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In 2003, chemical company BASF embedded nanoparticles of titanium dioxide into a nylon fabric, which can be used for sun protective clothing that maintains its UV protection when wet. [5] There is some indication that washing fabrics in detergents containing fabric brighteners, which absorb UV radiation, might increase their protective capability.
Kaley Cuoco, portraying 17-year-old high school student Bridget, would reveal her thong in multiple scenes for the premiere episode of the 2002 show 8 Simple Rules. When teased, Bridget, perhaps echoing the sentiments of many girls her age, defiantly noted that she is part of the "thong generation."
Lifetime cumulative UV exposure to skin is also responsible for significant age-associated dryness, wrinkling, elastin and collagen damage, freckling, IGH, age spots and other cosmetic changes. The American Academy of Dermatology advises that photoprotective measures be taken, including the use of sunscreen, whenever one is exposed to the sun ...
The phosphor degrades relatively fast and the dials lose luminosity in several years to a few decades; clocks and other devices available from antique shops and other sources therefore are not luminous any more. However, due to the long 1600 year half-life of the Ra-226 isotope they are still radioactive and can be identified with a Geiger counter.
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.
[5] [6] Several US patents for glow stick-type devices were issued in 1973–74. [7] [8] [9] A later 1976 patent [10] recommended a single glass ampoule that is suspended in a second substance, that when broken and mixed together, provide the chemiluminescent light. The design also included a stand for the signal device so it could be thrown ...
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