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 ...

A study suggests that the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of ...

A Python visualizer is a tool that shows you how your code runs, step by step, using pictures and diagrams. It helps you see ...

Footage from both the streets of Tel Aviv and war-torn Gaza showed crowds of revelers celebrating what they hope will be the end of the two-year war.