You'll see that they are stuck together. But how did they freeze together if both cubes were already solid?https://www.vox.com/science-and-health/2018/2/13/16973886/olympics-2018-ice-skating-science-speed …
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There's a tiny tiny tiny (millionth of a meter) area on the surface of ice that's always liquid. And when you join the cubes together, these layers freeze together.
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Michael Faraday guessed this was the case in the 1800s, well before the science of molecules was understood. And now scientists can actually image the semi-liquid layer with super-powered microscopes.
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In conclusion, ice is awesomehttps://www.vox.com/science-and-health/2018/2/13/16973886/olympics-2018-ice-skating-science-speed …
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