Symbols

Sometimes I push symbols around, on pieces of paper, or, more often, screens. Here are some of my favorite such endeavors.

What does quantum mechanics look like in the simplest possible universe that still has something clearly quantum-shaped?

An online Hanabi game with very good record-keeping.

A tool to help you bet against your friends.

My greatest creation.

Simple rules generating delightful structure.

A simulator for one of the few models of time travel that isn't completely loosey-goosey.