Dave Richeson (@divbyzero) 's Twitter Profile
Dave Richeson

@divbyzero

Mathematician. Curley Chair in Liberal Arts at Dickinson College. Author of Tales of Impossibility and Euler's Gem. Now: divbyzero.bsky.social

ID: 15810838

calendar_today11-08-2008 17:39:51

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Dave Richeson (@divbyzero) 's Twitter Profile Photo
Dave Richeson
@divbyzero

2 years ago

Nice puzzle posted by Colin Beveridge on Mastodon (that he said came from Reddit): Toggle one pixel to make this correct. No spoilers for those who don't see it!

Nice puzzle posted by <a href="/icecolbeveridge/">Colin Beveridge</a> on Mastodon (that he said came from Reddit): Toggle one pixel to make this correct. No spoilers for those who don't see it!