Cool and Simple Figures out of Coins Without Glue In today's video I want to show what you can build from coins! All you need ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

“We said, ‘We don't know.' We can buy helmets and test because there's really no information available in what was good and what wasn't,” says Steve Rowson, who, as a graduate student, joined this ...