Pi Day 2018 is March 14. If you think you know everything about the apparently endless irrational number Archimedes tried and failed to claim as his own, test yourself with this collection of Pi trivia, videos and history right here .. Read more
Scientists for years have been trying to duplicate the kinds of holographic 3D display tech we see in Star Wars, The Matrix and other movies. Here’s how one scientist flipped the problem on its head — and solved it. By GINA SMITH Read more