MIT students honored the dear departed geek hero Gary Gygax (creator of Dungeons and Dragons) by fabricating a gigantic D20 and rolling it into the notorious prank zone Killian Court. Eric Schmiedl's got a gallery of great photos of the natural 20 in all its glory.
(via Laughing Squid)
See also: Dungeons & Dragons Creator Gary Gygax Passes Away; Interview on Gadgets