This machine can solve the Rubik’s Cube in just 0.887 seconds


And just like that, we have a new world record! 


With their eyes set on the Guinness Book, Jay Flatland and Paul Rose last month unveiled an automated machine capable of solving a Rubik’s Cube in 0.9 seconds. However, their glory was short-lived as fellow Maker and industrial engineer Adam Beer introduced a robotic contender, named Sub1, that has officially sorted the colorful puzzle in only 0.887 seconds — breaking the previous world record by a mere fraction.

record_1

Beer’s machine only requires 20 moves to unravel the cube. As soon as the start button is hit, shutters are removed from Sub1’s two webcams, each of which capture the arrangement of all six sides. These images are then relayed to a laptop, which identify the various colors and calculate a solution using Tomas Rokicki’s implementation of Herbert Kociemba’s Two-Phase Algorithm.

robot_2

The solution is sent over to an Arduino-compatible MCU, which is tasked with actuating the 20 moves of six high-performance steppers that rapidly turn each side of the cube in 887 milliseconds.

Despite Beer’s recent accomplishment, we can’t help but think that the two teams and countless other Makers will be eager to see how quickly they can unravel the Rubik’s Cube as well.

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