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Promoted item:UV Blacklight Glow Black Light Ultra Violet Urine Stain Detector Effects New

UV Blacklight Glow Black Light Ultra Violet Urine Stain Detector Effects New

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  • 11d 1h 21m
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  • Brand
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  • US $10.98
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  • Quantity 10+Available
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NEW! 1-2 DAY SHIPPPING! 60 DAY RETURNS! 2 YR WARRANTY!
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About Black Light

Black lights, which emit ultraviolet radiation rather than visible light, are useful for a variety of recreational and professional purposes, from party lighting to forensics applications. In manufacturing fluorescent black lights, one phosphor is used rather than the two phosphors normally used for white fluorescent lights.In addition, black lights are typically encased in dark purplish glass rather than clear glass. The dark glass, also called Wood's glass, is created with nickel and cobalt oxide and blocks most visible light. Sometimes black lights are created by simply replacing the clear glass of an incandescent bulb with Wood's glass. For certain scientific procedures, black lights are tremendously useful. Because their ultraviolet light can illuminate phosphorescence and fluorescent materials, black lights make it possible to shed light on objects that cannot be seen with the human eye. Often black light is used to authenticate money, antiques, and identification badges. It can also be used in criminal investigations by illuminating saliva and other human fluids.Because of its eerie, otherworldly glow, black light is also a popular lighting scheme for parties, dance clubs, bowling alleys, bars, and other places where mood lighting is desirable. When black light is present, articles of white or light-colored clothing will appear to become much brighter and full of light. It can also cause fluorescent paint colors to stand out intensely, particularly when the painting is on a piece of black velvet. In the 1970s, these velvet paintings were enormously popular, and are still prized by many collectors today.