EAN: 9780691168449

NATURE OF SPACE AND TIME - STEPHEN HAWKING STEP...

Einstein said that the most incomprehensible thing about the universe is that it is
comprehensible. But was he right? Can the quantum theory of fields and Einstein's general
theory of relativity  the two most accurate and successful theories in all of physics  be
united into a single quantum theory of gravity? Can quantum and cosmos ever be combined? In The
Nature of Space and Time  two of the world's most famous physicists--Stephen Hawking (A Brief
History of Time) and Roger Penrose (The Road to Reality)--debate these questions. The authors
outline how their positions have further diverged on a number of key issues  including the
spatial geometry of the universe  inflationary versus cyclic theories of the cosmos  and the
black-hole information-loss paradox. Though much progress has been made  Hawking and Penrose
stress that physicists still have further to go in their quest for a quantum theory of gravity.

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