this post was submitted on 19 Jan 2024
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Ultraviolet light can kill almost all the viruses in a room. Why isn’t it everywhere? (www.vox.com)
submitted 10 months ago by L4s to c/technology
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Ultraviolet light can kill almost all the viruses in a room. Why isn’t it everywhere?::Can special lightbulbs end the next pandemic before it starts?

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[–] [email protected] 1 points 10 months ago (2 children)

Yeah UV light alone is safe, but by the end of the article it mentioned that far-UV light also triggers a chemical reaction that creates ozone, which is dangerous. It needs a good ventilator system to make it safer.

[–] [email protected] 3 points 10 months ago

UV-A is quite safe, UV-B are the harmful wavelengths that cause the harmful effects of sunlight, UV-C is much worse. The light that kills viruses, UV-C quickly damages your eyes quite severely, and also burns your skin and can cause skin cancer far, far faster than UV-B.

https://en.wikipedia.org/wiki/Ultraviolet#Harmful%20effects

[–] JustZ 1 points 10 months ago

I've been using both a dedicated Ozone generator in unoccupied rooms and a UV sanitizing light built into the HVAC system. Seems to be improving allergies.