Sudoku-Solving Lego Robot: A Homegrown Toy With Smarts

From Popular Science:

Here's a short list of things this robot can do that I can't: Write legibly. Solve a beginner sudoku puzzle in less than 10 minutes.

Swedish hacker Hans Anderson built this robot around the Lego Mindstorms System, which he's also used to make the Tilted Twister Rubik's Cube solver.

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