{{Short description|Property of a mathematical space}} ...out|the dimension of a space|the dimension of an object|size|the dimension of a quantity|Dimensional analysis|other uses|Dimension (disambiguation)}} ...

{{Short description|Framework of distances and directions}} {{about|the general framework of distance and direction|the space beyond Earth's atmosphere|Outer space|the ...

{{Short description|Theories proposing consciousness as an electromagnetic phenomenon}} '''Electromagnetic theories of consciousness''' propose that [[consciousness]] can be understood as an [[e ...

{{short description|Hypothesis proposing a modification of Newton's laws}} ...xplaining why galaxies do not appear to obey the currently understood laws of physics. ...

{{Short description|Work being continuously done without an external input of energy}} ...m-center to top-right) to pump water to refill the tank. The rotary motion of the water wheel also drives two grinding wheels (bottom-right) and is shown ...

{{Short description|Way of representing external reality within one's mind}} {{Distinguish|text=a [[cognitive model]] in the sense of a model of cognition's operation}} ...

{{Short description|Law of physics and chemistry}} {{About|the law of conservation of energy in physics |sustainable energy resources|Energy conservation}} ...