About Time: Cosmology and Culture at the Twilight of the Big Bang Review

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About Time: Cosmology and Culture at the Twilight of the Big Bang Review*****
"As our ideas about cosmology and cosmic time have changed, human time has also changed radically over the millennia. The Industrial Revolution, with its roots in the scientific discoveries of Newton and its radical reformation of human life, is perhaps the most potent and obvious example of the binding of human and cosmic time." --Adam Frank
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Einstein has overturned the Newtonian notion that time is absolute, while steadily clicking in the background. More specifically, the problem is the way that time is tied up with space in Einstein's gravity, general theory of relativity. Instead he argued that time is another dimension, woven together with space to form a pliable fabric that is deformed by matter. In quantum mechanics, time retains its Newtonian indifference, an obstacle providing a platform against which matter dances but never being affected by its presence. The two conceptions of time are not compatible. Such mixed perceptions about a quantum gravity theory sends space and time back to their Newtonian roots.
U.Cal HoYava's solution is to cut off threads that bind time to space at very high energies, as found in the early universe where quantum gravity rules. When it comes to explaining the cosmic riddle on the singularity of the big bang, bolder claims have been made even where the laws of physics seem to break down. If Berkley's HoYava recently proposed gravity is true, argues Robert Brandenberger, McGill University cosmologist, then the universe didn't bang, it bounced. His calculations show that capillary waves produced by the bounce match those already detected by satellites measuring the cosmic microwave background, and he is now looking for signatures that could distinguish the bounce from the big bang scenario.
Astrophysicist Frank explores the relationship between changing ideas in cosmology and the cultural concept of time. Time is both the most daring projection of the universe we human beings have been able to imagine and explore. It is such an integral part of our lives that we never think about its real meaning or significance. For Adam Frank, "the provocative story of time is two tightly interwoven stories, one cosmic and one human-scale." Time has been a crucial concept, even leading to an increasingly detailed takes on the birth of time at the Big Bang, and the ultimate fate of the universe. Weaving cosmology into our daily experience with his lively wit and engaging style, Dr. Frank explains how our lives change with our conception of time, combining personal time with the cosmological.
If cosmology is to re-imagine time, how will that affect our experience of time from moment to moment? forms the heart of this wonderful book's second narrative, to which frank replies; The roots of cosmology cannot be reworked without a new conception of time, its origins and its physical nature. In Big Bang cosmology, physicists imagined time to simply begin, like God firing up the engine on his cosmic Porsche. Alternative cosmologies, hovering just across the horizon, must replace that vision with something new. Time is, however, slippery stuff. In both our abstract ideas about time and our attempts to understand its direct experience we are always walking on thin ice. Our scientific theorizing about time must always, at some point, meet our concrete, day-to-day movement through it.
This book tells two stories that are braided so tightly they cannot be separated, even if they have never been told together before, writes cosmologist Frank,... the twin narratives I am about to unfold encompass the grandest conception of the Universe...to imagine and explore.
Time is Real - A Case for Time as a Physical PhenomenonAbout Time: Cosmology and Culture at the Twilight of the Big Bang Overview

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