And why letting people come up with their own ideas, and actually try those ideas, is almost always the best approach.

If your job revolves around sitting down, following a simple movement schedule may be the best way to alleviate back pain. In ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

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 ...