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The Hidden Reality

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Language  English
Pages  384 pp.
Originally published  25 January 2011
Genre  Non-fiction
Subject  Multiverse

Publication date  January 25, 2011
ISBN  978-0307265630
Author  Brian Greene
Publisher  Alfred A. Knopf
Country  United States of America
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Media type  Print, e-book, audiobook
Preceded by  Icarus at the Edge of Time
Similar  Works by Brian Greene, Non-fiction books, Astronomy books

The hidden reality parallel universes and the deep laws of the cosmos

The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos is a book by Brian Greene published in 2011 which explores the concept of the multiverse and the possibility of parallel universes. It has been nominated for the Royal Society Winton Prize for Science Books for 2012.



In his book, Greene discussed nine types of parallel universes:

  • The quilted multiverse conditions in an infinite universe necessarily repeat across space, yielding parallel worlds.
  • The inflationary multiverse says that eternal cosmological inflation yields an enormous network of bubble universes, of which our universe would be one.
  • The brane multiverse states that in M-theory, in the brane world scenario, our universe exists on one three-dimensional brane, which floats in a higher dimensional expanse potentially populated by other branes - other parallel universes.
  • The cyclic multiverse is saying that collisions between braneworlds can manifest as big bang - like beginnings, yielding universes that are parallel in time.
  • The landscape multiverse states that by combing inflationary cosmology and string theory, the many different shapes for string theory's extra dimensions give rise to many different bubble universes.
  • The quantum multiverse creates a new universe when a diversion in events occurs, as in the many-worlds interpretation of quantum mechanics.
  • The holographic multiverse is derived from the theory that the surface area of a space can simulate the volume of the region.
  • The simulated multiverse implies that technological leaps suggest that the universe is just a simulation.
  • The ultimate multiverse is the ultimate theory, saying the principle of fecundity asserts that every possible universe is a real universe, thereby obviating the question of why one possibility - ours - is special. These universes instantiate all possible mathematical equations.
  • Reception

  • Timothy Ferris reports in the review in The New York Times Book Review that “If extraterrestrials landed tomorrow and demanded to know what the human mind is capable of accomplishing, we could do worse than to hand them a copy of this book.”
  • Anthony Doerr, in his On Science column of the Boston Globe, wrote that "Greene might be the best intermediary I’ve found between the sparkling, absolute zero world of mathematics and the warm, clumsy world of human language." Doerr praised Greene's use of analogies to explain the complex phenomena of parallel universes.
  • John Gribbin, in the Wall Street Journal, declared that The Hidden Reality was "Mr. Greene's weakest book", but conceded that Greene's earlier books "left him with such high standards to live up to that this is not really surprising." Gribbin also criticized the lack of depth on certain subjects, such as M-theory and the interactions of three-dimensional universes.
  • Publishers Weekly hails The Hidden Reality “An in-depth yet marvelously accessible look inside the perplexing world of modern theoretical physics and cosmology . . . Greene presents a lucid, intriguing, and triumphantly understandable state-of-the-art look at the universe.”(Starred review)
  • Janet Maslin, The New York Times claims “Mr. Greene has a gift for elucidating big ideas . . . Exciting and rewarding . . . [The Hidden Reality] captures and engages the imagination.”
  • John Horgan. Scientific American "Is speculation in multiverses as immoral as speculation in subprime mortgages?." "Horgan’s exasperation with seeing the multiverse heavily promoted by famous physicists appears to have more to do with the idea that this is a retreat by physicists from engagement with the real world, something morally obtuse in an era of growing problems that scientists could help address."
  • Lee Smolin "... discussions of a multiverse containing infinite numbers of copies of ourselves behaving slightly differently made him uneasy for moral reasons. The worry is that one might be led to stop caring that much about the implications of one’s actions. After all, whatever mistake you make, in some other infinite number of universes, you didn’t do it."
  • Peter Woit "My own moral concerns about the multiverse have more to do with worry that pseudo-science is being heavily promoted to the public, leading to the danger that it will ultimately take over from science, first in the field of fundamental physics, then perhaps spreading to others.
  • Popular culture

    The book and its author were featured on the television series The Big Bang Theory in episode 20 of season 4, "The Herb Garden Germination".


    The Hidden Reality Wikipedia

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