The Lewisburg Area Joint Sewer Authority intends to change its disinfection process from chlorine gas to ultraviolet light, a move that it says would be safer for both people and the environment. The ...
Since the 1980s, cutting-edge lithography has shifted from the 365 nm 'i-line' of mercury vapour lamps to deep-ultraviolet light from excimer lasers at 248 nm (krypton fluoride lasers) and 193 nm ...
SwRI’s Europa Clipper Ultraviolet Spectrograph (UVS) instrument will collect ultraviolet light to study the composition of the atmospheric gases and surface materials of Europa, one of Jupiter’s ...