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Parallel Worlds: A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos
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Parallel Worlds: A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos

4.15 of 5 stars 4.15  ·  rating details  ·  8,004 ratings  ·  284 reviews
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 lay alongside our own. Kaku skillfully guides us through the latest innovations in string theory and its latest itera...more
ebook, 1st edition, 428 pages
Published March 14th 2006 by Knopf Doubleday Publishing Group (first published 2004)
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I hated Physics when I was a kid, because the teacher who taught me wore coke-bottle glasses, had halitosis, and his spittle flew. He also churned out equations on the board, and expected you to get E=mc2 as if you were born to do so. How can one not understand the elegance and simplicity and total enlightenment that this captured about our physical world? Well, I didn't. Because the physical world -- believe it or not -- was abstract enough not to grasp at the 10,000 foot level.

Ok, then comes P...more
Judyta Szaciłło
24 June 2013:

Help, help! I'm surrounded by microscopic wormholes and baby universes!

12 July 2013:

I have just finished the best pop-science book I have ever read (including Balcombe's "Pleasurable Kingdom" which I found very well-written, perfectly constructed and also very touching; a no. 1 until now).

The subject of the book is mind-blowing and it is extremely difficult to stay focused on the reading for a length of time, because it inspires and stretches imagination to the limits. I just couldn...more
If you are into time travel or a time travel author, this should be required reading (or in this case listening). Because there was so much great information presented in an understandable manner, this might become the only book that I will read after listening to it as I want to ensure I have this one as a reference.

The first third of the book was a good refresher and had me thinking, “I know this stuff”. . in fact, I felt a little cocky and questioned why I chose this book. Then came the heavy...more
Kaku starts off by comparing the big bang to the creation in Christian and Chinese mythology. Yuck. He also finishes off the book with a tedious digression into religious inanities.

The syrupy and hyperbole-riddled language is guaranteed to cause misunderstanding in anyone unfamiliar with cosmology, and irritation in anyone already familiar with cosmology. But hey, it's a popular science book, you sort of expect that.

Kaku attributes the "discovery" of dark matter and dark energy to the WMAP data....more
Oct 06, 2007 Nathan rated it 4 of 5 stars  ·  review of another edition
Recommends it for: Star Trek fans.
Michio Kaku is quickly becoming my favorite science writer, and easily my favorite hypothetical or theoretical physicist. His ideas and the way he presents them make fun, easy reading for those of us who were always terrible in math and didn't digest much about astrophysics in school. He deals with a lot of "what if" scenarios, and more than most modern physicists he holds onto his imagination. Kaku's work bristles with excitement, something you can rarely say about a book covering cosmological...more
This book is an entertaining and interesting read. Almost no formula, although you still need some basics to get the most out of it. It will update your general knowledge about cosmology to year 2004, when the book was written.

The Large Hadron Collider(LHC) came online this year. Some scientists predicted that LHC could create black hole, which could destroy the earth. We all know what happened now. Dr. Kaku talked about LHC in his book - LHC could only create black hole in subatomic level with...more
მიჩიო კაკუ ალბათ ერთ-ერთი ყველაზე ცნობადი და პოპულარული ტელესახეა დღეს. მეცნიერების მნიშვნელოვანი ხმა, დიდ წილად უშინაარსო გართობაზე ორიენტირებულ მსოფლიო კულტურის სფეროში.
კაკუ science channel-ზე გავიცანი, თითქმის ყველა ჩემ საყვარელ დოკუმენტურ პროგრამას ან უძღვებოდა ან მონაწილეობდა მაინც: - How the Universe Works, Sci-fi Science physics of the impossible, 2057, Alien planet აგრეთვე Nova-ს BBC Horizon და History Channel-ის პროგრამებში. მოკლედ მიჩიო ყველგან იყო (და არის) ამ გარემოების ამოხსნა არაა...more
I am inclined to see this marvellously inspiring book as consisting of three distinct but entwined parts.

The first part is a an excellent account of the history of modern science told in Michio Kaku's impeccably witty and easily-understood narrative. As such I would recommend this book as a natural continuation of for instance Thomas S. Kuhn's "The Copernican Revolution" or some other similar book about the history of science in general. Parallel Worlds picks up naturally and leads us into the t...more
Kaku takes us through physics history from Newton’s laws to M-Theory, his favorite flavor of string theory. Along the way we find Maxwell’s electromagnetism, Plank’s Constant, Einstein’s relativity, Hubble’s red shift, Schrodinger’s cat, Gamow’s big bang, Guth’s inflation and end up exploring exotic concepts such as wormholes and parallel universes. This brief history was well written and enjoyable.

