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In 1983, Ultima II hired a 21-year-old Kevyn Aucoin to produce a new line of make-up products - The New Nakeds, making Kevyn the youngest ever Creative Director for a major cosmetics company. The New Nakeds collection was notable because it was the first time a major cosmetics company launched a collection with shades that were suitable for all ...
Lines five and six can be seen with the naked eye, but are considered to be ultraviolet as they have wavelengths less than 400 nm. The Balmer series , or Balmer lines in atomic physics , is one of a set of six named series describing the spectral line emissions of the hydrogen atom .
The guano is scraped from the cages, and an ultraviolet light is often used to kill the bacteria to sanitize it. [1] [9] The droppings are then usually dried with a dehydrator. [1] Some are sun-dried for over two weeks while simultaneously being UV sterilized. Next, it is ground into a fine white powder, and it is sold in this form. [1]
Ultraviolet light therapy or ultraviolet phototherapy is a treatment for psoriasis, atopic skin disorder, vitiligo and other skin diseases. There are two main treatments: UVB that is the most common, and PUVA.
UV-treated water must therefore not be exposed to visible light for any significant period of time after UV treatment, before consumption, to avoid ingesting reactivated and dangerous microbes. Recent developments in semiconductor technology allows for the development of UV-C Light Emitting Diodes (LEDs). UV-C LED systems address disadvantages ...
Former President Jimmy Carter, honored more widely for his humanitarian work around the globe after his presidency than for his White House tenure during a tumultuous time, has died.He was 100 ...
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