A couple of commenters expressed concern over the use of centrifugal force after my rant on the use of the word force. So, what is the deal with these two terms? Are they ok to use? Are they real ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: dwphotos Getty Images Centripetal and centrifugal forces are two terms used to describe ...

Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

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 ...