A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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The application of physics to the built environment, particularly with regard to the movement of heat, air, moisture, pollutants and light through buildings.
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Energy Use* in questions having to do with processes or engines or constructions where energy is spent or transfered and the efficiency thereof. Efficiency means both the measur…
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an approach to spacetime focused on null (light-like) geodesics, instead of points (events).
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the final stage of a nonlinearly steepening wave that has reached a balance between steepening and energy dissipation resulting in a discontinuity.
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a hypothetical form of radioactive decay in which the proton decays into lighter subatomic particles. There is currently no experimental evidence that proton decay.
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a difficult technical problem that limits the usability of renewable sources of energy to replace traditional fossil fuel sources
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Pieces of stone or metal originating elsewhere in the Solar System that have fallen through the atmosphere.
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if a more descriptive tag applies.
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A theory of interacting fields of arbitrary spin. Generalizes Yang-Mills as a theory of spin-one, gravity as a theory of spin-two to fields of any spin.
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the study of quantum effects on small cavities, manifested in variations in the lifetimes of unstable energy levels
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For questions about epistemology in the context of physics - what knowledge is, and how we arrive at it.
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a vast field of research at the interfaces between physics, chemistry and biology. It consists in the study of the physical properties of composite objects described by a characteristic…
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The Green-Schwarz formalism, or the superspace-formalism, are formalisms for supersymmetry with explicit spacetime supersymmetry.
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