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Publisher's Summary

Is our universe dying?
Could there be other universes?
In Parallel Worlds, world-renowned physicist and best-selling author Michio Kaku - an author who "has a knack for bringing the most ethereal ideas down to earth" (Wall Street Journal) - takes listeners on a fascinating tour of cosmology, M-theory, and its implications for the fate of the universe.
In his first book of physics since Hyperspace, Michio Kaku begins by describing the extraordinary advances that have transformed cosmology over the last century and particularly over the last decade, forcing scientists around the world to rethink our understanding of the birth of the universe and its ultimate fate. In Dr. Kaku's eyes, we are living in a golden age of physics, as new discoveries from the WMAP and COBE satellites and the Hubble space telescope have given us unprecedented pictures of our universe in its infancy.
As astronomers wade through the avalanche of data from the WMAP satellite, a new cosmological picture is emerging. So far the leading theory about the birth of the universe is the "inflationary universe theory", a major refinement on the big bang theory. In this theory our universe may be but one in a multiverse, floating like a bubble in an infinite sea of bubble universes, with new universes being created all the time. A parallel universe may well hover a mere millimeter from our own.
The very idea of parallel universes and the string theory that can explain their existence was once viewed with suspicion by scientists, seen as the province of mystics, charlatans, and cranks. But today physicists overwhelmingly support string theory and its latest iteration, M-theory, as it is this one theory that, if proven correct, would reconcile the four forces of the universe simply and elegantly and answer the question "what happened before the big bang?"
Already, Kaku explains, the world's foremost physicists and astronomers are searching for ways to test the theory of the multiverse using highly sophisticated wave detectors, gravity lenses, satellites, and telescopes. The implications of M-theory are fascinating and endless. If parallel worlds do exist, Kaku speculates, in time - perhaps a trillion years or more from now, as appears likely - when our universe grows cold and dark in what scientists describe as a big freeze, advanced civilizations may well find a way to escape our universe in a kind of "interdimensional lifeboat".
An unforgettable journey into black holes and time machines, alternate universes, and multidimensional space, Parallel Worlds gives us a compelling portrait of the revolution sweeping the world of cosmology.
Β©2006 Michio Kaku (P)2016 Random House Audio
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Critic Reviews

"In Parallel Worlds, Michio Kaku brings his formidable explanatory talents to bear on one of the strangest and most exciting possibilities to have emerged from modern physics: that our universe may be but one among many, perhaps infinitely many, arrayed in a vast cosmic network. With deft use of analogy and humor, Kaku patiently introduces the reader to variations on this theme of parallel universes, coming from quantum mechanics, cosmology, and most recently, M-theory. Read this book for a wonderful tour, with an expert guide, of a cosmos whose comprehension forces us to stretch to the very limits of imagination." (Brian Greene, Professor of Theoretical Particle Physics, Columbia University, and author of The Fabric of the Cosmos and The Elegant Universe)
"Those who might enjoy a tour of cosmology, time travel, string theory, and the universe in 10 or 11 dimensions will find no better guide than Michio Kaku, a rare individual who has undertaken research in these subject areas yet also knows well how to present this intriguing, complex material in an engaging and easily assimilable style." (Donald Goldsmith, author of The Runaway Universe and Connecting with the Cosmos)
"A highly readable and exhilarating romp through the frontiers of cosmology." (Martin Rees, author of Our Cosmic Habitat and Our Final Century)
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Customer Reviews

Most Helpful
5 out of 5 stars
By Nicolas on 09-20-16

excellent book

the author covered a very wide horizon of cosmology with related subjects of quantum physics, relativity and other theories. he explains also the latest quantum theories like string theory, super symmetry and M theories that could be considered as the unified theories and their impact on cosmology. he also talks a lot about the future of humanity and the options that humanity would have to survive. very captivating.

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3 of 3 people found this review helpful

3 out of 5 stars
By SD on 09-04-16

Certainly provides some enlightening perspectives

I bought this book based on readers' comments and it fulfilled my needs to learn more. I thought the narrator did a fine job with a complex subject. I thought the first 3/4s of the book were at the right level and interesting but the last 1/4 of the book it seem to lose momentum on the subject and honestly I couldn't wait till it ended. Any time there were discussions on math, although it was probably fairly simple stuff, I found it hard to grasp without visually "seeing" it as I listened to the book in the car.

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3 of 3 people found this review helpful

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Customer Reviews

Most Helpful
5 out of 5 stars
By Ergonet on 09-08-16

Insight into Nature of that thing we live in

Much of the content is covered by similar volumes, but it is a mammoth summary of the state of cosmological play. Particularly strong on the long term future, it wil pose some awkward questions for those who believe supernatural deities designed it. Whether it is true or not, it is remarkable that a recently evolved primate has come up with these ideas, especially in a short femto period in the age of the universe.

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5 of 5 people found this review helpful

5 out of 5 stars
By mcsmall on 11-06-16

Fascinating !

Michio Kaku has the ability to explain complex issues in cosmology in an accessible manner; this is mind boggling stuff which is totally absorbing .
The soft trans Atlantic narration by Marc Vietor was just right .

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2 of 2 people found this review helpful

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Customer Reviews

Most Helpful
5 out of 5 stars
By David on 03-17-18

Brilliant understandable summary of universes

comprehensive, non complex and never boring...although many times i replayed paragrapghs to grasp deeper understanding. Wonderful afterword too about the meaning of our universe and our place in it. thank you!

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5 out of 5 stars
By PerryO on 08-29-17

Very Good "read" , thought provoking !! D Pez πŸ˜†

Inspiring book. totally enjoyed . very thought provoking and interesting information
I will recommend it to All.
Pez πŸ’₯πŸ’₯πŸ’₯πŸ’₯πŸ’₯

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