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What are the uses of ultraviolet rays?

In: Physics [Edit categories]

Answer:

Curing industrial adhesives and paints. Erasing computer EPROM chips. Fraud protection by detecting fake money and invisible watermarks. Invisible property marking. Secret signatures on bank books. Tanning beds. Water purification. Air purification, making girls' bras glow bright at discos. Mineral spectroscopy. Detecting biochemical markers. Curing jaundice and the best one of all, even better than lighting up girls' underwear: Attracting flies to an electric grid so that a few thousand volts fries them to a crisp instantly.
Sterilization, suntanning,

First answer by ID0000000000. Last edit by ID2101144533. Question popularity: 1 [recommend question].

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