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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.
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Books, Book, Cafe Libri, Nonfiction, Time Travel, Physics, Cosmology, String Theory, Wormholes, Quantum Mechanics, Popular Science, General Relativity, Quantum Gravity

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review by . November 05, 2010
The title says it all and is probably the best summary of this exciting and entirely accessible popular physics book. A BRIEFER HISTORY OF TIME is both an update on and a more succinct, briefer version of Hawking's best-selling original work, A BRIEF HISTORY OF TIME. In a whirlwind review of man's scientific exploration of the working of the universe, Hawking and his co-author Mlodinow summarize our knowledge of the evolution of the universe from its earliest beginnings to today and bring …
Quick Tip by . November 05, 2010
A library must have for any popular science reader interested in the latest theories on cosmology.
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