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 tomato sandwich in August is unbeatable — juicy seasonal slices, soft bread, and a swipe of pesto. But what about in January, when the tomatoes at the store taste like, well, disappointment? That's ...

Quantum physics is the study of matter and energy at its most fundamental level. A central tenet of quantum physics is that energy comes in indivisible packets called quanta. Quanta behave very ...

An interest rate can be thought of as the cost of borrowing money, or the income you earn on saved money. Many or all of the products on this page are from partners who compensate us when you click to ...

Abstract: Five-level selective harmonic elimination pulse width modulation (SHEPWM) is an essential technology to improve the output performance with a relatively low switching frequency, especially ...