The Nature of Space and Time by Stephen Hawking, Roger Penrose
Publisher: arXiv 1994
ISBN/ASIN: 0691050848
Number of pages: 62
In these lectures Stephen Hawking and Roger Penrose put forward their related but rather different viewpoints on the nature of space and time. They speak alternately and give three lectures each, followed by a discussion on their different approaches. These are technical lectures, a basic knowledge of general relativity and quantum theory is assumed.
Science Physics Relativity & Gravitation Quantum Gravity