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Relativity: Einstein's Theory of Spacetime, Time Dilation, Gravity and Cosmology
Relativity Einstein's Theory of Spacetime Time Dilation Gravity and Cosmology Author:Albert Einstein The theory of relativity, explained by the greatest mind of the 20th century. Albert Einstein discusses the special and general theories of relativity, and the core concepts of modern cosmology, including time dilation, the spacetime continuum, and the energy-mass relationship, in simple non-mathematical terms.