Posted on Categories Discover Magazine
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In 1974, an architecture professor named Erno Rubik built a movable piece of art to help his students understand three-dimensional problems. Though his own creation took him more than a month to solve, it soon became an iconic puzzle game, the Rubik’s cube.
The goal of the game is to re-arrange the faces of a cube decorated with 54 multi-colored squares so that each face shows a solid block of color. There are 43 quintillion potential ways to arrange the sq