[Randall Munroe] certainly understands the power of graphical representation of data. The humorous plots in his xkcd webcomic are one of the favorite parts for many readers. Their distinctive, ...

Drew Perttula's Python grid squares program (called creategrid) defines sections of an envelope image that appear to break apart in water. As the envelope shatters, the images undergo warps and other ...

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 ...