Japanese researchers found they could explain macroscopic friction in muscovite using theoretical calculations of microscale frictional forces. They hope to develop a theory that can explain frictional strength across a broad range of clay and clay-like minerals.
Read MoreThe melting point of a solid is the temperature at which the solid transforms into a liquid—but is it possible to lose structural rigidity without a change in temperature? Engineer and YouTuber Mark Rober has filled his hot tub with sand to give us the answer.
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