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Sunglasses On Demand

New sunglasses change color with the touch of a button

American Chemical Society

Apart from their style, sunglasses have changed very little in the last few decades. Photochromic lenses that change from clear to tinted in sunlight were a big breakthrough. Now new research in ACS Applied Materials and Interfaces could give that technology a big boost. Researchers at Georgia Tech have developed a polymer coating that changes colors with the push of a button. John Reynolds, Ph.D. and his team explain these “sunglasses on demand” in the latest episode of ACS Headline Scienceavailable here: