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Hyperspace: A Scientific Odyssey Through Parallel Universes, Time Warps, and the 10th Dimension
Michio Kaku: theoretical physics professor, graduated from Harvard, received his Ph.D. from University of California, Berkeley, authored several books, hosts weekly science radio program.
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Publisher: Doubleday
Published: New York, 1995

334 Pages with Illustration.
Hardcover Available, 1994 Edition

Official Reviews
Alumnus Peter Rapp '99, 07/20/99 Supplement Representative
New York Times Book Review
Kirkus Reviews, 02/15/94
Philadelphia Enquirer
Reader from Singapore, 10/25/98

From the Publisher :
    The first book-length exploration of the most exciting development in modern physics, the theory of 10-dimensional space. The theory of hyperspace, which Michio Kaku pioneered, may be the leading candidate for the Theory of Everything that Einstein spent the remaining years of his life searching for. Reviewer
    How many dimensions do you live in? Three? Maybe that's all your commonsense sense perception perceives, but there is growing and compelling evidence to suggest that we actually live in a universe of ten real dimensions. Kaku has written an extraordinarily lucid and thought-provoking exploration of the theoretical and empirical bases of a ten-dimensional universe and even goes so far as to discuss possible practical implications--such as being able to escape the collapse of the universe. Yikes. Highly Recommended.
New York Times Book Review
    Among the best of its genre to appear in recent years...Taking his material to the limit, Mr. Kaku speculates on how the universe might have begun--perhaps as a tear in the space-time of some other universe, or as a quantum particle that sprang into existence and then inflated to become a universe...What a wonderful adventure it is, trying to think the unthinkable!
Kirkus Reviews
    Kaku (Physics/CCNY) is the author (with Jennifer Trainer) of Beyond Einstein (1987) and of several popular volumes on advanced physics. He is also the host of a weekly radio program on modern science. Here, he offers a popular explanation of how the mathematics of higher dimensions underlies modern physical theories, notably the superstring hypothesis of how the universe is put together. The great problem confronting physics has been the building of a bridge between relativity and quantum theory: a single theory reconciling the two extremes of the very large and the very small. Relativity is proven beyond doubt on the scale of planets and galaxies; quantum theory applies to the microcosmic world of subatomic particles. Ever since Einstein, physicists have been trying, and failing, to combine the two into a GUT (Grand Unified Theory). Although it remains controversial among physicists and cosmologists, Kaku proffers superstring theory as the best approximation yet--but it requires acceptance of a counter-intuitive system in which our sensory world, hosting three dimensions of space and one of time, is only a small part of a universe containing ten dimensions (six of them undetectable by our limited senses). Higher dimensions, aka hyperspace, seem to some physicists the most consistent description of the universe we actually inhabit, and to others just one more futile attempt to unify relativity and quantum theory. Kaku admits the futility of visualizing a ten-dimensional universe with our three-dimensional mindset; in fact, he admits that the mathematics of superstring theory are so difficult that many of the key equations remain unsolved. But he effectively marshals examples from everyday experience and the labors of working scientists to illuminate current theories of how the universe really works (to the extent that anyone can understand it without working the equations), offering intelligent speculations on how time travel and faster-than-light travel might be possible. Kaku's explanations of the principles of superstring theory are lucid, lively, and full of entertaining glimpses of the researchers involved. A worthy successor to the popular physics texts of George Gamow, as thought-provoking as Stephen Hawking. -- Copyright ©1994, Kirkus Associates, LP. All rights reserved.
Philadelphia Enquirer
    A roller coaster of an intellectual ride through the extraordinary world of black holes, wormholes, parallel universes, higher dimensions, and time travel.
Reader from Singapore
    Great book but now out of date. I've noticed the rave reviews (some very recent) below don't take note of how the book was written in 1995 and is now discredited. (No discredit to Kaku personally, of course.) The various 10-Dimensional superstring theories have now been shown to be a minor part of a greater theory, 11-dimensional M-theory. No doubt Kaku will explain this too in due course, but until then remember the theory in this book's no longer valid.