A Briefer History of Time (Hardcover)

by Stephen Hawking (Author), Leonard Mlodinow (Author)

Editorial Reviews

From Publishers Weekly
Starred Review. In the 17 years since the publication of A Brief History of Time, Dr. Hawking's bestselling exposition of physics, new data from particle physics and observational astronomy have shed light on efforts to find a Grand Unified Theory of Everything that Hawking and Mlodinow use to enhance and update their answers to basic questions about the universe: where it's going and how it began. Discussed at length are the mysterious dark matter and dark energy-both of which can only be observed by their gravitational effects and are believed to make up 90 percent of the universe. Another area of research that has exploded in the past 20 years is string theory. Hawking and Mlodinow provide one of the most lucid discussions of this complex topic ever written for a general audience. Readers will come away with an excellent understanding of the apparent contradictions and conundrums at the forefront of contemporary physics. Recognizing that much of their audience will also be science fiction buffs, they include a chapter on the possibility of time travel. "Don't bet on it," the authors advise. Throughout these discussions, the authors maintain the same wry, lively tone that made the original Brief History such a delight. They close with a discussion of where physics ends and philosophy begins, "Why does the universe exist at all?" They cannot provide the answer, but they do provide an immense amount of food for thought. Highly recommended.
Copyright © Reed Business Information, a division of Reed Elsevier Inc. All rights reserved.

From Scientific American
Hawking's A Brief History of Time, published in 1988, was a surprise best-seller but a tough read for most people who tackled it. Hawking received many requests for a version that would make his discussion of deep questions about the universe more accessible. This book does that. Hawking and Mlodinow, a physicist turned science writer, proceed by small and careful steps from the early history of astronomy to today's efforts to construct a grand unified theory of the universe.

Editors of Scientific American

See all Editorial Reviews

Product Details

• Hardcover: 176 pages
• Publisher: Bantam (September 27, 2005)
• Language: English
• ISBN-10: 0553804367
• ISBN-13: 978-0553804362
• Product Dimensions: 9.1 x 6.3 x 0.8 inches
• Shipping Weight: 1.1 pounds (View shipping rates and policies)
• Average Customer Review: 4.4 out of 5 stars See all reviews (76 customer reviews)
• Amazon.com Sales Rank: #81,653 in Books (See Bestsellers in Books)

  Popular in these categories: (What's this?)

  #25 in	Books > Science > Astronomy > Universe
  #58 in	Books > Science > Physics > Cosmology
  #61 in	Books > Professional & Technical > Professional Science > Astronomy > Cosmology

Customer Reviews

Most Helpful Customer Reviews

158 of 168 people found the following review helpful:

4.0 out of 5 stars Gets somewhat caught in the switches, November 4, 2005

By	A Reader (Phoenix, AZ) - See all my reviews

I do not have a science background, and I did not read a Brief History of Time when it was originally published or thereafter. So this review is written to a fairly small category of potential readers -- those like me with an interest in modern physics but without much background.

I thought the book was exceptionally well written, and it was outstanding in places. It was certainly a very fun read, and I think it achieves a very lofty goal -- making liberal arts grads like me understand both the desirability and potential implications of reconciling general relativity and quantum physics. But, overall, I thought it tried to walk too fine a tightrope between discussing complex subjects and at the same time attempting to be as conversational and accessible as possible. That is a lofty goal -- hard to achieve I think. The reality is that some of these concepts are very very difficult to the uninitiated, so the cursory treatment the authors sometimes give them, in their attempt to make the book accessible and to live up to the "briefER" in the title, actually at times makes the book harder to understand, not easier. It is most acute in the book's introduction to uncertainty, quantum physics, and understanding the implications of interference experiments. More detail, not less, was needed here to reach the authors' goal of accessibility. Don't get me wrong, I wasn't seeking a text heavily laden with mathematics or equations. I just think the overriding editorial doctrine with this book was to condense wherever possible, and that is just not always possible or desirable.

All that said, the book achieves it purpose: To take some of the amazing intelligence and insight of one of the world's most important thinkers, squeeze it into understandable packets, and give us ordinary folk some insight into the exciting times in which anyone interested in the Universe and its fundamental questions live. But to steal a little from Einstein, I thought the authors didn't quite follow the second half of his famous exhortation to make everything as simple as possible, but no simpler.

78 of 83 people found the following review helpful:

5.0 out of 5 stars Interesting and enlightening, December 15, 2005

By	Kurt A. Johnson (Marseilles, Illinois, USA) - See all my reviews (TOP 50 REVIEWER)    (REAL NAME)

I clearly remember when Stephen Hawking's first book, A Brief History of Time, came out in 1988. It was a great book that explained modern scientific cosmology in a way that I could really understand. That book became a worldwide bestseller, and with good reason! I still have my copy to this day.

And now, some seventeen years later, Stephen Hawking is back with this new book. A Briefer History of Time brings the reader up to date, and makes the narrative even easier to understand.

