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 ...
via Medindia Health News More READ
No comments:
Post a Comment