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Ultraviolet light can kill almost all the viruses in a room. Why isn’t it everywhere? (www.vox.com)

submitted 9 months ago by L4s@lemmy.world to c/technology@lemmy.world

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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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[–] RaincoatsGeorge@lemmy.zip 26 points 9 months ago (1 children)

We use uv light stands in the hospital. We will shut down a room and run a uv sanitizer for a bit. It works in some instances but it's not exactly something you can just leave running all the time. Everyone would probably have a sick tan tho.. To go with their skin cancer..

[–] SuperIce@lemmy.world 4 points 9 months ago (1 children)

Those are 254nm. Far-UV is 222nm, which doesn't penetrate or damage skin or the eyes and seems to be completely safe to humans. The main issue is that it can generate ozone, but how significant that is is currently unknown.

[–] Bjornir@programming.dev 5 points 9 months ago

Ozone is also used to disinfect, that's double the disinfection power!!!