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 ...

DR YAN:There's enough tension in the string to generate that sort of inwards pulling centripetal force yeah? And that's why it's going round in a circle, and the glass on it and the water in there ...

With protractors and accelerometers in hand, they measured G-forces and centripetal forces, turning a day of fun into a unique and exciting learning experience.