Imagine a scenario in which you visit a friend’s home and, to your shock, discover a time machine sitting in her living room. After a few jaunts to check out some dinosaurs, stir up a little trouble ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

These paradoxes aren’t philosophical word games — they emerge directly from equations physicists rely on every day. Schrödinger’s wave function mathematically permits multiple simultaneous states, ...