Sean Martell was magnet fishing on what he thought was a normal Friday – until he pulled up a military projectile from the Charles River in Needham, Massachusetts. Martell, who was broadcasting live ...

Everett, Wash.-based Wave Motion Launch Corp. has won a contract worth nearly $1.6 million from the U.S. Army to continue development of its Jet Gun technology. Wave Motion’s Jet Gun concept involves ...

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 ...