Is gravity created because we're in a simulation? The double slit experiment and linear models show that particles can change back in time when someone observes it. These 11 cities could see heavy ...

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 ...

This article is an extended version of the article “The double-slit experiment” that appeared in the September 2002 issue of Physics World (p15). It has been further extended to include three letters ...