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SuperIce , 5 months ago The article talks about this specifically. Far-UV (222nm) doesn't penetrate skin or eyes and is harmless to humans. The usual UV-C used for disinfection is 254nm and is quite dangerous.
The article talks about this specifically. Far-UV (222nm) doesn't penetrate skin or eyes and is harmless to humans. The usual UV-C used for disinfection is 254nm and is quite dangerous.