Coincidentally I was just checking out a v8 air engine someone made: http://jalopnik.com/391187/lego-maniac-blows-minds-with-1440-rpm-mindstorms-v8-lego-engine

Coincidentally I was just checking out a v8 air engine someone made: http://jalopnik.com/391187/lego-maniac-blows-minds-with-1440-rpm-mindstorms-v8-lego-engine http://jalopnik.com/391187/lego-maniac-blows-minds-with-1440... Also a sudoku solver out of Lego: http://www.escapistmagazine.com/news/view/94177-Swedish-Hacker-Builds-Sudoku-Solving-Lego-Robot http://www.escapistmagazine.com/news/view/94177-Swedish-Hack... Equally impressive :)