'Smart' sunglasses feature lenses that change color on demand

Get ready for the coolest, most colorful shades on the planet: Chemists at the University of Washington in Seattle say they are developing ‘smart’ sunglasses that will allow the wearer to instantly change the color of their lenses to virtually any hue of the rainbow.

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<p><a href="http://www.physorg.com/news94216721.html">'Smart' sunglasses feature lenses that change color on demand</a></p> <p>Get ready for the coolest, most colorful shades on the planet: Chemists at the University of Washington in Seattle say they are developing ‘smart’ sunglasses that will allow the wearer to instantly change the color of their lenses to virtually any hue of the rainbow.</p>