Watch these hot balls cut through water like a knife through butter – Science Magazine

Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics

Air pockets surrounding metal balls cut drag up to 90%. Learn more: Read the paper (free): http://scim.ag/2xbi1DZ

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msander

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