Hold the Turtle by the Hand

Microkhan’s in the midst of a vintage programming kick, and so we’ve inevitably turned out thoughts to Logo in recent days. We have incredibly fond memories of clustering around a battered Tandy in the early 1980s, to watch our school’s lone computer-proficient teacher demonstrate how simple commands could push a turtle-shaped cursor around. We’ve been hooked on the dynamics of human-machine interface ever since.

Our fandom’s led us to waste more than a few hours on this Logo emulator (which incl