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Other sources refer to a man named Cephas Bailey Magruder, who built his home after settling in the area in 1876 near the Indian River. Magruder called his home "the rockledge home" and the name was eventually attributed to the whole town. [9] It was originally referred to as Rock Ledge; the two-word name persisted through the 19th century.
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-B lamps are lamps that emit a spectrum of ultraviolet light with wavelengths ranging from 290–320 nanometers. This spectrum is also commonly called the biological spectrum due to the human body's sensitivity to light of such a wavelength. [1] UV-B light does not tan the skin very much, compared to the UV-A lamps that are used in tanning beds.
The northern lights will be visible for parts of the northern U.S., according to the NOAA Space Weather Prediction Center's aurora forecast. The aurora will be visible over much of Canada and ...
A germicidal lamp (also known as disinfection lamp or sterilizer lamp) is an electric light that produces ultraviolet C (UVC) light. This short-wave ultraviolet light disrupts DNA base pairing , causing formation of pyrimidine dimers , and leads to the inactivation of bacteria , viruses , and protozoans .
The center recommends viewing the northern lights between 10 p.m. and 2 a.m. local time. According to the center, the best times of the year to see the aurora borealis are around the spring and ...
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