When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, ...

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 ...

Picture in your mind a big parking lot with 131 million cars on it. Now imagine that they are spread out over the entire Earth’s inhabited areas. Although still a large number, it is absolutely ...

KFC operator Collins Foods says people are spending more at its outlets in an early sign of a consumer recovery as interest rate cuts and an easing in chicken and commodity prices help reduce ...

Krafft A. Ehricke Papers, Accession 2003-0025, National Air and Space Museum, Smithsonian Institution. Material is subject to Smithsonian Terms of Use. Should you ...