I was reading the reviews on Amazon.com of Sean Carroll's new book, From Eternity to Here, & was curious about one. All were laudatory except for 2, one of them by a failed Czech physicist that can safely be ignored. The worst one was by somebody calling himself "Ranger McCoy" & he raved on & on about something called Moving Dimension Theory (MDT). I Googled this & didn't find much, but most (all?) of the material I DID find seemed to be by the same person using different names, such as the one above, somebody calling himself Elmo McGucken or the like & maybe a couple of others. They all seemed to be saying the same thing over & over. I'm not a physicist so my question is: "Is MDT a crackpot theory & can it safely be ignored?" Thank you.