The other day my father asked me to turn on the bug zapper. It's one of those that uses a black light for mosquitos. I looked over, saw it glowing nice and purple, and told him it was on. "Well, the light bulb must be out then." he said, and wandered off. I looked again, and saw it was lighting up a fair section of the tree and yard around it, shrugged, and then dismissed it.
Then last night my date said she thought one of her black lights was out, because her dayglow painted stuff wasn't glowing as bright. I said, "Yeah, that one" and pointed. she punched my arm and told me I was hilarious. I had to ask if she really couldn't tell by looking which light was out. She can't. So apparently this is a thing. Now it has me wondering just how many people can and can't see ultraviolet light.
I did some research. there are a few people who see UV as well as the rest of the spectrum. I'm not
one of those. For me, a black light looks looks a light purplish color when it's on, and I can get around in a room light by a single 40w UV bulb, but it would be hard to read by. And then there are people who can't see UV at all.
So I'm curious, how do the rest of you see black lights. Do you have Super powers?