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 how your variables change, how functions call each other, and where errors ...

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.