Parallel Worlds (book)

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Parallel Worlds
Parallel Worlds Kaku 2004.jpg
First edition cover art
Author Michio Kaku
Country United States
Language English
Subject Physics
Genre Popular science
Publisher Doubleday
Publication date
December 28, 2004
Media type Print (Hardcover)
Pages 428
ISBN 978-0385509862
LC Class QB981 .K134 2005
Preceded by Visions (book)
Followed by Physics of the Impossible

Parallel Worlds: A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos is a popular science book by Michio Kaku first published in 2004.[1]


  • Acknowledgements
  • Preface

Part I: The Universe[edit]

  • Chapter One: Baby Pictures of the Universe
  • Chapter Two: The Paradoxical Universe
  • Chapter Three: The Big Bang
  • Chapter Four: Inflation and Parallel Universes

Part II: The Multiverse[edit]

  • Chapter Five: Dimensional Portals and Time Travel
  • Chapter Six: Parallel Quantum Universes
  • Chapter Seven: M-Theory: The Mother of All Strings
  • Chapter Eight: A Designer Universe?
  • Chapter Nine: Searching for Echoes from the Eleventh Dimension

Part III: Escape into Hyperspace[edit]

  • Chapter Ten: The End of Everything
  • Chapter Eleven: Escaping the Universe
  • Chapter Twelve: Beyond the Multiverse
  • Notes
  • Glossary
  • Recommended Reading
  • Index


From the back of the book:

In this thrilling journey into the mysteries of our cosmos, bestselling author Michio Kaku takes us on a dizzying ride to explore black holes and time machines, multidimensional space and, most tantalizing of all, the possibility that parallel universes may lie alongside our own. Kaku skillfully guides us through the latest innovations in string theory and its most recent iteration, M-theory, which posits that our universe may be just one in an endless multiverse, a singular bubble floating in a sea of infinite bubble universes. If M-theory is proven correct, we may perhaps finally find an answer to the question, "What happened before the big bang?" This is an exciting and unforgettable introduction to the cutting-edge theories of physics and cosmology from one of the preeminent voices in the field.


In Parallel Worlds, Kaku presents many of the leading theories in physics; from Newtonian physics to Relativity to Quantum Physics to String theory and even into the newest version of string theory, called M-theory. He makes available to the reader a comprehensive description of many of the more compelling theories in physics, including many interesting predictions each theory makes, what physicists, astronomers, and cosmologists are looking for now and what technology they are using in their search.


Scarlett Thomas writing for The Independent calls Parallel Worlds "absolutely impossible to put down."[2] Mark Mortimer for Universe Today felt the book maintains a nice balance between detail and corollary while sometimes drifting to the philosophical side of things.[3] Gerry Gilmore for The Guardian also mocks the notion of trying to escape the far off heat death of the universe.[4] The book was a finalist for the Samuel Johnson Prize for non-fiction in the UK.[5]

See also[edit]


  1. ^ Kaku, Michio (2004). Parallel Worlds: A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos. New York: Doubleday. ISBN 978-0-385-50986-2. 
  2. ^ Thomas, Scarlett (February 6, 2005). "Bets with the cosmic bookmaker". The Independent. Retrieved 28 May 2011. 
  3. ^ Mortimer, Mark. "Book Review: Parallel Worlds". Universe Today. Retrieved 28 May 2011. 
  4. ^ Gilmore, Gerry (April 30, 2005). "Bang up to date?". The Guardian. Retrieved 28 May 2011. 
  5. ^ Kaku, Michio. "Samuel Johnson Prize for Non Fiction 2005 - Longlist". Parallel Worlds. BBC.