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?

  • @Dadifer
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    310 months ago

    Far UV refers to the wavelength, not distance from humans.

    • @Nindelofocho
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      210 months ago

      You’re correct. I meant to say Upper Room UV, I edited it