Rubik's Cube

Rubik's Cube, a type of 3-D mechanical puzzle, was invented in the year 1974. Erno Rubik, an architecture professor and a sculptor, was the first person to invent this mechanical puzzle. The Rubik's Cube was originally known as the "Magic Cube". In1980, Rubik licensed the puzzle and the Ideal Toy Corp. started selling it. In the same year, this puzzle earned the German Game of the Year for Best Puzzle. Over 350 million Rubik's Cubes were sold throughout the world by January 2009, making it the top-selling puzzle of the world. Even today, it is often believed to be the best selling toy in the world.

A Rubik's Cube has six faces with each face coated with 9 stickers of six different colors. Traditionally, red, blue, white, green, yellow and orange colors are used, but modern models may use other colors. The cube has a pivot mechanism which makes it possible to turn the faces independently and mix up the different colors. One has to arrange the sides in a manner that each side consists of a single color in order to solve the puzzle. At present, similar puzzles are manufactured having different numbers of stickers. All these puzzles are not by Rubik.

Concept and Development

Earlier Attempts

A 2󫎾 "Puzzle with Pieces Rotatable in Groups" was invented by Larry Nichols in March 1970. An application for a Canadian patent was also filed by Nichols. He used magnets for holding the pieces together in the cube. The US Patent 3,655,201 was grated to Nichols on the 11th April in 1972, two years prior to the Rubik's Cube's invention.

A patent was applied by Frank Fox for his invention "Spherical 3󫢫" on 9th April, 1970. The UK patent (1344259) was granted to him on 16th January, 1974.

Rubik's Cube

Rubik's Invention

Erno Rubik was a professor of architecture at the Department of Interior Design at Academy of Applied Arts and Crafts located in Budapest. Rubik is said to have invented the puzzle to make it easier for his students to understand 3D objects. However, his real purpose was to solve the problem of a mechanism in which all the parts can be moved independently without collapsing the entire mechanism. He did not know that he had produced a puzzle before scrambling the new cube for the first time and then trying to restore it. Rubik was granted the Hungarian patent HU170062 for the "Magic Cube" in the year 1975. In Hungary, the Rubik's Cube was initially known as "B?v鰏 kocka" or "Magic Cube". The patent law prevented the Rubik's Cube from getting an international patent one year after it received the original patent. The Ideal Toy Corp. wanted a recognizable name that can be used as a trademark for selling the cubes. As a result, the puzzle was renamed after Rubik in the year 1980.

Records

Feliks Zemdegs currently holds the world record for solving the 3󫢫 cube at the 2011 Melbourne Winter Open. He holds the record for ave. time/solve. He takes 7.64 second in average for solving the cube.

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