25 marzo 2015
Sunbathers could soon tell when to take shelter in the shade thanks to an early warning sunburn indicator. Researchers have developed a strip of plastic, containing ‘smart’ ink, which turns colourless from an initial blue colour just before exposure to too much ultraviolet light from the sun, prompting you to move into the shade before you burn.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4WbCOaCoawQ/150325082443.htm
