One type of friction can waste energy even when two perfectly smooth surfaces move against each other, but researchers are getting a handle on how to attenuate or stop it completely
Več na: https://www.newscientist.com/article/2514425-physicists-can-now-take-control-of-hidden-friction-in-devices/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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