Happy 40th, Rubik's Cube (and check out Google's Doodle)

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In honor of the 40th anniversary of the original 3x3x3 Rubik's Cube, Google put a live one on as their logo. It's a little awkward to traverse, but totally works. And if you solve it, you get a little high score callout:

Plus, they've got a cool cube lab where you can play with and make other cube experiments. (Oddly it's called a Chrome lab, though it seems to work fine in Safari.)