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Comments by "blank" (@_blank-_) on "UV light kills viruses. Why isn't it everywhere?" video.
More like "Why are they everywhere?" about Hebrews.
2
No, for injecting disinfectants in people's lungs.
2
Intelligence and technology is part of human evolution.
2
It's already the case, both in sanitation plants and for your aquarium.
2
No, he first mentioned UV light and then talked about disinfectants separately.
1
Natural background radiation levels vary a lot, so it's a question of whether it's in the acceptable range.
1
What about in air filtration? The UV-C light doesn't escape and all the air is getting sterilized? A bit how water filters work.
1
I think military food is (or was?) irradiated to preserve it.
1