does near-uv cause fluorescence? and is it reasonable to flash at people andor creatures for short periods of time?
look at the sky.
taste me, as the food and drink Alice found almost said. she was cast unto a stormshorn sunderedsea. you too will fall beneath my waves in time.
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in reply to @lookatthesky's post:
yes, even just blue light can trigger fluorescence. it depends on the pigment
i think theoretically any wavelenght of light can create fluorescence into any lower wavelenght of light? but im not a physics twilight, i'm a plants twilight
oh yes for sure ive thought of this before! the thing gets excited!! i kinda want an infrared camera that you hack infrared fliters into to make it infrared color images, with various infrared colors!
I have a near-UV flashlight and we can make some of the diamonds in my wife’s engagement ring to fluoresce. Some diamonds do and some don’t. It’s pretty neat to see!
oh neat, yeah I think I've seen that in gemology videos