# Special Relativity

Einstein's Theory of Relativity Explained (Infographic) - By Karl Tate, Infographics Artist

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(Top) You see a beam of light go up, bounce off the mirror, and come straight down. (Bottom) Amber

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Why you can't travel at the speed of light - Einstein's theory of special relativity - A short history of equations

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Albert Einstein's equation for the General Theory of Relativity, on a red background. General relativity generalises special relativity and Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time, or spacetime.

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Einstein makes the list again with his formulas for special relativity, which describes how time and space aren't absolute concepts, but rather are relative depending on the speed of the observer. The equation above shows how time dilates, or slows down, the faster a person is moving in any direction. "The point is it's really very simple," said Bill Murray, a particle physicist at the CERN laboratory in Geneva. "There is nothing there an A-level student cannot do, no&n…

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