I learned to respect friction, as a phenomenon with many nuances, when I was a graduate student. One day, while teaching a problem session in elementary mechanics, I unwisely invented a new ...

Physics Women in physics: Why there's a problem and how we can solve it Women are still wildly under-represented in physics – but it doesn't have to be like that.

Through Search and Lens, users may solve problems centering on geometry, trigonometry, physics, and calculus, with its equation available for every prompt.

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 ...