LEGO Robot Shatters World Record for Fastest Rubik's Cube Solving

Posted by Techvibes Coffee Break

A LEGO-based robot called the Cubestormer 3 smashed the Guinness World Record title for solving a Rubik’s Cube, recording a time of—well, watch the video below to find out—at the Big Bang Fair in Birmingham, UK, over the weekend.

The Cubestormer 3 wasn't an easy build, though; it was the result of 18 months of effort by co-inventors David Gilday and Mike Dobson who worked on the project in their spare time.

 

 

“In the end, the hours we spent perfecting the robot and ensuring its motor and intelligence functions were properly synchronized paid off. Our big challenge now is working out if it’s possible to make it go even faster," Dobson said.

“We knew Cubestormer 3 had the potential to beat the existing record but with the robot performing physical operations quicker than the human eye can see there’s always an element of risk,” said David Gilday. “In the end, the hours we spent perfecting the robot and ensuring its motor and intelligence functions were properly synchronized paid off."

Now for the tech jargon:

The record-breaking robot employs intelligence from a Samsung Galaxy S4 smartphone powered by an Exynos 5 Octa application processor with an eight-core ARM big.LITTLE implementation featuring four Cortex-A15 and four Cortex-A7 processors. The phone analyzes the cube, calculates the correct sequence of moves and instructs four robotic hands to do the manipulations. ARM9 processors also power the eight LEGO Mindstorms EV3 bricks, which perform the motor sequencing and control.

 

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