PDF Ebook The Grand Design, by Stephen Hawking, Leonard Mlodinow
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The Grand Design, by Stephen Hawking, Leonard Mlodinow
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#1 NEW YORK TIMES BESTSELLER
When and how did the universe begin? Why are we here? What is the nature of reality? Is the apparent “grand design” of our universe evidence of a benevolent creator who set things in motion—or does science offer another explanation? In this startling and lavishly illustrated book, Stephen Hawking and Leonard Mlodinow present the most recent scientific thinking about these and other abiding mysteries of the universe, in nontechnical language marked by brilliance and simplicity.
According to quantum theory, the cosmos does not have just a single existence or history. The authors explain that we ourselves are the product of quantum fluctuations in the early universe, and show how quantum theory predicts the “multiverse”—the idea that ours is just one of many universes that appeared spontaneously out of nothing, each with different laws of nature. They conclude with a riveting assessment of M-theory, an explanation of the laws governing our universe that is currently the only viable candidate for a “theory of everything”: the unified theory that Einstein was looking for, which, if confirmed, would represent the ultimate triumph of human reason.
- Sales Rank: #18859 in Books
- Published on: 2012
- Released on: 2012-02-21
- Original language: English
- Number of items: 1
- Dimensions: 8.96" h x .57" w x 6.00" l, .6 pounds
- Binding: Paperback
- 208 pages
Amazon.com Review
Stephen Hawking on The Grand Design
How can we understand the world in which we find ourselves? Over twenty years ago I wrote A Brief History of Time, to try to explain where the universe came from, and where it is going. But that book left some important questions unanswered. Why is there a universe--why is there something rather than nothing? Why do we exist? Why are the laws of nature what they are? Did the universe need a designer and creator?
It was Einstein’s dream to discover the grand design of the universe, a single theory that explains everything. However, physicists in Einstein’s day hadn’t made enough progress in understanding the forces of nature for that to be a realistic goal. And by the time I had begun writing A Brief History of Time, there were still several key advances that had not yet been made that would prevent us from fulfilling Einstein’s dream. But in recent years the development of M-theory, the top-down approach to cosmology, and new observations such as those made by satellites like NASA’s COBE and WMAP, have brought us closer than ever to that single theory, and to being able to answer those deepest of questions. And so Leonard Mlodinow and I set out to write a sequel to A Brief History of Time to attempt to answer the Ultimate Question of Life, the Universe and Everything. The result is The Grand Design, the product of our four-year effort.
In The Grand Design we explain why, according to quantum theory, the cosmos does not have just a single existence, or history, but rather that every possible history of the universe exists simultaneously. We question the conventional concept of reality, posing instead a "model-dependent" theory of reality. We discuss how the laws of our particular universe are extraordinarily finely tuned so as to allow for our existence, and show why quantum theory predicts the multiverse--the idea that ours is just one of many universes that appeared spontaneously out of nothing, each with different laws of nature. And we assess M-Theory, an explanation of the laws governing the multiverse, and the only viable candidate for a complete "theory of everything." As we promise in our opening chapter, unlike the answer to the Ultimate Question of Life given in the Hitchhiker’s Guide to the Galaxy, the answer we provide in The Grand Design is not, simply, "42."
(Photo � Philip Waterson, LBIPP, LRPS)
From Publishers Weekly
Hawking, the renowned Cambridge mathematician, teams up with Mlodinow, a physicist at Caltech, for a brief introduction to "the grand design" of the universe. If this project seems ambitious for a four and a half–hour audio production, it is; however, even general readers will be able to follow along as the authors guide us through M-theories, quantum mechanics, general and special relativity, and other mind-blowing cosmological discoveries of the last century. The goal of all these journeys through the history of science is to answer some basic questions: why is there a universe in the first place? What other universes may in fact be possible, given Richard Feynman's theory of multiple histories? The audio version of this book is simple and scaled down. Despite an engaging and capable performance by West End stage actor Steve West, some listeners might long for more content—diagrams or video tracks to accompany and augment the lecture. A Bantam hardcover. (Sept.)
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From Bookmarks Magazine
Whether or not critics bought into Hawking's and Mlodinow's mind-bending exploration of "the grand design" depended to some extent on each reviewer's familiarity with physics. The Spectator thought that the authors should have provided some answers instead of just introducing mathematical concepts with "such reckless abandon," while the New York Times Book Review called the book condescending and, more seriously, M-theory "somewhat disappointing... a patchwork quilt rather than a fine, seamless garment." Yet other critics felt that the authors did a fine job of clearly explaining why modern science may soon provide answers to large philosophical questions. As one critic, a professor of physics said, "Deep stuff, indeed. Maybe in the end the whole multiverse idea will actually turn out to be right!" (Washington Post). Or, as physicist Fred Bortz claims, possibly wrong. Only time may tell.
Most helpful customer reviews
402 of 444 people found the following review helpful.
Modern physics simplified
By S. Levi
This book is both shorter and more clearly written than any other physics book I've read, including Hawking's other works. If you are interested in physics but don't have the patience to read something long and detailed such as Roger Penrose's "The Road to Reality" then this is a great book for you. Even if you simply want to compare "The Grand Design" to less detailed pop physics books with minimal mathematics, it holds up very well. Usually the analogies that lay physics books employ in an attempt to make intuitive sense of mathematical concepts become quite strained, but for some reason everything seems to work here and the authors don't push them too far.
