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 ...

Sumo Paint is a more advanced tool for those who want to draw and paint directly in the browser. It’s also available as a regular computer program. However, the latter requires a paid subscription.

What made a man survey over 4,000 kilometres of India’s coastline on foot over 19 years as he studied the different varieties ...