[David Prutchi] has just shared his incredible work on making his own shortwave ultraviolet viewers for ... nm range is completely absorbed by the ozone in the atmosphere and cannot reach Earth ...

The ozone layer, which protects us from ultraviolet light, looks to be successfully healing after gaping holes were discovered in the 1980s. The Northern Hemisphere could be fully fixed by the ...

In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...

NS Naontech engineers have been taking careful measurements of ambulance interiors and finding appropriate placements for the ...