How nice to find a physicist who can walk right up to the precipice of the idea that we need "a conscious universe" that collapses all those pesky wave functions, and just walk away. His inclusion of several Robert Heinlein stories related to topics like time travel is very sweet. I wish he was able to take the time to explain more of the issues that were never mentioned in my intro physics class such as the relationship between the vacuum energy and the cosmological constant and how the Standard Model predicts that, "Whenever a symmetry is broken, a large amount of energy is dumped into the vacuum". I wish Kaku would give 1 or 2 details about how Sidney Coleman added up the effect of "an infinite web of interlocking wormholes". What are we to make of Kaku's statements such as, "If Coleman's purely mathematical arguments are correct, they would give hard experimental evidence that wormholes are an essential feature of all physical processes, and not just some pipe dream." Ah, hmm....purely mathematical arguments now pass for hard experimenal evidence? Did I miss something here?

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