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2. Blacklight - Wikipedia

   en.wikipedia.org/wiki/Blacklight

   Blacklight fluorescent tubes. The violet glow of a blacklight is not the UV light itself, but visible light that escapes being filtered out by the filter material in the glass envelope. A blacklight, also called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave ultraviolet light and very little visible light.

3. Fluorescent lamps and health - Wikipedia

   en.wikipedia.org/wiki/Fluorescent_lamps_and_health

   An open (single envelope) CFL [12] An encapsulated/closed (double envelope) CFL. Some fluorescent lamps emit ultraviolet radiation. [citation needed] The Health Protection Agency of the United Kingdom has conducted research concluding that exposure to open (single envelope) compact fluorescent lamps (CFLs) for over 1 hour per day at a distance of less than 30 cm can exceed guideline levels as ...

4. Luminous paint - Wikipedia

   en.wikipedia.org/wiki/Luminous_paint

   These UV wavelengths are found in sunlight and many artificial lights, but the paint requires a special black light to view so these glowing-paint applications are called 'black-light effects'. Fluorescent paint is available in a wide range of colors and is used in theatrical lighting and effects, posters, and as entertainment for children.

5. Here’s Why UV Flashlight Black Lights Are Surprisingly ...

   www.aol.com/news/why-uv-flashlight-black-lights...

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6. Blacklight paint - Wikipedia

   en.wikipedia.org/wiki/Blacklight_paint

   Black light paint or black light fluorescent paint is luminous paint that glows under a black light. It is based on pigments that respond to light in the ultraviolet segment of the electromagnetic spectrum. The paint may or may not be colorful under ordinary light. Black light paint should not be confused with phosphorescent (glow-in-the-dark ...

7. Ultraviolet - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet

   Two black light fluorescent tubes, showing use. The longer tube is a F15T8/BLB 18 inch, 15 watt tube, shown in the bottom image in a standard plug-in fluorescent fixture. The shorter is an F8T5/BLB 12 inch, 8 watt tube, used in a portable battery-powered black light sold as a pet urine detector.