Let's try to Understand the Theory of Relativity

Einstein’s theory of special relativity includes electricity and magnetism in a simple, logical extension of the relativity of Galileo and Newton. Its conclusions, including time dilation, length contraction, and E=mc2 have changed profoundly our ideas of time and space, matter and energy.

Find more at http://www.phys.unsw.edu.au/einsteinlight/

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