High intensity discharge lamps contain compact arc tubes that enclose various gases and metal salts. They operate at relatively high pressures and temperatures. High intensity discharge (HID) is a ...

Why the glow powder turned pink in clear varnish is a bit of a mystery. There were some interesting things learned in the process of making the ghostly green lamp. The first part of the build log ...

Argon is an inert gas in group VIII A of the periodic table with atomic number 18, an atomic weight of 39.948, and a density of 1.40 Mg/m 3. In the solid state it forms an fcc crystal with a melting ...

That's why recessed lights in the gallery ceilings will be turned off so the light emanating from the "GLOW" works can speak for itself. Learning about the neon and argon that artists have used in ...

The best grow lights give your indoor plants the full range of light needed to thrive; growing and flowering just as they ...

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to ...

During perimenopause, changes to vaginal discharge may occur. Your discharge may have a brownish tint due to decreasing estrogen. Read on to learn more about discharge during perimenopause and how ...

Mars presents a highly complex natural environment, characterized by a variety of gas components—95.32% carbon dioxide, 2.7% ...

Or have them light automatically when someone arrives home and turn off when everyone leaves. After a new round of testing, the WiZ 60W A19 Color LED continues to be the best smart bulb.

Metal Halide Lamps A metal halide lamp is a high-intensity discharge light source in which light is produced by radiation from mercury and from halides of metals such as sodium, scandium, indium, and ...