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2. Blacklight - Wikipedia

   en.wikipedia.org/wiki/Blacklight

   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. [ 1 ] [ 2 ] [ 3 ] One type of lamp has a violet filter material, either on the bulb or in a separate glass filter in the lamp housing, which blocks most visible light and allows through UV ...

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. UV marker - Wikipedia

   en.wikipedia.org/wiki/UV_Marker

   The lamps used have very narrow bandwidth, compared to regular fluorescent black lights. Therefore, UV LEDs are claimed to be completely safe, causing no damage to eyes nor risks of skin cancer. When the black light falls upon UV-visible ink, it makes the ink fluoresce so that it emits visible light, making the message readable by human eyes. [4]

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

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

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6. What you need to know about the incandescent light bulb ban - AOL

   www.aol.com/know-incandescent-light-bulb-ban...

   America’s ban on incandescent light bulbs, 16 years in the making, is finally a reality. Well, mostly. A rule issued in 2007, rolled back by the Trump administration, and updated last year by ...

7. Ultraviolet - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet

   Other black lights use plain glass instead of the more expensive Wood's glass, so they appear light-blue to the eye when operating. [citation needed] Incandescent black lights are also produced, using a filter coating on the envelope of an incandescent bulb that absorbs visible light (see section below). These are cheaper but very inefficient ...

8. 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.

9. The dangers of LED face masks you should know about - AOL

   www.aol.com/lifestyle/dangers-led-face-masks...

   Instead, the physician recommends Blu-U light technology, and possibly retinoids, oral medication and topical inflammatories depending on the individual patient. More severe cases involving ...