Aaron Thibeault's Reviews > A Universe from Nothing: Why There Is Something Rather Than Nothing

A Universe from Nothing by Lawrence M. Krauss
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Dec 01, 2012

it was amazing
I own a copy

*A full executive-style summary of this book is available here: http://newbooksinbrief.com/2012/01/28...

Our best science tells us that the universe is an ever expanding entity consisting of some 400 billion galaxies that began with a very powerful and very hot explosion from a single point precisely 13.72 billion years ago. The degree to which our best science here has advanced in the recent past is reflected by the understanding of the universe that we had just a century ago. At that time, it was thought that the universe was static and consisted of just one galaxy: our own. In the past 100 years, though, Einstein's theory of relativity revolutionized how we understand space and time and the physical processes operating at the very largest of scales, while quantum mechanics has revolutionized how we understand these processes at the very smallest of scales. It is the development of these theories in particular that has provided us with our current understanding of the universe.

However, the picture of the universe that these theories have furnished us with still leaves us with an apparent problem: What existed before the big bang? Surely something must have existed beforehand, for if nothing existed then something (indeed everything!) came from nothing, which seems absurd. Indeed there are few things more intuitively implausible than that something can come from nothing. In the philosophical community ex nihilo, nihilo fit (from nothing, nothing comes) is appreciated to be a self evident premise, and one of only a handful of postulates that are completely indisputable.

The apparent contradiction between the universe beginning at a finite time, and the premise that something cannot come from nothing, has often been used as an argument for the existence of an uncaused cause, or creator (most often understood as God). However, in his new book `A Universe from Nothing: Why There is Something Rather than Nothing' renowned physicist and cosmologist Lawrence Krauss argues that a full understanding of the science that has yielded our current picture of the universe also allows us to see that something can indeed come from nothing. Thus, for Krauss, science can in fact do the work that it is often thought only God could manage. As Krauss puts it (borrowing a line from the physicist Steven Weinberg), science does not make it impossible to believe in God, but it does make it possible to not believe in God (p. 183). In introducing us to the science that allows for the possibility of something coming from nothing, Krauss takes us through the history and evolution of physics and cosmology over the past century, beginning with Albert Einstein's theory of relativity in 1916. In the course of this journey we learn about what our best science says about the basic make-up of the universe (including the existence of dark matter and dark energy), as well as what our best science tells us about how the universe (likely) began and where it is (likely) heading in the future. A full executive summary of the book is available here: http://newbooksinbrief.com/2012/01/28...
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Morgan Blackledge Great book. "Nothing Is Unstable".


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