October 23, 2006
Rubik’s Cube
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Rubik's Cube is a mechanical puzzle invented in 1974 by the Hungarian sculptor and professor of architecture Erno Rubik. The standard 3x3x3 version is a plastic cube consisting of 26 smaller cubes that rotate around a typically unseen kernel. Each of the nine visible faces on each side of the Rubik's Cube exhibits one of six colors. When the puzzle is solved, all nine faces on a given side of the cube display the same color. What is "speedcubing?"
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