link | colors, graffiti, politics, telecom, theory | Fri May 3 18:52:11 EDT 2019 link | colors, green | Sun Feb 12 15:06:25 EST 2017 link | cartography, charts, colors, theory | Sat Jul 27 22:40:36 EDT 2013 link | apple, apple_ii, colors, software | Tue Apr 30 21:07:00 EDT 2013 link | checkers, colors, software, sol, trees, wires | Sun Jun 3 22:09:37 GMT 2012