What do you need to solve a Rubik's cube in 3.253 seconds?
So far, the only solution involves a Samsung Galaxy S4 with ARM processor, Lego Mindstorms EV3 bricks & custom software running on the S4. This all came to fruition at the Big Bang Fair in Birmingham, UK, on 15 Mar 2014.
Earlier video, even shorter, but with better views of some off the hardware:
/ Guiness World Record solve solving Rubix Rubik Rubik's cube record recording recorded time Big Bang Fair in Birmingham UK robot ARM-powered Samsung Galaxy S4 smartphone smart phone analyze instruct four robotic hands manipulate manipulations ARM processors power eight LEGO bricks perform motor sequencing control design designed designer designing built and programmed Mike Dobson David Gilday creators Android Speedcuber CubeStormer II custom app developed develop developer development phone's camera capture images each face process processor processing processes solution advanced two-phase algorithm dual-core ARM Cortex-A9 based processor SII optimise optimize optimizations octocore eight-core big.LITTLE processor configuration four Cortex-A15 Cortex-A7 processors human speedcubers' solve times physical manipulation image capture software solution calculation physical solve /
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