More pie-in-the-sky nuttiness. Multiple worlds repelling each other. Kastner's one separate layer makes much more sense:-http://www.sciencedaily.com/releases/2014/10/141030101654.htm-"The team proposes that parallel universes really exist, and that they interact. That is, rather than evolving independently, nearby worlds influence one another by a subtle force of repulsion. They show that such an interaction could explain everything that is bizarre about quantum mechanics."