From two of the world's great physicists--Stephen Hawking and Nobel laureate Roger Penrose--a lively debate about the nature of space and time

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.

Author: Stephen Hawking, Roger Penrose
Binding Type: Paperback
Publisher: Princeton University Press
Published: 09/22/2015
Series: Princeton Science Library
Pages: 160
Weight: 0.35lbs
Size: 8.40h x 5.50w x 0.50d
ISBN: 9780691168449
Revised Edition

About the Author
Stephen Hawking (1942-2018) was the Lucasian Professor of Mathematics Emeritus at the University of Cambridge. Roger Penrose is a Nobel Prize-winning physicist and the author of Cycles of Time and The Road to Reality (both Vintage). He is the Rouse Ball Professor of Mathematics Emeritus at the University of Oxford.