Lego Mindstorms robot solves Sudoku puzzles
Swedish hobbyist Hans Andersson has build a robot that can complete a Sudoko grid all by itself, a report in The Escapist has noted.On his Tilted Twister website, Andersson said that the robot, put together using a Lego Mindstorms kit, first uses an optical scanner to map the empty boxes and grab images of the numbers already entered.