Ultraviolet light
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Ultraviolet (UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV...
psoriasis, acne vulgaris, and eczema with ultraviolet light is called ultraviolet light therapy. Exposure to light to wavelengths of 290-300 nanometers enables...
Ultraviolet light therapy or ultraviolet phototherapy is a treatment for psoriasis, atopic skin disorder, vitiligo and other skin diseases. There are two...
X-ray astronomy and gamma-ray astronomy. Ultraviolet light is not visible to the human eye. Most of the light at these wavelengths is absorbed by the Earth's...
Tetrachromacy (redirect from Ultraviolet vision)a fourth color in the ultraviolet, humans cannot see ultraviolet light directly because the lens of the eye blocks most light in the wavelength range...
Ultraviolet germicidal irradiation (UVGI) is a disinfection technique employing ultraviolet (UV) light, particularly UV-C (180-280 nm), to kill or inactivate...
Blacklight (redirect from Black Light)called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave (UV-A) ultraviolet light and very little visible light. One type of...- "Ultraviolet (Light My Way)" is a song by Irish rock band U2. It is the tenth track from their seventh studio album Achtung Baby. Ostensibly about love...
Radiation (section Ultraviolet light)consists of photons, such as radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma radiation (γ) particle radiation consists of particles...
produced LEDs available in visible, ultraviolet (UV), and infrared wavelengths with high, low, or intermediate light output, for instance, white LEDs suitable...
Visible spectrum (redirect from Refraction of Prisms and the Spectrum of Light)definite, as light outside the visible range was discovered and characterized by William Herschel (infrared) and Johann Wilhelm Ritter (ultraviolet), Thomas...
and synchrotron light sources. Since UVC extends to 100 nm, there is some overlap in the terms. The main uses of extreme ultraviolet radiation are photoelectron...
Fluorescent lamp (redirect from Fluorescent light)fluorescence to produce visible light. An electric current in the gas excites mercury vapor, which produces short-wave ultraviolet light that then causes a phosphor...
frequencies) and the ultraviolet (with shorter wavelengths and higher frequencies), called collectively optical radiation. In physics, the term "light" may refer...
to atmosphere's absorption, does not provide much ultraviolet light, the light rich in ultraviolet rays used to be obtained by burning magnesium or from...
molecules. The light from the Sun that reaches the earth is largely composed of non-ionizing radiation, since the ionizing far-ultraviolet rays have been...
Germicidal lamp (redirect from Germicidal light)or sterilizer lamp) is an electric light that produces ultraviolet C (UVC) light. This short-wave ultraviolet light disrupts DNA base pairing, causing...
plaques, and bullae. The quinine in tonic water will fluoresce under ultraviolet light. In fact, quinine will visibly fluoresce in direct sunlight against...
Koi pond (section Ultraviolet light)pond. When the pond becomes balanced, it will sustain itself. An ultraviolet light is used to make algae flocculate (form into clumps), so that they...
Opacity (optics) (redirect from Light tight)of the light being considered. For instance, some kinds of glass, while transparent in the visual range, are largely opaque to ultraviolet light. More...
- (countable) A light bulb that emits ultraviolet light; a black light. black light / blacklight light light in the ultraviolet part of the spectrum light bulb that
- extraterrestrial life — Chapter 61964 Layout 2 CHAPTER VI The Ultraviolet Spectrophotometer The use of ultraviolet spectrophotometry for detecting peptide bonds is
- visible light or radiation. Sunglasses allow better vision in bright daylight, and may protect one's eyes against damage from high levels of ultraviolet light
- real. This light is ultraviolet light. Light with shorter wavelengths than ultraviolet light fall under the x-ray portion of the spectrum. Light waves with