Three Roads To Quantum Gravity

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Basic Books, Mar 18, 2008 - Science - 256 pages
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"It would be hard to imagine a better guide to this difficult subject."--Scientific American
In Three Roads to Quantum Gravity, Lee Smolin provides an accessible overview of the attempts to build a final "theory of everything." He explains in simple terms what scientists are talking about when they say the world is made from exotic entities such as loops, strings, and black holes and tells the fascinating stories behind these discoveries: the rivalries, epiphanies, and intrigues he witnessed firsthand.

"A mix of science, philosophy and science fiction, [this] is at once entertaining, thought-provoking, fabulously ambitious and fabulously speculative." -The New York Times

"Provocative, original, and unsettling." -The New York Review of Books

"An excellent writer, a creative thinker."-Nature
 

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User Review  - pbenson92025 - LibraryThing

I liked parts of this book, as it introduced some new ideas that I had not been exposed to. On the other hand, I miust not have been paying attention because he lost me at several crucial points and ... Read full review

LibraryThing Review

User Review  - sthitha_pragjna - LibraryThing

Lee Smolin is one of those physicists who can explain in lucid prose the motivation of his research. Having pioneered loop quantum gravity, he has written a book which is laid out logically and ... Read full review

Contents

Title Page Dedication Acknowledgements PROLOGUE
POINTS OF DEPARTURE
THERE IS NOTHING OUTSIDE THE UNIVERSE
IN THE FUTURE WE SHALL KNOW MORE
MANY OBSERVERS NOT MANY WORLDS
THE UNIVERSE IS MADE OF PROCESSES NOT THINGS
WHAT WE HAVE LEARNED
BLACK HOLES AND HIDDEN REGIONS
AREA AND INFORMATION
HOW TO COUNT SPACE
KNOTS LINKS AND KINKS
THE SOUND OF SPACE IS ASTRING
THE PRESENT FRONTIERS
THE HOLOGRAPHIC PRINCIPLE
HOW TO WEAVE A STRING
WHAT CHOOSES THE LAWS OF NATURE?

ACCELERATION AND HEAT
BLACK HOLES ARE

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About the author (2008)

Lee Smolin is a theoretical physicist who has been since 2001 a founding and senior faculty member at Perimeter Institute for Theoretical Physics. Fellow of the American Physical Society and of the Royal Society of Canada, Smolin was awarded the 2009 Klopsteg Memorial Award from the American Association of Physics Teachers and in 2008 was voted 21st on a list of the 100 most influential public intellectuals by Prospect and Foreign Policy Magazines. He is again on that list in 2015. This year Marina Cortes and he were also awarded the Inaugural Buchalter Cosmology Prize. He is the author of more than 150 scientific papers and numerous essays and writings for the public on science, as well as four books.

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