This is too awesome not to share....
http://www.techeblog.com/index.php/tech-gadget/how-to-turn-your-phone-s-camera-flash-into-a-black-light-in-5-easy-steps
Airplanes are beautiful dreams. Engineers turn dreams into reality.
I imagine that it could work with a regular digital cam too, since it's just a filter that goes over the flash.
Cool. I'll have to try this out.
lllll As of 2019 I have transitioned; My name is now Rei. Please don't deadname or misgender me, thank you. <3 lllll