He 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.
The robot utilises 6 arms (one for each face of the cube) connected to stepper motors to rotate the faces of the cube.
Read the full story: "
Robot created by American student solves a Rubik’s cube in just 2.39 seconds"
by Rachel Swatman
November 12, 2015