Quickly figure out how to play any chord on any tuning, any capo position, on guitar, ukelele, banjo, and more.

Turn chords into colors! Play notes on your keyboard or MIDI device and visualize the harmonies.

I built a program to automatically scrape data and use it to predict & bet on professional Counter-Strike matches.
It worked, but it lost all $20 of its budget in a week. I wrote about my process and what I learned.

Learn about comets in an interactive simulation of comet 67P/Churyumov-Gerasimenko.

Make a pretty realistic-looking Dartmouth College ID!