Comments by "Lucasljs" (@lucasljs1545) on "This is just sad.." video.

  1. This is UVC, it can cause damage for SECONDS of exposition. It directs damage DNA, it can be used as water treatment to kill any biological hazards on water without needing any chemicals.
    1
  2. UVC causes direct DNA damage. It is used as water treatment to remove biological contamination. The best treatment also.
    1