The rest of the book is engaging but has some shortcomings. As is typical in popular physics book...more
პოპულარული ენით იმის ახსნას თუ რას წარმოადგენს სამყარო,თავისებურად ცდილობენ ვაინბერგი,გრინი თუ ჰოკინგი,მაგრამ როგორც ვნახე,ეს ყველაზე უკეთ კაკუს გამოუვიდა.
იმდენად ბევრის თქმა შემიძლია ამ წიგნზე,აჯობებს სულ არაფერი ვთქვა და უბრალოდ - 5 ქულა :)
Derek Davis
In the Constance Garnett translations of Dostoyevsky, exasperated characters routinely ejaculate "Tfoo!" To sum up this colossal muckheap of a book, I say, "Tfoo, Kaku!"

Apparently, Dr. K. has done decent theoretical work in physics, but his inability to present clear ideas or a logical structure for whatever it is he's trying to say makes that a little difficult to accept. His "aw shucks" little-boy approach to difficult concepts leaves more loose ends than my cat toying with our curtain.

My susp...more
Jul 01, 2011 Hollins rated it 4 of 5 stars  ·  review of another edition
Recommends it for: fans of physics, the universe
This book isn't exactly light reading. It's not what I'm accustomed to reading, either, but science has always been one of those topics I love to watch on tv, but flounder at in class. But I wasn't being graded on Parallel Worlds so it worked out fine!

Mr. Kaku is actually one of my favorite guys on History Channel's The Universe (also gotta love Neil deGrasse Tyson) so I was really excited to read his book. I won't lie; it's not a summer beach read, in my opinion, but it's worth the read.

I've been putting off my review for this book in an attempt to organize my thoughts so the review consisted more of the contents within the book rather than just a mindless rant of how awesome Michio Kaku is. Unfortunately, my thoughts remained a jumbled mess as my giddiness took precedence.

So why is he just so fantastic? Michio Kaku is not only gifted in his abilities as a physicists (he is co-founder of string field theory, has written textbooks, articles, novels, etc. in the field of physics...more
Conrad Johnson
I'm sure there's a joke out there somewhere about how many theoretical physicists it takes to change a light bulb but I haven't heard it yet. I picked up this gem because I'm currently trying to write a sci-fi novel that deals with parallel universes and it's going very slowly, probably more slower than the rate at which the universe is supposedly cooling.

A lot has happened with quantum physics and M-theory since this book was published in 2006, but Kaku does an excellent job of explaining the b...more
Albeit a comprehensive and informative history of Physics, I'm afraid the author and I parted company with the introduction of the String and M theories. To quote Einstein, "If you can't explain it simply, you don't understand it well enough." At this stage, String and M are simply hypotheses, with little or no hard evidence to prove their validity. That may happen, but as of now, in their present form, I find them lacking in two features all great discoveries have: simplicity and elegance of de...more
An excellent read especially if you are interested in cosmology and modern physics. Very well written, the language is precise and not overwhelmed with technicalities and pseudo-clever demagogy, but at the same time advanced scientific topics and the latest scientific developments are presented by an insider in an interesting, concise and thought provoking way. Lots of food for thought and fascinating topics here from creation of the universe and the place of intelligent life in it to the distan...more
Antonio Tamez
At its heart Parallel Worlds is an update of Dr. Kaku’s 1994 book Hyperspace, which I had the chance to read just two or three years after publication. My excitement, back then, at such incredible theories and amazing ideas was the kind of innocent, cheerful, intellectual enjoyment that I rarely have these days. I have no idea if it has to do with me becoming older and more cynical, or the mainstream appropriation of these ideas, both in the popular culture and intellectual discourse, making the...more
David Schwinghammer
Michio Kaku's discussion of PARALLEL WORLDS results from physicists' attempts to reconcile Einstein's Theory of Relativity with that of quantum mechanics to form a "theory of everything." M-Theory, the newest form of string theory, allows for the possibility of a parallel universe no more than a millimeter from ours. Kaku believes the newest super collider, which should be ready in 2007, may reveal evidence pointing to this alternate universe.

Another theory, Alan Guth's inflationary universe the...more
Steele Dimmock
All Michio Kaku's books are great. You never waste your time reading one of his books, however, I wanted this one to talk more about Parallel Worlds! Instead all the first half and most of the second half of this book is taken up with the history of physics - planck, einstein, newton, schrodinger. They are all given their own mini bios.

