This is quite amazing: A guy called David Gilday has built a Lego Mindstorms NXT robot that solves a 4×4x4 Rubik’s Cube (way harder than a 3×3x3), but the twist is: the real brains of the operation is a Nokia N95 that actually scans the cube with its camera, figures out how to solve it and then tells the robot what moves to make. Very, very cool David, you have officially too much time on your hands 
Source: Make
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