Cycles of Time: An Extraordinary New View of…

Ciclos del tiempo / Cycles of Time (Spanish Edition) (original 2010; edition 2011)

by Roger Penrose

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Member:	PJuan
Title:	Ciclos del tiempo / Cycles of Time (Spanish Edition)
Authors:	Roger Penrose
Info:	DEBOLSILLO (2011), Edición: Tra, Paperback, 304 páginas
Collections:	Your library
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Tags:	Ciencia

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Cycles of Time: An Extraordinary New View of the Universe by Roger Penrose (2010)

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_Cycles of Time: An Extraordinary New View of the Universe_, by Roger Penrose, Alfred A Knopf, 2011. Far from the "same old same-old" as regards cosmology books, this one presents the distinguished Penrose's own Conformal Cyclic Cosmology (CCC), which takes great care to respect the laws of thermodynamics. To quote from Wikipedia, "In CCC, the universe iterates through infinite cycles, with the future timelike infinity of each previous iteration being identified with the Big Bang singularity of the next." The book's two appendices (~30 pages) are impenetrably mathematical, and Penrose rightly says they are for experts only. But it seemed to me that some of this impenetrability afflicts large parts of the second half of the main text too. I was very disappointed that I failed to fully understand conformal spacetime diagrams. I never grasped the reason why it is not simply contradictory to say that universe iterations possessing neverending time progressions can form a temporal chain.

fpagan | Jul 13, 2011 |

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Doing what most find impossible has long been Penrose's stock in trade in mathematics and physics, even when it comes to publishing. His previous book, The Road to Reality, was a 1,049-page bestseller, although it was mostly a textbook. Penrose doesn't do "popular", as he peppers his books with equation after equation in defiance of the publishing maxim that each one cuts sales in half. By that reckoning Cycles of Time will have about four readers, though it's probably destined to be another bestseller. As Penrose puts forward his truly Extraordinary New View of the Universe, that the big bang is both the end of one aeon and the beginning of another in an Escheresque endless cycling of time, he outlines the prevailing orthodoxy about the origins of the cosmos.

added by souloftherose | editThe Guardian, Manjit Kumar (Oct 16, 2010)

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Cycles of Time: An Extraordinary New View of the Universe

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Cycles of Time (book)

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Amazon.com Product Description (ISBN 0307265900, Hardcover)

From the best-selling author of The Emperor’s New Mind and The Road to Reality, a groundbreaking book that provides new views on three of cosmology’s most profound questions: What, if anything, came before the Big Bang? What is the source of order in our universe? What is its ultimate future?

Current understanding of our universe dictates that all matter will eventually thin out to zero density, with huge black holes finally evaporating away into massless energy. Roger Penrose—one of the most innovative mathematicians of our time—turns around this predominant picture of the universe’s “heat death,” arguing how the expected ultimate fate of our accelerating, expanding universe can actually be reinterpreted as the “Big Bang” of a new one.

Along the way to this remarkable cosmological picture, Penrose sheds new light on basic principles that underlie the behavior of our universe, describing various standard and nonstandard cosmological models, the fundamental role of the cosmic microwave background, and the key status of black holes. Ideal for both the amateur astronomer and the advanced physicist—with plenty of exciting insights for each—Cycles of Time is certain to provoke and challenge.

Intellectually thrilling and accessible, this is another essential guide to the universe from one of our preeminent thinkers.

(retrieved from Amazon Tue, 08 Jan 2013 03:25:58 -0500)

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"A groundbreaking book providing a new take on three of cosmology's most profound questions: What, if anything, came before the Big Bang? What is the source of order in our universe? What is the universe's ultimate future? Current understanding of our universe dictates that all matter will eventually thin out to zero density, with huge black holes finally evaporating away into massless energy. Roger Penrose--one of the most innovative mathematicians of our time--turns around this predominant picture of the universe's "heat death," arguing how the expected ultimate fate of our accelerating, expanding universe can actually be reinterpreted as the "Big Bang" of a new one. Along the way to this remarkable cosmological picture, Penrose sheds new light on basic principles that underlie the behavior of our universe, describing various standard and nonstandard cosmological models, the fundamental role of the cosmic microwave background, and the key status of black holes. Intellectually thrilling and accessible, Cycles of Time is another essential guide to the universe from one of our preeminent thinkers"--… (more)

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