Alex Mariakakis et al. 2020
Coloration-altering stickers and hair dye that react to ultraviolet mild might possibly possibly well again of us gauge after they’re in menace of sunburn.
Alex Mariakakis at the University of Washington within the US labored with a team of workers at Microsoft to form printable stickers that adjust coloration from red to mild crimson at some stage within the day to point out cumulative publicity to UV mild.
The patches resemble bear a reference coloration scale to point out UV publicity, as measured by UV Index hours, a fashioned measure of UV radiation.
The patches …
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