Parallel universes have haunted science fiction for decades, but a surprising number of top scientists believe they are real.
In the mainstream, it is argued that there are three main types: 1). Some exist at the furthest edges of our universe; 2). Others hang out in an area surrounded by Dark Energy, cald the “multiverse”; 3). Others are right here, in the same space.
It’s believed that you can’t travel to these other universes – but you don’t need to: there’s already an identical clone of you, who thinks s/he’s you…