Gold – soon to be available in colors other than gold

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Scientists have developed a new process for changing the surface color of gold and other metals (Image: Shutterstock)

Article Summary

Although a great many people like the “prestige” that comes with the natural color of their gold jewelry, teeth or vacuum cleaners, things are about to get a little more complicated – scientists from the University of Southampton have now devised a technique that causes gold (or other metals) to be seen in a variety of other colors ... green gold, anyone?

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