A Universe From Nothing Paperback – 13 Sep 2012
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Where did the universe come from? American cosmologist Lawrence M. Krauss jousts with religious creationists in this trenchant book...thought-provoking --Sunday Telegraph
In this introduction to cosmology, the theoretical physicist Lawrence Krauss explains how recent experimental observations have proved that it is scientifically possible for something to arise from nothing , providing further evidence for the Big Bang...he shows that science has an answer to what is often regarded as a theological question and that s certainly not nothing --Independent on Sunday
Science v philosophy: which can answer the big questions of life --Observer
About the Author
Lawrence M. Krauss is director of the Origins Project at Arizona State University. He is the author of more than 300 scientific publications and nine books, and the recipient of numerous international awards for his research and writing. Hailed by Scientific American as a 'rare scientific public intellectual', he is also a regular columnist for newspapers and magazines and appears frequently on radio and television.
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Top Customer Reviews
Krauss starts with the standard history of the Big Bang: the evidence that supports it, and the need to introduce `dark matter' to reconcile measurements of galactic dynamics with the observed mass of their constituents. Dark matter is about 30% of the energy of the universe. Its nature is still unknown and is a very active field of research in particle physics. Then came the speculation that quantum fluctuations result indirectly in `empty space' being the source of an even greater energy, the so-called `dark energy', which would be about 70% of the total energy of the universe. The amount of mass/energy in the universe determines its geometry, and experiments in 1998 confirmed a `flat' universe (the meaning of this term is carefully explained) so the existence of dark energy is now inescapable. It implies a resulting force that causes the expansion of the universe to increase, rather than to decrease, as had been assumed. The origin and nature of dark energy is the greatest unsolved puzzle in physics today.
Krauss then considers how quantum fluctuations could have produced the conditions for a flat universe, since even a minute deviation from flatness at the time of the Big Bang would not produce the flat universe we see today.Read more ›
The author wisely advises the reader quoting Jacob Bronowski that the nature of the universe will not be the result of hope, revelation, or pure thought;it will emanate from probing its nature and we have to accept it as it is whether we like it or not and even when it runs counter to our intuition or defies our imagination.
I find it productive to commence the review proper by defining what the author means by the term 'nothing' because in science even 'nothing' has to be defined. In the context of the book it means empty space with energy associated with it, even in the absence of any matter or radiation and in which the laws of nature such as quantum mechanics and general relativity operate. In this sense empty space is complicated. It is teeming with virtual particles that pop in and out of existence in a time so brief we cannot see them directly. Virtual particles are manifestations of a basic property of quantum systems. These 'quantum fluctuations' imply something about the quantum world:nothing always produces something, if only for an instant;or as cosmologist and Nobel prize laureate, Frank Wilczek aptly put it 'nothing' is unstable.Read more ›
In this book, the author, expanding on his popular YouTube video, describes how developments in cosmology over the last 20 years or so have helped further our understanding of the origin of our universe as well as where it is likely to be heading and how "something" may indeed have come from "nothing". We may, as the author points out, also be extremely fortunate to be living in what is a (cosmologically speaking) brief window in the history of the universe in which the evidence for the origin of the universe is relatively easily observed and deduced.
Generally speaking, I found this to be as well-written and lucid account of our current understanding of our universe, its origins and future as any that I've come across. While the author in the main does a good job of getting across some complex ideas it isn't always an easy read and is tough going in places. I found myself on several occasions thinking "No. Don't get that!" and heading back to the start of that particular passage. It is worth sticking with though and does reward the patient reader, as I can testify!!
Let me tell you from a lay perspective what I did manage to grasp. The book goes over some familiar ground, the nature of the universe has cosmology has revealed to us over the past 100 years - how we can tell that the universe is as old as it is and the by now familiar problem of dark energy and matter. The fact that the atoms in your body were forged countless millennia ago in the nuclear furnaces of long dead stars and other such wonders are covered well. He also offers a fascinating prognosis on the universe's eventual fate - now is a great time to be a cosmologist, because in a 100 Billion years time, space will expand so fast that it will physically haul galaxies along with it faster than the speed of light. That means we will no longer be able to observe other galaxies and our galaxy will appear to be alone in the universe.
But what does Krauss mean by nothing? Well, he seems to be using it in two senses. The first is empty space. It is not in fact empty. What we think is empty space is in fact mass, it has energy, it produces particles which seemingly spring from nowhere and disappear back into nowhere. Nothing in empty space weighs something because of quantum effects - particles constantly bubbling up from seemingly nowhere. That goes for sub atomic level too, 90 percent of a mass of a proton is empty space!Read more ›
Most Recent Customer Reviews
'Where did the universe come from?' is the underlying question that forms the basis of this book. And the foundation on which the author, Lawrence Krauss, builds his answer is: not... Read morePublished 1 month ago by S P Mead
good book if this subject interests you.Delivery time fineePublished 1 month ago by michael james garner
Great book, Laurence Krauss writes with knowledge, enthusiasm and wit. He explodes myths and dogma. Recommend to those seeking the truth adout the universe.Published 2 months ago by Amazon Customer
Too preachy. I hate books that place so little compassion on the beliefs of those who oppose the central position(s) of the book I'm reading. Read morePublished 3 months ago by Mr. Je Harper
Well written despite the complexity of the concepts presentedPublished 3 months ago by Andrea Agostini