Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

Imagine you are a 14-year-old kid again. You need to do this really difficult math exercise for tomorrow, but have no idea how to do it. What if you could just open an app on your phone, point your ...

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 ...