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  1. Sep 9, 2024 · E = mc 2, equation in German-born physicist Albert Einstein’s theory of special relativity that expresses the fact that mass and energy are the same physical entity and can be changed into each other.

    • Kinetic Energy

      This formula is valid only for low to relatively high...

    • Albert Einstein

      Albert Einstein (born March 14, 1879, Ulm, Württemberg,...

    • Nuclear Fusion

      Nuclear fusion, process by which nuclear reactions between...

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  3. Technically, general relativity is a theory of gravitation whose defining feature is its use of the Einstein field equations. The solutions of the field equations are metric tensors which define the topology of the spacetime and how objects move inertially.

  4. A comprehensive list of equations in the theory of special relativity, including postulates, kinematics, metric, four-vectors, and Doppler shift. Learn the definitions, derivations, and applications of the equations with examples and diagrams.

  5. Jul 31, 2024 · Relativity, wide-ranging physical theories formed by the German-born physicist Albert Einstein. Special relativity is limited to objects that are moving with respect to inertial frames of reference. General relativity is concerned with gravity, one of the fundamental forces in the universe.

  6. General relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics.

  7. Sep 15, 2021 · Learn how Einstein's equation relates spacetime curvature to matter and energy in plain English. Discover the 16 equations behind the famous equation and how they describe gravity as a geometric phenomenon.

  8. Feb 1, 2022 · Learn how Einstein's 1905 theory explains how speed affects mass, time and space, and how it leads to the famous equation E = mc^2. Explore the history, implications and examples of special relativity, and how it differs from general relativity.

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