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    The Gömböc

    This is a self-righting object, which means that no matter which way you put it down, it stands itself back up. It's like a Weeble, except it doesn't cheat by having a weight at the bottom, and it's the only shape that can do this.

    TxBlackLabel
    by TxBlackLabel

    Community Contributor

    Via gomboc.eu

    It took 10 to figure out how to actually make one that worked. And then everyone was embarrassed that turtles had evolved this same basic shape in their shells a long time ago.

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