Dalhousie researchers and their industrial partners have piloted the world’s first municipal-scale UV LED reactor for wastewater treatment, a groundbreaking innovation that has set the stage for a ...

It’s pretty common stuff, seen commercially in everything from mercury vapor lamps to microbial sterilization. It’s the latter use that piqued [Justin]’s interest and resulted in a solid ...

Fluorescent lamps are high-efficiency lamps that use electrical discharge through low-pressure mercury vapor to produce ultraviolet (UV) energy, which is then transformed into visible light. The UV ...

Fluorescent lamps utilize fluorescent bulbs which house electrodes at both ends of the tube and argon and mercury vapor throughout. A phosphor coating on the inside of the tube emits light through ...

Not quite as dangerous as opening a CRT, but you still need to be careful with the mercury vapor filled tubes.

The narrow wedge of the zodiacal light (left) reaches nearly to the Milky Way (right) on Nov. 1 from near Kenton, Oklahoma. The zodiacal light stands high in the eastern sky this time of year but ...

To simplify it, we’ve included information, pros, and cons about the main types of artificial grow lights. Fluorescent lights produce light when an electrical current passes through mercury vapor.

Compact fluorescent lamps (CFLs) are the squiggly light bulbs ... But a broken CFL bulb or fluorescent tube can expose you to ...