November 3, 2014 by Howard Wiseman
Parallel universes — worlds where the dinosaur-killing asteroid never hit, or where Australia was colonised by the Portuguese – are a staple of science fiction. But are they real?
In a radical paper published this week in Physical Review X [and available here in open-access arXiv --- Ed.] we (Dr Michael Hall and I from Griffith University and Dr Dirk-André Deckert from the University of California) propose not only that parallel… read more