Your link seems to be dead. But I’m not too worried about that; an ordinary person will respond to uncomfortable levels of visible light by squinting, looking away, wearing sunglasses, etc. without expert intervention.
I think I may have been unclear; I wasn’t saying “let’s not use blue light for anything” or anything like that, just giving a bit of context. It shouldn’t be so surprising that blue light can kill some microorganisms, given that it can harm humans too.
Your link seems to be dead. But I’m not too worried about that; an ordinary person will respond to uncomfortable levels of visible light by squinting, looking away, wearing sunglasses, etc. without expert intervention.
Oops! The perils of hand-transcribing URLs.
I think I may have been unclear; I wasn’t saying “let’s not use blue light for anything” or anything like that, just giving a bit of context. It shouldn’t be so surprising that blue light can kill some microorganisms, given that it can harm humans too.