The concept of parallel universes suggests that multiple versions of reality may exist simultaneously. This idea stems from interpretations of quantum mechanics, where every possible outcome could ...

according to string theory, exist in parallel dimensional membranes—bump into one another, the impact sets off an astronomical Big Bang that generates a universe-worth of elements in the fiery ...

An curved arrow pointing right. CalTech theoretical physicist Sean Carroll stopped by BI to talk about string theory, parallel universes, and other exciting topics he discusses in his new book ...