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From Eternity to Here: The Quest for the Ultimate Theory of Time [Kindle Edition]

Sean Carroll
4.0 out of 5 stars  See all reviews (113 customer reviews)

Print List Price: $17.00
Kindle Price: $11.84
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Sold by: Penguin Group (USA) LLC

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Book Description

"An accessible and engaging exploration of the mysteries of time."
-Brian Greene, author of The Elegant Universe


Twenty years ago, Stephen Hawking tried to explain time by understanding the Big Bang. Now, Sean Carroll says we need to be more ambitious. One of the leading theoretical physicists of his generation, Carroll delivers a dazzling and paradigm-shifting theory of time's arrow that embraces subjects from entropy to quantum mechanics to time travel to information theory and the meaning of life.

From Eternity to Here is no less than the next step toward understanding how we came to exist, and a fantastically approachable read that will appeal to a broad audience of armchair physicists, and anyone who ponders the nature of our world.




Editorial Reviews

From Publishers Weekly

Carroll explains the scientific studies of time in an accessible text for the lay reader, but one that proves prohibitively confusing for the lay listener. Sentences are stuffed with important, sometimes esoteric information that takes going over several times, making the listening choppy. And those prone to occasionally tune out for a sentence here or there will find it nearly impossible to follow. Erik Synnestvedt also hinders the production; though he reads in a clear and easy-to-follow voice, he never establishes a significant pattern of emphasis to guide listeners through the more technical and nuanced prose. His soft and rhythmic voice is slightly soporific and does little in helping the listener concentrate. A Dutton hardcover (Reviews, Nov. 2). (Feb.)
Copyright © Reed Business Information, a division of Reed Elsevier Inc. All rights reserved.

Review

"Carroll employs an easygoing, colloquial style of explanation to explore challenging issues of cosmology." ---Library Journal

Product Details

  • File Size: 3264 KB
  • Print Length: 448 pages
  • Publisher: Plume; Reprint edition (January 7, 2010)
  • Sold by: Penguin Group (USA) LLC
  • Language: English
  • ASIN: B002VXTAZ0
  • Text-to-Speech: Enabled
  • X-Ray:
  • Lending: Not Enabled
  • Amazon Best Sellers Rank: #126,221 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
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Customer Reviews

Most Helpful Customer Reviews
174 of 191 people found the following review helpful
5.0 out of 5 stars A captivating read on a deep and difficult topic January 7, 2010
Format:Hardcover
The arrow of time is a central issue in fundamental physics, and one that remains an open question even in the age of quantum mechanics and general relativity. It is a tall task even to define the question properly, never mind to explain what some of the proposed resolutions are. Nevertheless, Carroll is one of the best writers of popular science working today, and in this book he tackles the topic beautifully, guiding the reader through the relevant ideas, many of which we all think we have an intuitive feel for, like entropy, and explaining their physical meanings, and how gravity complicates the story.

The book is worth reading for its expert descriptions of the background material alone, but the reader hungry for speculations of how physics at the frontier may provide an understanding of the arrow of time will not be disappointed. Carroll devotes ample space to the concepts of cosmic inflation, the role of quantum mechanics, baby universes, and the setting that string theory may provide for all of this. None of this is settled ground in physics yet, and the author makes that entirely clear. But it hard to read this account and not come away with a tangible sense of the excitement to be found in taking on these most fundamental of problems.
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53 of 57 people found the following review helpful
5.0 out of 5 stars Time in the eternity of the multiverse March 21, 2010
Format:Hardcover|Verified Purchase
This is a wonderful book that would merit a second reading to understand it more fully. At a fundamental level physics consists of the Standard Model, General Relativity and the Big Bang Inflationary Model of the universe. However, in this model there is something unexplained and it is the Past Hypothesis, that is that the universe started in a low entropy configuration. However the author speculates that perhaps the Big Bang was neither the beginning of time nor a moment of low entropy, but a moment of lowest entropy and the entropy increases in both directions of time, towards the future of the Big Bang and towards its past (from our point of view). This would be the situation in a single connected universe, although string theory predicts a multiverse.

Trying to elucidate the meaning of time (perhaps "an emergent phenomenon rather than a necessary part of our ultimate description of the world") the author reviews special and general relativity, Boltzmann's entropy, black holes and the controversy about conservation of information, life, quantum mechanics, inflation and the multiverse. Generally speaking the book is written in an accessible style (eggs can be broken and turned into omelettes, but not the other way around to describe the Second Law), but you will need to reread some parts to make the most of it.

In the final chapter Sean Carroll faces the "search for meaning in a preposterous universe". I quote: "We find ourselves, not as a central player in the life of the cosmos, but as a tiny epiphenomenon, flourishing for a brief moment as we ride a wave of increasing entropy...Purpose and meaning are not to be found in the laws of nature, or in the plans of any external agent...it is our job to create them.
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97 of 112 people found the following review helpful
5.0 out of 5 stars Genius for non-geniuses! January 7, 2010
Format:Hardcover
I am not a physicist. I majored in English in college. I shouldn't be able to understand this book on any level. But I do. And it's fascinating. Illuminating. And just plain interesting as hell. That's Sean Carroll's greatest achievement in this page-turner about the TIME we live in. If you have any interest at all in getting your head around just what this elusive "time" we all experience is all about, you should read this book.
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12 of 12 people found the following review helpful
4.0 out of 5 stars Time, Entropy, and all that May 3, 2011
Format:Hardcover|Verified Purchase
Roughly the first 3/4 of the book is quite standard physics, and a few related fields, e.g. information theory. The last few chapters, where the author, Sean Carroll, suggests a possible answer to the puzzle, are much more speculative, something he makes very clear.

