What could be more bracing than a mind-toning session of Sudoku puzzle solving? A human being, a pencil and that sweet, sweet three odd pounds of all natural grey-matter, just strutting its biological computing stuff. It seems that, in another onslaught on human morale before the great conflagration, our signal processing oppressors wish to rob us of that simple pleasure of mental exercise as well.

"This little robot solves a sudoku puzzle all by itself. It scans the sudoku puzzle using a light sensor. It calculates the solution to the puzzle and then writes the digits."

After this puzzle is finished, you're goin' down...

Full Story at Tilted Twister