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May 5th, 2006

Nanoscale water bridges act like glue

Abstract:
Water has been found to form ice at room temperature if it is placed between a tiny tungsten tip and a graphite surface. Joost Frenken and colleagues at Leiden University in the Netherlands have found that the water effectively acts like a glue in this situation, even though water is normally thought of as a lubricant. The finding could be useful to researchers studying micro- and nanoelectromechanical systems, which can fail if the friction between the surfaces is too high.

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