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Domain: cube20.org

Stories and comments across the archive that link to cube20.org.

Stories · 1

  1. Rubik's Cube Now Solvable in 20 Moves

    Idle · · posted by CmdrTaco · from the good-use-of-spare-time dept. · 309 comments
    A few years ago we reported that it had been proven that Rubik's Cubes could be solved in 23 moves. Well now that number is down to just 20. Proving it required 35 years of computer time donated by Google to get it done.