For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years later ...

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

The longevity of Jobs’s ten-minute design session suggests the approach worked. The calculator survived nearly two decades of ...

In 1982, a 21-year-old Chris Espinosa faced a familiar challenge in software design: satisfying Steve Jobs’ exacting eye.