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Wednesday, 13 April 2011

Nanotechnology keeps the shine on silver

The National Science Foundation
April 11, 2011
Anyone who's ever polished silver knows that keeping the tarnish at bay is never ending work. But, you may not know that polishing also rubs away some of the precious metal, whether it's your grandmother's silver bowl or a 19th century museum treasure.

"We're always looking for some kind of barrier that will protect the surface so we don't have to keep polishing it," says Terry Drayman-Weisser, director of conservation and technical research at the Walters Art Museum in Baltimore.
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