from techsonia.com: A must have toy of 1980 and 1981 has turned forty now, and its birthday is being celebrated in a Jersey City exhibition at Liberty Science Center. A Rubik’s cube was developed by Erno Rubik. Any typical Rubik’s cube has attractive different colors and nine squares on six sides. It can be twisted in 43,252,003,274,489,856,000 ways. On Saturday, the exhibition will be opened for public. This exhibition features $2.5 million Rubik’s cube made from 18-karat gold. The gold Rubik’s cube can be twisted and turned in the similar manner as any typical plastic cube. In addition, the exhibition also has a cube-solving robot. It takes a minute to solve the puzzle, which is no match with the human speed cubers. The cube can be twisted wrongly in 43,252,003,274,489,855,999 diverse ways. According to Mr. Rubik, cube is highly popular in teenagers because they are competitive and have time in their hands.
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