The 3-day Rubik's Cube World Championships begin today in Sau Paulo, Brazil (July 17-19). It won't draw the crowds that the enormously successful 2014 FIFA World Cup in Brazil did, but it's a pretty cool scene -- for being so square.
There are 18 different competitions in the world championships, a healthy number of them featuring blindfolded competitors. And it's not all about the colorful Rubik's Cube you know and love, but multiple variations on the them, like the 7x7x7 cubes. The current world record holder is an American teenager, Collin Burns, who did the cube in 5.25 seconds last spring. Here he goes:
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