The author responds to this point in one of the comments; I quote: this is -- and I make no pretensions otherwise -- theoretical physics. It's not airy-fairy p

The author responds to this point in one of the comments; I quote: this is -- and I make no pretensions otherwise -- theoretical physics. It's not airy-fairy pie-in-the-sky speculation, but it also isn't proven the way you would prove that a * b = b * a. You may want to read this recent guest essay (http://scienceblogs.com/startswithabang/2011/10/guest_essay_you_are_a_scientis.php http://scienceblogs.com/startswithabang/2011/10/guest_essay_...) that does a wonderful job of explaining, with some brilliant metaphors, what this sort of theory is (and isn't).