There seems to be a misconception around that you can't get sunburned if it is cloudy because the clouds block the sunlight.

The UV index measures the intensity of ultraviolet radiation from the sun on a scale of 0 to 11. The higher the number, the ...

The main online vendors for UltraViolet-compatible videos are Flixster, Vudu, M-Go, CinemaNow, Verizon Fios and Barnes & Noble Nook. However, CinemaNow, MGo and Vudu also sell non-UltraViolet videos.

Making ultraviolet lights safe for people Traditional UV systems use wavelengths at or around 254 nanometers. At these wavelengths the light is dangerous to human skin and eyes, even at low doses .

Germicidal ultraviolet light has been demonstrated to work in reducing the transmission of several bacterial and viral infections. Some which include lessening the transmission of measles, mumps ...

Ultraviolet light is subdivided into UV-A (315 to 400 nm), UV-B (280-315 nm), and UV-C (100-280 nm). Artificial UV used for disinfection is almost always UV-C, so UV and UVC are often used ...

The ultraviolet light reduced transmission of the disease by about 80 percent, the researchers concluded. Scientists are now also exploring what is called far UVC — an even shorter, ...

Ultraviolet took a massive bite out of the vampire genre, and remains the best sci-fi series you’ve never heard of. Discover it in this week’s Deeper Cut. As we celebrate Halloween, there’s ...

In particular, ultraviolet communication has unique propagation characteristics that not only allow for a novel non-line-of-sight optical link, but also imply that the transmissions may be harder ...