The study did not find any measurable difference in air quality (ozone or particulates) associated with far-UVC illumination. Far-UVC lamps are being installed in more public locations ...

[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 ...

When decomposed by ultraviolet light, they release chlorine atoms. It is known that these chlorine atoms act as catalysts to initiate a chain reaction that breaks down ozone. The Montreal Protocol ...