• photography

  astrophotography and some down-to-earth work

• error detection magic trick

  code to generate classroom handouts for an error detection lesson

• computer music

  I make digital instruments, compose, and perform computer music

• key pairs for by-hand encryption

  scripts to generate arbitrarily complex classroom handouts for public/private graph pairs

• graphic design

  some graphic design hobby work

• handstand canes

  I made some props for practicing handstands