[David Prutchi] has just shared his incredible work on making his own shortwave ultraviolet viewers for ... Without interference from background light, even very weak levels of UV are detectable.

Question claims of UV protection unless the product specifies that a polycarbonate filter is used. • White light is ...

In June, Kaiser Aluminum started up a full-scale pump-and-treat system that treats 200 gallons of groundwater per minute and ...

while an activated carbon filter uses natural materials to absorb chemical contaminants. UV filters use ultraviolet light to remove E. coli and other microorganisms from the water supply.

Mold is a constant problem. Can a UV light treatment take care of it in your home? The answer is complicated, and we're here ...

The Tiffen UV Protector filter is a classic piece of equipment that can be used in any weather conditions and prevents UV light or haze from reaching the camera's sensor with the aim of creating ...