Book review: A Universe from Nothing: Why There Is Something Rather than Nothing by Lawrence M. Krauss.
This book has a few worthwhile sections, such as a good explanation of how virtual particles imply that matter came to exist in a previously empty region of space. But the book has much less substance than Tegmark’s Our Mathematical Universe (in particular, Tegmark comes much closer to answering why there is something rather than nothing).
One puzzling claim he makes is that scientists of the far future (when the visible universe is 100 times the current size) are likely to falsely conclude there was no big bang. Whatever problems they might have with new experiments, why wouldn’t they use results of experiments done when the universe was younger?