Oh, and this imagined world has 11 dimensions, not the four dimensions – up/down, left/right, backwards/forwards and time – we have in our so-called real world.

String theory is perhaps the most high-profile candidate for what physicists call a theory of everything – a single ...

While still theoretical and highly debated, the mathematics of string theory suggests that there could be multiple dimensions of time.

String theory says we may be living in a universe where reality meets science fiction: A universe of 11 dimensions, with parallel universes right next-door. An elegant universe composed entirely ...

Current versions of string theory require 10 dimensions total, while an even more hypothetical über-string theory known as M-theory requires 11.