Add Yahoo as a preferred source to see more of our stories on Google. Ernő Rubik, who turns 80 on July 13, finished the prototype of his "Magic Cube" 50 years ago. Fifty years ago, as he sat in his ...

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This guy’s thinking outside the box. Florian Kastenmeier, of Germany, now holds the Guinness World Record for assembling the largest collection of rotating puzzles in the world — a whopping 1,519. The ...