To me the book was quite interesting. A few equations are displayed, but there is no actual use of mathematics. I have an M.S. in Applied Physics, so I cannot really say how a reader with no technical background would cope with it. Carroll goes through a lot of material, and the sheer quantity of it might be overwhelming. Unfortunately, that is just the way things are. Nobody is going to cope with this without the willingness to do some hard thinking. Carroll does include a lot of pop culture references that readers can relate to, although one of those may not be in any future edition of the book.

A couple interesting (to me) notes:

The complexity of the universe is different from the entropy. Just after the Big Bang the universe was very simple--the same high energy subatomic soup every where. Right now the universe is very complicated: There are lots of galaxies, stars, planets, black holes, people, etc. However, the entropy of the universe has increased: The formation of all those objects is mostly due to gravitation, as matter coalesces together. This gravitational process increases the total entropy, more than offsetting the order in all the structure. Eventually all of this structure will fade away. Even black holes will decay by the Hawking process, leaving a very thin, cold, dark, and simple universe. So while the universe started in a simple state, evolved into a complex state, and will eventually decay into another simple state, the entropy is always increasing. See pages 199-201.
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Most Recent Customer Reviews
5.0 out of 5 stars Fascinating topic
Goes with his video series. Very clear with many illustrations.
Published 12 days ago by Judy Paris
1.0 out of 5 stars One Star
terrible
Published 1 month ago by Stanley White
5.0 out of 5 stars A great look at time.
Popular science books as always hit or miss. You get quality books that describe modern physics in a way that actually helps you understand what science is discovering. Read more
Published 2 months ago by Zach
4.0 out of 5 stars Sean Carroll has a wonderful, easy writing style
This book on "time" goes everywhere, it is 375+ pages long. IMO it could have come in at about 275-300 pages and have been a better book on "time." Why? Read more
Published 2 months ago by bowonwing
2.0 out of 5 stars Two Stars
Not very accessible.
Published 2 months ago by arnold shore
5.0 out of 5 stars Great read
For someone with no physics background to speak of, I found this book on a difficult and complicated topic relatively easy to comprehend and a fascinating read.
Published 3 months ago by C. David Clauss
3.0 out of 5 stars I wasn't expecting Sean to propose ideas akin to block time and...
I'm a big fan of Sean, his blog, his many public debates and especially 'Particle at the end of the universe', which I happen to have read before this one. Read more
Published 4 months ago by Robby
5.0 out of 5 stars Exemplary popular science
If you're interested in the subject matter of this book -- time: what it is, why it is, how it came to be, and what it may become -- and you're not fluent in higher math and... Read more
Published 4 months ago by Librum
5.0 out of 5 stars If you're interested in what the ultimate reality is, this is for you
I am passionate about elementary physics. It does not get any more elementary than time. Makes me want to chat with the author.
Published 5 months ago by Pierre B.
5.0 out of 5 stars A Tour de Force of Scientific Writing
This is one of the best out of the many books on scientific topics that I have read. By “best” I do not mean easiest to read although it is extremely well-written, well-argued,... Read more
Published 6 months ago by Truth Seeker
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More About the Author

Sean Carroll is a theoretical physicist at the California Institute of Technology, specializing in cosmology, gravitation, field theory, and quantum mechanics. His research addresses the foundations of cosmology: What happened at the very beginning of the universe? Why was entropy low near the Big Bang? Is there an interpretation of quantum mechanics that applies to the universe as a whole? What are the dark matter and dark energy that dominate the universe today? How do complex structures evolve over time?

Carroll has been blogging regularly since 2004. His textbook "Spacetime and Geometry" has been adopted by a number of universities for their graduate courses in general relativity. He is a frequent public speaker, and has appeared on TV shows such as The Colbert Report and Through The Wormhole with Morgan Freeman. He has produced a set of lectures for The Teaching Company on dark matter and dark energy, and another on the nature of time. He has served as a science consultant for films such as Thor and TRON: Legacy, as well as for TV shows such as Fringe and Bones.

His 2010 popular book, "From Eternity to Here," explained the arrow of time and connected it with the origin of our universe. "The Particle at the End of the Universe," about the Large Hadron Collider and the quest to discover the Higgs boson, was released November 2012.

More information at http://preposterousuniverse.com/


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Topic From this Discussion
From Sean Carroll
Dear Dr. Sean Carrol,
According to the formalism of SR X4 = ict time is merely a numerical order of events that run in a 4D space.
This means universe is timeless, eternity is here.
Srecko Sorli explains that well in his recent book: Einstein's Timeless Universe.
Jan 24, 2011 by Andrej Korosak |  See all 2 posts
Eternity is Here Be the first to reply
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