It’s a fundamental principle of physics that particles with opposite charges attract each other, while those with the same charge repel. But now, scientists at the University of Oxford have found that ...

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

Rub a balloon on your hair and the balloon typically picks up a negative electric charge, while your hair goes positive. But a new study shows that the charge an object picks up can depend on its ...