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Secret of blowing square bubbles discovered

作者:洪酪    发布时间:2019-03-02 12:11:03    

THE cartoon character SpongeBob SquarePants is renowned for his ability to blow bubbles in the shape of everything from squid to sausages. But for us, the physics of surface tension ensures that such feats are usually impossible. Bubbles are spherical because this shape contains the maximum volume within the minimum surface area. For the same reason, the double bubble formed when two similar-sized bubbles touch usually combines into a bigger bubble,

 

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