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Relativity:
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Albert Einsteins classic guide to the theory of relativitywith insights from todays leading experts
This new edition of Relativitythe first updated version in over fifty yearsincludes a wealth of original material written by some of todays foremost scientific authorities. Bestselling author and physicist Roger Penrose puts Einsteins work in historical context and details major developments in relativity theory over subsequent years. Relativity expert Robert Geroch provides commentary on key aspects of the special and general theories; and historian David Cassidy explores the profound impact of Einsteins ideas on our culture at large. Now, over ninety years after its first publication, this definitive edition brings a classic text into the new millennium. [via]