When the Rubik’s Cube hit shelves worldwide in 1980, it immediately became popular. And when I say "popular," I mean, like, Pokemon popular. Harry Potter popular. By 1981, sales were in the hundreds ...
“It’s a little plastic toy,” said Jessica Fridrich, tossing a Rubik’s Cube between her long-fingered hands on a stormy afternoon in her office at Binghamton University in upstate New York, her ...
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