Download or read book Relativity written by Albert Einstein and published by Red & Black Pub. This book was released on 2009-01 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.