In 1992, three physicists began an argument about how many numbers we need to fully describe the universe. Their surprisingly ...

Pulsars suggest that ultra–low-frequency gravitational waves are rippling through the cosmos. The signal seen by ...

We obviously can’t put the universe on a giant set of scales, but scientists have found astonishingly clever ways to […] ...

Thinking about science and technology in terms of return on investment misses the point. Here’s what kids really need to know ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...