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December 21, 2017 05:21 am PST
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/VRrvAVQco1k/miniature-motors-powered-by-sp.html
Miniature motors powered by spinning drops of liquid
If you've ever observed "wine legs," the rivulets that form when you swirl wine in a glass, you've seen the Marangoni effect. Watch how scientists are using this effect to create tiny motors that emit no pollutants. (more…)
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/VRrvAVQco1k/miniature-motors-powered-by-sp.html
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