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What do black lights detect?

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You can see the red glow using a black light or even a strong fluorescent bulb, such as an overhead projector lamp, which (you guessed it) gives off ultraviolet light. Scorpions Glow in Black Light Some scorpions glow under ultraviolet light. read more

Black lights make fluorescers glow, like the posters of the 1960s. Fluorescers naturally occur in some biological fluids, but they also occur in vitamins, laundry detergents and soda water containing quinine. read more

A black light is a type of light bulb that emits mostly ultraviolet radiation. Although most bulbs also give off a faint violet glow, the majority of the light is outside the visible range. This energetic radiation excites molecules, often producing fluorescence or phosphorescence. read more

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