Every time North Korea launches a missile, experts pore over photographs and videos to learn more about the country's weapons capabilities. It's a form of kremlinology, one where something so ...

This is for commenter JimP. How do you take into account uncertainty when using video analysis? A great question. The first thing to think about is where does the uncertainty come from? My first guess ...

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 ...