• 0xD@infosec.pub
    link
    fedilink
    arrow-up
    1
    ·
    5 months ago

    There are wave lengths that you cannot perceive, like, I don’t know… UV, maybe?

    • hperrin@lemmy.world
      link
      fedilink
      arrow-up
      1
      ·
      5 months ago

      Yes, but that’s called UV, not blue. Blue light filter is a thing, and this was not that.