Watch a robot solve a Rubik's cube in under .5 seconds

Watch a robot solve a Rubik's cube in under .5 seconds

A pair of inventors from the United States have built a robotic machine that can solve a Rubik's Cube in 0.38 seconds.

They said that the robot initially destroyed the cube.

The speed improvement over previous attempts came as a result of the pair's decision to use better motors than previous competitors (Kollmorgen ServoDisc U9-series motors, if you're a hardware nut).

Readers of a certain age will, at some point in their lives, have become so frustrated trying to solve the classic 80s Rubik's Cube puzzle that they've flung it against a wall. That is where they realized that they can use better motors than competitors and solve the puzzle very fast.

Researchers thought that they could set the record by using a motor in the robot. The algorithm designed inside the cube determines the step by step process involved in solving the Rubik's cube.

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The Rubik's Contraption hasn't been reviewed by Guinness World Record officials yet, so Katz and Di Carlo's experiment hasn't been made an official Guinness World Record. "The machine can definitely go faster, but the tuning process is really time consuming since debugging needs to be done with the high-speed camera, and mistakes often break the cube or blow up FETs", Katz explained in his blog.

"For the time being, Jared and I have both lost interest in playing the tuning game", Katz, a student at the Massachusetts Institute of Technology, wrote on his blog.

And still the new record-holder bested it by more than 40 percent with a surreal.38 second solve.

Every movement of the robot takes just 15 milliseconds.

Its time of 0.637 seconds beat the previous world record of 0.887 seconds, set by an earlier prototype of the same machine. The world human cube resolving record is 4.59 seconds. If the speed recorded in this video is any indication, however, it's clear that the Rubik's Contraption will soon take the throne when it comes to cube speed.

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