When Michio finally got on to dark matter it was only too briefly. He spent not nearly enough pages on M-theory or different universes existing on branes. The 10/...more
Chad Kohalyk
After reading this book, I can finally read and understand the Wikipedia article on string theory.

Though I could do without the first bit, and last couple of chapters (and all the unnecessary references to theology), the middle of the book, which gives an easy to grasp explanation of quantum theory, string theory and m-theory, was excellent.
Chris Steinkirchner
This was my first Kaku book. I’ve been impressed with the writing in all of the popular science books written by big time physicists (Greene, Susskind, Tegmark, etc…) and Kaku did not disappoint me. He isn’t my favorite of the aforementioned authors, but he does offer unique perspective and comes off as extremely open minded. He certainly does not read as haughty, pretentious, egotistical, or self-congratulating as some of the others authors can at times. Kaku frequently pays tribute to colleagu...more
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...more
A very, very nice book..! Provided a radical understanding of the nature of nature from the physical perspective, while eventually ending the book with its plausible connections to divinity.
... a Superb Book!!
Mike Alcazaren
Excellent book. I love how Dr. Kaku is able to take complex topics and break them into more palatable chunks. A few of the concepts were still over my head.
Max Wilson
Just finished this one - good read but very similar to Hyperspace. This book is less fanciful and discusses more Quantum Theory than cosmology.
Published in (I think) 2005, some aspects of the book, specifically those describing current and upcoming experimental programs, is a little dated. In the 9 or so years since publication, we have continued to progress at the fantastic rate hinted at within the book. However out of date info on experiments aside, this is a great book, fantastic if you like your scifi, forget stuff dredged up from Gene Rodenberry's head, the real stuff (and the potential for what we could do in the future) is even...more
Lilly B-K
My friends are free to keep the "nerd" comments coming, but I genuinely enjoy Kaku's writing style, and Parallel Worlds is one of a number of his books that I've read. His use of analogies makes the concepts fairly easy to understand and absorb, although sacrificing their mathematical portions. However, as interesting as the book was, I found that it seemed like a slightly more confusing version of Kaku's earlier work, Hyperspace. Parallel Worlds tackled many of the same ideas, but was structure...more
Daniel Patterson
Parallel Worlds is an outstanding book that introduces the reader to the colorful world of physics. The subject discusses present day investigations and many previous discoveries that prove to be quite enlightening. Kaku's simplicity of writing is easily understood and invaluable when discussing such serious fields of science. The stories of important forerunners such as Einstein and Schrodinger are so involving as the reader follows their every move to discover the secret and the possibilities...more
Summary in a nutshell (or rather in a string): Kaku has the gift to put into words some of the most sophisticated theories of physics today. He is the one who came up with the equation that summarizes the field theory of strings. The heart of the electron is a vibrating string, tinier than a proton. If we were to pluck the string, its vibrations would change it into any one of the known subatomic particles. Did you know that the 5th dimension is light? If Einstein had never discovered relativity...more
Troy Blackford
This was a strong physics book with an emphasis on string theory and fundamental particle physics. I enjoyed it because it's been a while since I read anything on string theory, and it was nice to hear about it from someone who not only believes it holds the answers to the future of physics, but who helped to co-found one of its tenants! One aspect of this book that I found mildly frustrating is that it is a little older (not much, though) and it kept talking about experiments and experimental a...more
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  • The Black Hole War: My Battle with Stephen Hawking to Make the World Safe for Quantum Mechanics
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  • The First Three Minutes: A Modern View Of The Origin Of The Universe
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(Arabic: ميشيو كاكو)
Dr. Michio Kaku is an American theoretical physicist at the City College of New York , best-selling author, a futurist, and a communicator and popularizer of science. He has written several books about physics and related topics of science.

He has written two New York Times Best Sellers, Physics of the Impossible (2008) and Physics of the Future (2011).

Dr. Michio is the co-found...more
More about Michio Kaku...
Physics of the Impossible: A Scientific Exploration into the World of Phasers, Force Fields, Teleportation, and Time Travel Hyperspace: A Scientific Odyssey through Parallel Universes, Time Warps, and the Tenth Dimension Physics of the Future: How Science Will Shape Human Destiny and Our Daily Lives by the Year 2100 The Future of the Mind: The Scientific Quest to Understand, Enhance, and Empower the Mind Beyond Einstein: The Cosmic Quest for the Theory of the Universe

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“Physicists are made of atoms. A physicist is an attempt by an atom to understand itself.” 100 likes
“...the "Mind of God," which Einstein wrote eloquently about, is cosmic music resonating throughout hyperspace.” 67 likes
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