First we had to understand why a household light bulb would produce UV light in the first place. As it turns out, all fluorescent light bulbs contain mercury vapor, which emits a lot of UV rays ...

This excited vapor emits invisible ultraviolet (UV) light, which is then absorbed by the bulb’s phosphor coating. The coating serves two purposes, both re-emitting the UV rays as visible light ...

such as ultraviolet (UV)? A Canadian government study in 2009 found that CFL light bulbs do result in exposure to more UV radiation when used within a distance of one foot from the subject.

Well that may not be true if your home is lit with compact fluorescent light bulbs. A new study found these money-saving compact fluorescent lights, or CFLs, emit high levels of ultra violet ...

They are considered energy-saving and are meant to substitute the older incandescent light bulbs that existed prior to these; however, CFL’s emit more UV light than incandescent bulbs did. Fluorescent ...

Fluorescent lamps, large and compact, work by using electricity to excite mercury vapor inside the bulb. The excited vapor then emits invisible ultraviolet light that is absorbed by the bulb's ...

Amazon built robot that is designed to kill the novel coronavirus with ultraviolet light. The robot looks a little like a hotel luggage cart, with a tall metal frame attached to a rectangular ...

The same light bulbs used in offices and public spaces can destroy coronaviruses and HIV, according to a new study from U of T Scarborough. Researchers killed both viruses using UV-LED lights ...