Why Is Ice Slippery?

The video explores why ice is slippery, focusing on a thin liquid water layer on its surface. Scientists propose three main theories: pressure-induced melting, friction-generated heat, and surface melting. Pressure can lower ice's melting point slightly, but not enough to explain slipperiness at very low temperatures. Friction can melt ice, but ice remains slippery even when stationary. Surface melting suggests that surface molecules are less stable and can form a liquid-like layer. None of these theories fully explain ice's slipperiness, suggesting a combination of factors is at play.

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