Preventing over-exposure to the sun and reducing the risk of cancer may soon be possible via a paper wrist strap similar to the bands worn at festivals. The device tells people when they have been exposed to a certain amount of UV (ultra-violet) radiation by changing colour. The monitor works by turning from yellow to pink as the strength of UV radiation increases. The wristband operates through an acid-release agent, which picks up ultraviolet ...Sunday, 12 August 2012
Soon, Disposable Wristband That Tells You When to Get Away from the Sun
Preventing over-exposure to the sun and reducing the risk of cancer may soon be possible via a paper wrist strap similar to the bands worn at festivals. The device tells people when they have been exposed to a certain amount of UV (ultra-violet) radiation by changing colour. The monitor works by turning from yellow to pink as the strength of UV radiation increases. The wristband operates through an acid-release agent, which picks up ultraviolet ...
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