I was concerned by some of the things that were said at the outset such as "philosophy is dead" - each academic discipline requires years of study and can't reasonably be dismissed out of hand by someone who is an expert in another field - but my concerns were eased by the rest of the book. The quest for a grand unified theory of physics, the ultimate topic of many lay physics books, does sound philosophical and has resulted in various theories that are currently highly speculative and difficult to test. The M-Theory discussed in "The Grand Design" sounds more reasonable than the many alternatives but all are still very weak as far as scientific theories go.
If you lack patience for mathematical formulas and want a short, clearly written physics book that minimizes the mathematics while still surveying the basic concepts of physics and introducing the more speculative current topics, I haven't read anything better than "The Grand Design".
870 of 982 people found the following review helpful.
A very interesting book.
By error
This book began not with a Bang, but with a shudder. On the first page, I read the phrase (and yes it's a proof so this may be changed in the actual version): "Philosophy is dead". No one can argue that there is a modern day philospher with the influence of Aristotle; but surely, philosophy can't be dead!?
However, reading onward, the authors made their point quite convincingly: philosophy is dead in the sense of answering the most mysterious of life's questions. It is up to science, and scientific theory, to provide clues to the true answers, as philosphy in its most ancient forms has taken a back seat, but modern philosphy, that of scientific philosophy, has taken root.
This book, you'll find as you read, is dumbed down. But it's not stupid or simple. While the math and the proofs of the math are essentially missing (a great boon for laymen like myself), the philosophical science is presented in a very interesting, detailed, and thought provoking way. It is not as difficult, and oft-maniacal, a read as Emmanuel Levinas, instead it's somewhere closer to Lucretius's On the Nature of Things (ironically).
And so the authors move on in sequential and ordered fashion, trying to answer: Why is there something? Why do we exist? Why this set of natural law? The theories they expound upon are sometimes old, and sometimes groundbreakingly new, but all will either surprise you, educated you, or both; but in the least, make you think about reality and your own existence, and the reality of your existence.
This book has illustrations every now and then. Most are of no use but to entertain you, in my opinion. Some are there to actually educate you in at least a small way. But what irked me a few times was that while I was reading a thought, I'd encounter a picture in the middle of the text that had nothing to do with the thought I was just reading about. A slight moment of confusion erupted, but was quenched right after I read the paragraph after the picture/illustration. This may be of no consequence to many, but while reading such interesting ideas, and mulling them over in my head, I certainly didn't like being interrupted by something that hasn't been discussed or processed.
Otherwise, the book is pleasent on the eyes, as it's set in what would be essentially type 14, Times New Roman. For 190 pages, and such a large font, it's a very quick read, especially once you get captivated by the arguments that are laid out in front of you. I don't want to discuss them in detail, as not only am I unable to lay out the argument as convincingly as two geniuses, but also don't want to spoil the though-provoking journey this book will take you on.
I highly reccomend this book to anyone who wants to see how modern, scientific philosophers, answer life's ancient questions and/or those who just would like a leg-up on modern physics, so that you won't be left out in the cold should you encounter a group of people conversing about the topic.
Those with scientific minds, will prosper with this book.
Those that fear God, need not look away. This book does not disparage, criticize, nor impinge. It, as with all books, simply provides a story and its lessons.
322 of 366 people found the following review helpful.
Excellent overview of contemporary cosmology and physics
By Paul E. Hartman
In a mere 180 pages, Leonard Mlodinow, the author of the excellent "The Drunkard's Walk" and of debates arguing against Deepak Chopra, and Stephen Hawking, expound a subjective interpretation of quantum physics, and offer a theory to try to unify all of the underlying forces of nature. A grandiose undertaking; along the way, they revisit the philosophical questions of Free Will, the origin of the universe(s) without a creator-God, and vividly describe some of the counter-intuitive concepts generated by quantum physics' strangeness.
They believe that we inhabit one universe in a multiverse version of quantum physics, in which there are an almost infinite number of universes that can arise spontaneously from the "big bang", and which then dictate the laws of nature that follow. This promotion of the so-called "strong anthropic principle" may offend some scientists and philosophers. The role of observation in determining quantum reality, and of its ability to alter the past in events in the quantum world, are just some of the seemingly bizarre concepts elaborated. This includes even the consequences of the delayed slit-lamp experiments. The cornerstone of their approach to quantum physics utilises Richard Feynman's theory of a sum of histories. Further underlying this, is the assumption that "reality" in our world is dependent on the model we use, and that if different models can successfully explain scientific phenomena, then each model must be considered equally "real".
The clarity of the explanations are garnished with bits of humor that are tastefully incorporated without being intrusive. There is no math required, merely good use of logic in order to follow the arguments presented. There is a well-rounded historical summary of scientific discoveries, right up to and including the most recent ideas in string theory and particle physics.
But make no mistake, they are expounding one subjective view of cosmology, and this might come across as overenthusiastic, controversial, or even supercilious, by physicists, other scientists, and philosophers of science, who may not hold these views.
I found the book hard to put down. Accompanying the text are a few diagrams that are helpful in clarifying certain concepts. Overall, a nice summary of physics and cosmology, which culminates in an ambitious and highly subjective analysis/synthesis to try to explain the universe and reality.
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