Scientists Discover New Technique To Change the Color of Gold Without Using Chemicals

November 4, 2012 by  
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Photo by  Shutterstock Researchers at the  University of Southampton  have developed a new way to alter the color of gold—or just about any metal—  without  chemically altering it. The technique involves “nano-patterning” — etching the metal’s surface with patterns of specific shape and depth, which manipulates the wavelengths that are visible to the human eye. The technique could deliver valuable economic and environmental benefits, and it could be harnessed to manufacture jewelry and to make banknotes and documents more difficult to forge. READ MORE > Permalink | Add to del.icio.us | digg Post tags: eco jewelry , eco-fashion , GOLD , gold color , green fashion , green jewelry , Jewelry , nano-patterning , University of Southampton

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Scientists Discover New Technique To Change the Color of Gold Without Using Chemicals

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