enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  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. Luminous paint - Wikipedia

    en.wikipedia.org/wiki/Luminous_paint

    Fluorescent body paint under a black light. Fluorescent paints 'glow' when exposed to short-wave ultraviolet (UV) radiation. 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'.

  4. 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 ...

  5. Ultraviolet - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet

    Fluorescent black light lamps work similarly to other fluorescent lamps, ... UVC is the highest-energy, most-dangerous type of ultraviolet radiation, and causes ...

  6. 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]

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

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

    Said Palep, "At-home LED devices use lower frequencies, so [they] haven’t proven to be as effective or the results as dramatic as in-office treatments like the Blu-U light and micro pulsed Nd ...

  8. Black mould: How dangerous is it in the home and how can it ...

    www.aol.com/black-mould-dangerous-home-treated...

    For premium support please call: 800-290-4726 more ways to reach us

  9. 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 ...