- Reading level: 18+ years
- Paperback: 400 pages
- Publisher: Penguin Books (1 August 1998)
- Language: English
- ISBN-10: 014027541X
- ISBN-13: 978-0140275414
- Product Dimensions: 13.7 x 2.1 x 20.3 cm
- Average Customer Review: 3 customer reviews
- Amazon Bestsellers Rank: #2,52,184 in Books (See Top 100 in Books)
The Fabric of Reality: The Science of Parallel Universes--and Its Implications Paperback – 1 Aug 1998
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About the Author
David Deutsch, internationally acclaimed for his seminal publications on quantum computation, is a member of the Quantum Computation and Cryptography Research Group at the Clarendon Laboratory, Oxford University.
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This book does not even attempt to do this.
It is merely a discussion on several general topics selected in a haphazard way. Even those discussions do not appear to have any depth and deep insight. Even after reading this book, you would not have a better understanding of what this universe with all its varied contents is all about and how it operates.
Most helpful customer reviews on Amazon.com
I must highly recommend this book as required reading to anyone who has ever decided to belive in something just because someone else said it was true (hint - religous writings) without offering the rock kicking experiment to prove it.
The chapter on epistemology is excellent. He concludes that a successful theory must have explanatory power and must satisfy evidence that refutes all prior theories. He does a good but incomplete job of illustrating the explanatory power of many-worlds, failing to show how many-worlds explains the EPR results. Unfortunately he ignores all competent existing theories.
Indeterminism and wavefunction collapse are not required by QM. They are merely interpretations. Wavefunction collapse in particular is not required to explain the double-slit results because the virtual particles (another interpretation) that constitute the wavefunction are not observable and have no relation to the new entity that results from a "measurement" interaction. The EPR experiments assert that "hidden variables" havc been eliminated, but indeterminacy is still not proven. Deutsch rightfully proclaims many-worlds superior to one interpretation of QM, based solely on the double-slit results, but he fails to mention alternatives.
The most compelling evidence is the idea that a quantum computer could make computations requiring >10^500 parallel universes. IF such a computation is performed, it may be difficult to explain in any other way, but it has not been done and the obstacles may be fundamental.
He asserts that all worlds in the multiverse must follow the same physical laws. There are many more worlds out there that fit in his philosophy. We know our particular laws result from post-Big-Bang broken symmetries and that event itself was not a pristine Perfect Form. What does Deutsch mean by "laws of physics"? Is his interpretation that there are many multiverses?
I had great hopes for the chapter on time, but his writing style is sometimes impenetrable and it came across as hand-waving.
If Richard Feynman liked many-worlds, it must be right. Deutsch should try again, in collaboration with a scientifically literate writer.