Slippery Science: The Physics of Ice
StarTalk Radio
00:00
Is It a Quasi-Liquid?
Friction on ice decreases gradually at minus seven degrees C. Scientists say there is always a presence of what they call a 'quasi-liquid' That's an ultra thin, like just a few nanometers thin layer of quasi-liquid. So ice always has this layer on there and that contributes to its slipperiness.
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