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Arcane
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You see the person in the first image? That's Dr.Nichols, a Massachusetts chemist who first came up with the idea of a twist cube puzzle with six colored faces. It was a 2x2x2 cube. In the year 1968, he constructed a working prototype and in April 11, 1972 got a US patent for the 2x2x2 cube. Larger versions were mentioned only as a possibility. In 1974, just two years after the Dr. Nichols patent, Erno Rubik came up with the famous 3x3x3 cube we know today. It was called Magic Cube back then(See Image 4). His goal was to solve the issue of moving parts independently without breaking the mechanism, only to realise he had made an interesting puzzle after scrambling and trying to restore the cube. In 1985, a U.S. District Court ruled that Rubik's Cube infringed the Nichols patent. But another ruling in 1986 clarified that only the 2x2x2 version, NOT the popular 3x3x3 Rubik’s Cube, was guilty of infringement. (See image 3- Erno Rubik's 2x2x2 cube) Despite his earlier invention, the 2x2x2 design of Dr. Nichols was less well-known while Rubik's 3x3x3 cube became a global sensation.
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