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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Small bodies made of stone and/or metal found in the Solar System.
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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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the distance over which significant charge separation can occur in a conductive material or plasma due to a variety of effects.
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The science of mechanics that deals with the flight, behaviour, and effects of projectiles.
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related to scattering amplitudes.
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The Friedmann–Lemaître–Robertson–Walker metric is a solution to the Einstein equations in General Relativity. The FRW universe is a solution that represents an expanding universe with a time-dependent…
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