Albert Einstein

Relativity: The Special and General Theory


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This is an introduction to Einstein’s space-bending, time-stretching theory of Relativity, written by the master himself. Special and Genera…

Sidelights on Relativity


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Sidelights on Relativity contains ETHER AND THE THEORY OF RELATIVITY, an address delivered on May 5th, 1920, in the University of Leyden; an…