Times Arrow and Archimedes Point: New Directions for the Physics of Time

Paperback | September 1, 1997

byHuw Price

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Why is the future so different from the past? Why does the past affect the future and not the other way around? What does quantum mechanics really tell us about the world? In this important and accessible book, Huw Price throws fascinating new light on some of the great mysteries of modernphysics, and connects them in a wholly original way. Price begins with the mystery of the arrow of time. Why, for example, does disorder always increase, as required by the second law of thermodynamics? Price shows that, for over a century, most physicists have thought about these problems the wrong way. Misled by the human perspective from withintime, which distorts and exaggerates the differences between past and future, they have fallen victim to what Price calls the "double standard fallacy": proposed explanations of the difference between the past and the future turn out to rely on a difference which has been slipped in at thebeginning, when the physicists themselves treat the past and future in different ways. To avoid this fallacy, Price argues, we need to overcome our natural tendency to think about the past and the future differently. We need to imagine a point outside time -- an Archimedean "view from nowhen" --from which to observe time in an unbiased way. Offering a lively criticism of many major modern physicists, including Richard Feynman and Stephen Hawking, Price shows that this fallacy remains common in physics today -- for example, when contemporary cosmologists theorize about the eventual fate of the universe. The "big bang" theory normallyassumes that the beginning and end of the universe will be very different. But if we are to avoid the double standard fallacy, we need to consider time symmetrically, and take seriously the possibility that the arrow of time may reverse when the universe recollapses into a "big crunch." Price then turns to the greatest mystery of modern physics, the meaning of quantum theory. He argues that in missing the Archimedean viewpoint, modern physics has missed a radical and attractive solution to many of the apparent paradoxes of quantum physics. Many consequences of quantum theoryappear counterintuitive, such as Schrodinger's Cat, whose condition seems undetermined until observed, and Bell's Theorem, which suggests a spooky "nonlocality," where events happening simultaneously in different places seem to affect each other directly. Price shows that these paradoxes can beavoided by allowing that at the quantum level the future does, indeed, affect the past. This demystifies nonlocality, and supports Einstein's unpopular intuition that quantum theory describes an objective world, existing independently of human observers: the Cat is alive or dead, even when nobodylooks. So interpreted, Price argues, quantum mechanics is simply the kind of theory we ought to have expected in microphysics -- from the symmetric standpoint.Time's Arrow and Archimedes' Point presents an innovative and controversial view of time and contemporary physics. In this exciting book, Price urges physicists, philosophers, and anyone who has ever pondered the mysteries of time to look at the world from the fresh perspective of Archimedes' Pointand gain a deeper understanding of ourselves, the universe around us, and our own place in time.

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From Our Editors

Why is the future so different from the past? Why does the past affect the future and not the other way around? What does quantum mechanics really tell us about the world? In this exciting and accessible book, Australian philosopher Huw Price throws new light on these great mysteries and presents an innovative and controversial view of...

From the Publisher

Why is the future so different from the past? Why does the past affect the future and not the other way around? What does quantum mechanics really tell us about the world? In this important and accessible book, Huw Price throws fascinating new light on some of the great mysteries of modernphysics, and connects them in a wholly original...

Huw Price is Reader in Philosophy at the University of Sydney, Australia. He is the author of Facts and the Function of Truth (1988) and a wide range of articles in leading journals such as The Journal of Philosophy, Mind, and Nature.

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Format:PaperbackDimensions:320 pages, 5.98 × 9.02 × 0.51 inPublished:September 1, 1997Publisher:Oxford University Press

The following ISBNs are associated with this title:

ISBN - 10:0195117980

ISBN - 13:9780195117981

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Table of Contents

The View from Nowhen; More Apt to Be Lost than Got: The Lessons of the Second Law; New light on The Arrow of Radiation; Arrows and Error in Contemporary Cosmology; Innocence and Symmetry in Microphysics; In Search of the Third Arrow; Convention Objectified and the Past Unlocked; Einstein's Issue:The Puzzle of Contemporary Quantum Theory; The Case for Advanced Action; Overview.

From Our Editors

Why is the future so different from the past? Why does the past affect the future and not the other way around? What does quantum mechanics really tell us about the world? In this exciting and accessible book, Australian philosopher Huw Price throws new light on these great mysteries and presents an innovative and controversial view of time and contemporary physics

Editorial Reviews

"Particularly illuminating in that Price shows how philosophers and physicists have failed to see temporal symmetries because of the influence of their own temporally asymmetric perspective.... A real advance in the interpretation of quantum mechanics. Not only philosophers of science but alsotheoretical physicists should be excited about this lovely book."--J.J.C. Smart, Emeritus Professor, Australian National University