Even though I am a non-science-type guy, I found this book understandable. But even more so, I found it to be a very enjoyable read! I loved the way that the authors unfold scientific cosmology through the use of a historical narrative, explaining how man's knowledge of the universe expanded and changed, until we reach the modern theories. I found this book to be both interesting and enlightening, and expect it to do as well as the original.

If there is one book that you simply *must* pick up and read this year, it is A Briefer History of Time. Get it today!

40 of 42 people found the following review helpful:

5.0 out of 5 stars A Science Classic Now made Accessible to Everyone!!, December 9, 2005

By	Stephen Pletko "Uncle Stevie" (London, Ontario, Canada) - See all my reviews (TOP 500 REVIEWER)

+++++

"In this book are lucid revelations on the frontiers of physics, astronomy, cosmology [the study of the universe as a whole], and courage [Dr. Stephen Hawking has ALS, also called Lou Gehrig's disease or motor neuron disease contracted when he was young and now is wheelchair bound]. This is also a book about God...or perhaps about the absence of God. The word God fills these pages. Hawking embarks on a quest to answer Einstein's famous question about whether God had any choice in creating the universe. Hawking is attempting, as he explicitly states, to understand the mind of God. And this makes all the more unexpected the conclusion of the effort, at least so far: a universe with no edge in space, no beginning or end in time, and nothing for a Creator to do."

These are the words in the last paragraph of the introduction to Hawking's very first or original book "A Brief History of Time" (1988). These words were written by the late, great Dr. Carl Sagan. (In his introduction, Sagan calls Hawking a "legend.")

Nothing has changed with this new book with respect to what Sagan says above. But as a reader of Hawking's first book, I did notice welcome changes.

First, this new book is more concise. This does not mean this book is drastically shorter than the original. This new book is about twenty pages less than the original. Also this new book contains one more chapter than the original! What this book does is cut out extraneous technical detail from the original and focuses only on the most important concepts but still maintains the essence of the original. Thus, the book seems much more concise.

Next, and this is very important, this book is more accessible. The important concepts mentioned above, I found, are explained much more clearly thus increasing this book's readability in order to achieve Hawking's (and collaborator Leonard Mlodinow's) goal: "to share some of the excitement of...[scientific] discoveries, and the new picture of reality that is emerging as a result."

Third, this book is illustrated throughout with color illustrations. Actually, the original book was also illustrated but the new illustrations are, I feel, more easier to grasp. (I only have a complaint with the first illustration in this new book because it doesn't illustrate the point it's trying to make.)

Finally, this book is actually updated with respect to the latest theoretical and observational results! For example, this book describes recent progress that's been made in finding a complete unified theory of all the forces of physics and describes the progress made in string theory (technically called superstring theory). Observational material comes from the Cosmic Background Explorer (COBE) satellite and by the Hubble Space Telescope. Thus, even though I read the original book, I still learned much from this book.

As with the original book, this book contains a helpful glossary and an appendix briefly outlining the lives of Albert Einstein (1879 to 1955), Galileo (1564 to 1642), and Sir Isaac Newton (1642 to 1727). (Notice that Newton was born in the same year Galileo died. Hawking was born in 1942, three hundred years after the death of Galileo.)

Here are the names of the chapter titles:

(1) Thinking about the universe.
(2) Our evolving picture of the universe (Discussion of Galileo starts here.)
(3) The nature of scientific theory.
(4) Newton's universe.
(5) Relativity. (Discussion of Einstein starts here.)
(6) Curved space.
(7) The expanding universe.
(8) The Big Bang, black holes, and the evolution of the universe. (It is thought that the Big Bang is how the universe began. A black hole is a region of space or more correctly space-time, where nothing, not even light can escape, because gravity is so strong.)
(9) Quantum Gravity. (This is a theory that merges quantum mechanics that is a theory that deals with the very small with general relativity that is a theory of the very large and that incorporates gravity.)
(10) Wormholes and time travel. (A wormhole is theoretically a thin tube of space or space-time connecting distant regions of the universe.)
(11) The forces of nature and the unification of gravity. (The forces of nature are electromagnetism, the weak force of radioactivity, the strong force that binds the atomic nucleus together, and gravity. The first three forces can be combined or unified but gravity seems to stand on its own.)
(12) Conclusion. (Last words in this chapter: "then we would know the mind of God.")

Finally, this book is not referenced. However since Hawking is Lucasian Professor of Mathematics at Cambridge University, a post once held by Newton and Sagan witnessed his accepting this position in 1974, I think I can safely take Hawking at his word.

In conclusion, this book is a reorganized version of a science classic that is now more accessible, more concise, better illustrated, and updated with the latest research. It is not to be missed!!

(first published 2005; acknowledgements; forward; 12 chapters; main narrative 160 pages; appendix; glossary; index)

+++++