A robot built out of Lego can solve a Rubik’s Cube in about 3.2 seconds, but some 40 years after I first picked up the iconic puzzle, I’ve yet to solve it on my own. I assumed that successfully ...
The Rubik's Cube, which is popular all over the world, is a three-dimensional puzzle that is so difficult that even beginners cannot match it. However, the world record for the fastest time to match ...
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