Slick Ice Covers a Footpath (IMAGE)

American Institute of Physics

Slick Ice Covers a Footpath

Caption

Slick ice covers a footpath, reducing friction and making walking more dangerous. Bo Persson, a scientist at the Jülich Research Center in Germany, has developed a new theory to describe ice friction.

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Simon A. Eugster via <a target="_blank"href="https://commons.wikimedia.org/wiki/File:Black_ice_on_footway.jpg">Wikimedia Commons</a>

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