The fastest time to solve a Rubik’s cube by a robot is 2.39 seconds, achieved by a robot built by Zackary Gromko (USA) at an event at Saint Stephens, Bradenton, Florida, USA, on 15 October 2015. Read the full story: http://bit.ly/GWR-RubiksCubeRobot
The robot utilises 6 arms (one for each face of the cube) connected to stepper motors to rotate the faces of the cube.
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