@ProfSteveFuller I don't think there are any. I asked folks to share the coolest and hardest things they ever made.
In reply to https://twitter.com/ProfSteveFuller/status/905841575116320770
@ProfSteveFuller I don't think there are any. I asked folks to share the coolest and hardest things they ever made.
By Greg McVerry · Permalink · Original tweet
