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The Grand Design

Stephen Hawking (Author), Leonard Mlodinow (Author)

The three central questions of philosophy and science: Why is there something rather than nothing? Why do we exist? Why this particular set of laws and not some other? No one can make a discussion of such matters as compulsively readable as the celebrated University of Cambridge cosmologist Hawking (A Brief History of Time). Along with Caltech physicist Mlodinow (The Drunkard’s Walk), Hawking deftly mixes cutting-edge physics to answer those key questions. For instance, why do we exist? Earth occupies a “Goldilocks Zone” in space: just the perfect distance from a not-too-hot star, with just the right elements to allow life to evolve. On a larger scale, in order to explain the universe, the authors write, “we need to know not only how the universe behaves, but why.” While no single theory exists yet, scientists are approaching that goal with what is called “M-theory,” a collection of overlapping theories (including string theory) that fill in many (but not all) the blank spots in quantum physics; this collection is known as the “Grand Unified Field Theories.” This may all finally explain the mystery of the universe’s creation without recourse to a divine creator. This is an amazingly concise, clear, and intriguing overview of where we stand when it comes to divining the secrets of the universe.

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Creation Date: Sun, 12 Sep 2010 00:00:54 -0400
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When and how did the universe begin? Why are we here? Why is there something rather than nothing? What is the nature of reality? Why are the laws of nature so finely tuned as to allow for the existence of beings like ourselves? And, finally, is the apparent “grand design” of our universe evidence of a benevolent creator who set things in motion—or does science offer another explanation?

The most fundamental questions about the origins of the universe and of life itself, once the province of philosophy, now occupy the territory where scientists, philosophers, and theologians meet—if only to disagree. In their new book, Stephen Hawking and Leonard Mlodinow present the most recent scientific thinking about the mysteries of the universe, in nontechnical language marked by both brilliance and simplicity.

In The Grand Design they explain that 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. When applied to the universe as a whole, this idea calls into question the very notion of cause and effect. But the “top-down” approach to cosmology that Hawking and

Mlodinow describe would say that the fact that the past takes no definite form means that we create history by observing it, rather than that history creates us. The authors further explain that we ourselves are the product of quantum fluctuations in the very 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.

Along the way Hawking and Mlodinow question the conventional concept of reality, posing a “model-dependent” theory of reality as the best we can hope to find. And they conclude with a riveting assessment of M-theory, an explanation of the laws governing us and our universe that is currently the only viable candidate for a complete “theory of everything.” If confirmed, they write, it will be the unified theory that Einstein
was looking for, and the ultimate triumph of human reason.

A succinct, startling, and lavishly illustrated guide to discoveries that are altering our understanding and threatening some of our most cherished belief systems
, The Grand Design is a book that will inform—and provoke—like no other.
About the Author
Stephen Hawking was the Lucasian Professor of Mathematics at the University of Cambridge for thirty years, and has been the recipient of numerous awards and honors including, most recently, the Presidential Medal of Freedom. His books for the general reader include the classic A Brief History of Time, Black Holes and Baby Universes and Other Essays, The Universe in a Nutshell, and A Briefer History of Time. He lives in Cambridge, England.

Leonard Mlodinow is a physicist at Caltech and the bestselling author of The Drunkard’s Walk: How Randomness Rules our Lives, Euclid’s Window: The Story of Geometry from Parallel Lines to Hyperspace, and Feynman’s Rainbow: A Search for Beauty in Physics and in Life. He also wrote for Star Trek: The Next Generation. He lives in South Pasadena, California.
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