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Presto! Fast colour-changing material may lead to improved sunglasses

Researchers in Japan are reporting development of a new so-called 'photochromic' material that changes colour thousands of times faster than conventional materials when exposed to light (c) American Chemical Society

Tags: colour, colourless, light, materials, photochromic, sunglasses, ultraviolet

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Presto! Fast colour-changing material may lead to improved sunglasses
— 27 April 2009 13:24 GMT | Chemistry

Researchers in Japan are reporting development of a new so-called 'photochromic' material that changes colour thousands of times faster than conventional materials when exposed to light... — full story