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Beyond star trek
In the second half of the book Krauss's main aim seems to be to discount the possibility of the paranormal by looking at the possible physical explanations. Thus he introduces the reader to quite a bit of physics on the way. So was this an improvement? Well my feeling was that he rather lost the plot. Unfortunately what he says isn't always accurate, for instance he claims that Newton and Huygens established that light was a wave. I didn't think that he did a particularly good job at debunking the paranormal either. Hence the book might be ok for a bit of light reading, but it's not one to be taken particularly seriously.