Why Is Ice Slippery? A New Approach to the Mystery

The findings of the research could be used to design better lubricants in other systems.

“Our analysis of how the ice molecules are collectively organized to give them their peculiar lubricant power offers us a privileged insight into the process that could not be achieved through conventional experiments, given the huge difficulty in conducting an experimental observation of a lubricating layer of a thickness of a billionth of a meter”, stresses Luis González MacDowell, a researcher at the UCM Physical Chemistry Department.

Aside from the UCM, the study also involves the Autonomous University of Madrid and Marie Curie-Skłodowska University of Lublin, Poland.Scientists have spent two centuries wondering why ice is slippery, and what causes the liquid layer which forms on top of it. Over the decades, figures including Michael Faraday, James Thomson, Osborne Reynolds, and Philip Browden have come up with divergent hypotheses.

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