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Watch these hot balls cut through water like a knife through butter

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Channel: Science Magazine
Categories: Science   |   Technology  
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Air pockets surrounding metal balls cut drag up to 90%. Learn more: http://scim.ag/2fMa8L2

Read the paper (free): http://scim.ag/2xbi1DZ

boom box graphic designed by Freepik
bit.ly/2xbuPdl

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