Looks to be a very interesting book. Thanks for the heads-up. I've put in a request to the local library. I liked what he said in the Scientific American interview here:
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As a physicist, what inspired you to write a book essentially on philosophy?
It evolved over a very long time. I’ve always been interested in not only physics directly, but also the wider consequences. I was a philosophy minor as an undergraduate. I always have thought that doing physics was part of a larger intellectual project of trying to understand the whole world in different ways.
