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Thursday, March 29, 2018

Static friction between surfaces can be made to disappear entirely

https://ift.tt/eA8V8J Researchers have demonstrated how to entirely suppress static friction between two surfaces. This means that even a minuscule force suffices to set objects in motion. Especially in micromechanical parts, where only small forces are at play, a vanishing static friction can lead to hugely improved levels of efficiency.

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