Any Rubik’s Cube can be solved in 20 moves or less. The “meet in the middle” algorithmic trick can help a computer program solve a Cube in minutes or hours instead of millenia.
If you’re interested, there’s a lot more information about algorithms and Rubik’s Cubes in the video’s description.
See also MIT Robot Solves Rubik’s Cube in 0.38 Seconds and A Self-Solving Rubik’s Cube.
Tags: mathematics Rubik’s Cube videofrom kottke.org https://ift.tt/mK8t0vI
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