(Music) On a typical day at school, endless hours are spent learning the answers to questions, but right now, we'll do the opposite. We're going to focus on questions where you...
JAMES GRIME: We love pi, of course. Everyone loves pi. But one of my favorite pi facts is-- and I think it's fun. You only need 39 digits of pi to be able to measure the circumference of the...
Suppose you're ambitious enough to try to describe everything in the observable universe in one single mathematical equation. DONE. OK, so that doesn't include gravity or a few other...
ANTONIO PADILLA: Imagine you had a universe which was a googolplex meters across, OK, so a big universe. Then, that's very big. And if you actually traveled far enough in that universe, you...
Everyone loves the idea of parallel universes - maybe it's the appeal of an ideal world where you have second chances and things turn out differently - an alternate reality where you do get...