From Eternity to Here: The Quest for the Ultimate Theory of Time
A rising star in theoretical physics offers his awesome vision of our universe and beyond, all beginning with asimple question: Why does time move forward?
Time moves forward, not backward—everyone knows you can’t unscramble an egg. In the hands of one of today’shottest young physicists, that simple fact of breakfast becomes a doorway to understanding the Big Bang, theuniverse, and other universes, too. In From Eternity to Here, Sean Carroll argues that the arrow of time,pointing resolutely from the past to the future, owes its existence to conditions before the Big Bang itself— a period modern cosmology of which Einstein never dreamed. Increasingly, though, physicists are going out intorealms that make the theory of relativity seem like child’s play. Carroll’s scenario is not only elegant, it’s laid out inthe same easy-to- understand language that has made his group blog, Cosmic Variance, the most popular physicsblog on the Net.
From Eternity to Here uses ideas at the cutting edge of theoretical physics toexplore how properties of spacetime before the Big Bang can explain the flow of time we experience in our everydaylives. Carroll suggests that we live in a baby universe, part of a large family of universes in which many of oursiblings experience an arrow of time running in the opposite direction. It’s an ambitious, fascinating picture of theuniverse on an ultra-large scale, one that will captivate fans of popular physics blockbusters like ElegantUniverse and A Brief History of Time.
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