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 ...

Strings of colorful light bulbs are indispensable decorations during Christmas. Colorful bracelets and necklaces will be the perfect gifts for little girls You can change the wire length and diameter ...

A simple Snake-Water-Gun game in Python where you play against the computer. Great for beginners to practice conditionals, loops, and randomization.