But if parallel universes do exist, could we ever travel to them? It certainly wouldn't be easy, but let's explore this ...

Is it possible according to science? Explore the theories, paradoxes, and real-world concepts behind time travel.

There is a strangeness to the cosmic symphony that may encompass time travel, higher dimensions, quantum superspace, and parallel universes—worlds that resemble our own and perhaps even occupy ...

Suddenly there was talk of all kinds of bizarre concepts, from time travel to parallel universes. So what is going on? Has Einstein's famous theory of relativity finally met its match? Will we one ...

But time-traveling backwards ... Any changes in the past create entirely new parallel universes. In the movie, a character called the Ancient One warns Bruce Banner about this.

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 ...

(Thereafter it will disappear into a parallel universe.) This one-hour program is divided into five chapters. Choose any chapter below and select QuickTime or Windows Media Player to begin viewing ...