" ""When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.? Dealing with the theory of relativity?special relativity and general relativity?and the considerations on the universe as a whole, this book gives an insight into the scientific theory about the relationship between space and time, the theory of gravitation, and the universe. A Nobel laureate, Einstein?s research and theories changed the world. First published in 1916, Relativity: The Special and the General Theory is regarded as the most significant work in modern physics. It continues to remain popular and highly influential. "" "