Parallel Universes are Interesting but...........,
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This review is from: The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos (Paperback)
I enjoy reading aboutand multiverses that come about from some areas in current theoretical research in fundamental physics. I selected this book of the many on the topic of parallel universes since it was written by Brian Greene who is a string theorist and is working on a variety of these topics. He is a person truly gifted with explaining complex topics in physics in ways that make them easier to understand. I have enjoyed his book "The " on string/M-theory along with the NOVA series DVD's on this book. I also enjoyed his NOVA series DVD's based on his "The Fabric of the Cosmos". With this in mind I read The Hidden Reality Parallel Universes and the Deep Laws of the Cosmos. Greene in this book lays out and explains nine different versions of parallel universes. The deep laws are those of quantum mechanics and general relativity. Some physicists would say that string/M-theory which he describes are not deep laws. The explanations of all subjects are as expected clear and supported with an excellent notes section in the back. If you want to learn about parallel universes and the ideas that they come from this is an excellent book to read. That's why the book gets a four .
The subtitle says the Parallel Universes and the Deep Laws of the Cosmos. All nine of the parallel universes are based on speculative physics. Some much more speculative than others.That these theories are speculative he admits throughout the book for which he deserves credit. However, in reading this book I got the feeling that this book was the long version of a submitted to be funded. This comes about in the numerous places in which he says much has been done but give us more time to work on these ideas. Part of the reason is that some of the parallel universes he describe depend upon string/M-theory which is a controversial topic in physics. This is because in the 30-40 years of its existence, string/M-theories have yet to make any unique predictions that have been observed experimentally in
The discussion on computer simulated universes is interesting. It describes a universe similar to that in the
The final chapter entitled "The Limits of Inquiry Multiverses and the Future" is well written and makes an interesting conclusion to the book.