The idea that our Universe might not be alone is one of the most fascinating possibilities in modern physics. What if reality is not singular, but instead just one layer in an endless stack of ...

What if there are other universes, just like ours? With an infinite number of Earths? With uncountable versions of you? And what if we don’t have to look too far to find them? Maybe a mirror version ...

The Portal games were revolutionary not only for their puzzle-based, narrative-driven gameplay, but also for their unique physics engine, which let players open portals anywhere and conserve momentum ...

(via PBS Space Time) Some people worried that the large hadron collider would smash particles together so hard it would make black holes that would swallow the earth, open wormholes to other ...