By mixing a LEGO NXT kit and a Droid smartphone, the 7x7x7 Rubiks cube has been solved in 38 minutes and 53 seconds. That might seem slow, but when compared to a traditional 3x3x3 cube there’s far more combinations and moves needed.
The whole kit was built by David Gilday who managed to port the cube solving robot software on to an Android device.
When inserting the muddled up cube in to the NXT, the Android scans each surface so it can figure out where each colour is. Once all sides are scanned it sets off working solving it in an orderly manner. The video below shows the cube being solved…
Via: Android Guys
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