Special relativity

Theory of interwoven space and time by Albert Einstein

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We include updates on Speed of light, Time dilation, Four-dimensional space, Mass–energy equivalence, Cherenkov radiation, Lorentz transformation, Minkowski space, Michelson–Morley experiment, Twin paradox, Length contraction, Lorentz factor, Energy–momentum relation, Klein–Gordon equation, Lorentz group, Relativistic Doppler effect, Covariant formulation of classical electromagnetism ... and more.

2024
Electromagnetic mass
Fedosin presented formulas for calculating four-momentum in curved space-time, offering a new perspective on the electromagnetic mass problem by examining stress-energy tensor components.
2011
Electromagnetic mass
Valery Morozov investigated the movement of a charged sphere, discovering a nonelectromagnetic energy flux with an impulse specifically related to the sphere's electromagnetic impulse.

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