How college students built the fastest Rubik’s Cube-solving robot yet

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. A team of Purdue University students recently set a new Guinness World Record with their custom robot that solved a Rubik’s Cube in just 0.103 seconds. That was about a third of the time it took the previous record-setting bot. But the new record wasn’t achieved by simply building a robot that moves faster. The students used a combination of high-speed but low-res camera systems, a cube customized for improved strength, and a special solving technique popular among human speed cubers. The Rubik’s Cube-solving robot arms race kicked off in 2014, when a robot called Cubestormer 3 built with Lego Mindstorms parts and a Samsung Galaxy S4 solved the iconic puzzle in 3.253 seconds — faster than any human or robot could at the time. (The current world record for a human solving a Rubik’s Cube belongs to Xuanyi Geng, who did it in just 3.05 se ... Read full article.