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In 2018 we discovered 210nm light kills viruses (ie: COVID) while still remaining SAFE for people. Eventually 210nm lights can be deployed in public spaces to sterilize viruses from the air, surfaces or even skin without anyone noticing. https://www.nature.com/articles/s41598-018-21058-w …pic.twitter.com/cO0ePpqZHY
It's important to note that the percentage of viruses killed is proportional to the amount of light and exposure time (a bit like soap). Unlike soap you can expose large areas to large amounts of light for long periods without interrupting normal activity.
This is amazing. Why aren't more people talking about this?
I think this about almost every one of his tweets.
That’s amazing. Do you know of any synthetic fiber that can kill virus by messing with it’s outer oil layer / membrane?
Nope. Don't know much about synthetic fibers. Sorry!
Sounds like great solution to temporary sterilize public places like hospitals and train stations. At the same time this will also kill a lot of harmless, good, sometimes essential bacteria (?)
If we're worried about good bacteria we could limit it to high risk zones like transit and hospitals and only during flu seasons or a pandemic. I'd love to know more about disadvantages of killing too much bacteria in a human environment.
What's the rate at which it mutates bacterial DNA at the same time? (If any)
Doesn't mutate, just kills by breaking down the DNA or RNA entirely.
Great article! Answered a lot of my questions. Amazingly detailed benchmark. I'm wondering about the attenuation of light from a source deployed in a typical environment? How much attenuation per unit of distance, how does humidity affect the passage of this light, etc. ? ?
My impression is that it'll go pretty far, the main reason why we don't get this wavelength from space is the ozone layer I think.
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