Like the incandescent bulb before it, the compact fluorescent (CFL ... interesting circuitry that made these relatively efficient light bulbs work, and [mircemk] is here to show us some of ...

Fluorescent lights, the staple of school gyms and grocery stores, aren't exactly known for their appeal. The long, skinny tubes have cheaply illuminated communal spaces and retail establishments ...

UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different forms of indoor lighting, including compact ...

Litchfield residents can play a part on energy conservation and save money as part of a program being offered by Litchfield Public Utilities and Southern Minnesota Municipal Power Agency. From ...

As the usage of incandescents dimmed, two new types of bulbs rose in popularity: LED (light—emitting diode) and CFL (compact fluorescent lamp). Both LEDs and CFLs are longer-lasting and use far ...

So he also took this opportunity to change the color temperature of the light in his room. Unfortunately it wasn’t as simple as just replacing the fluorescent with the LEDs — no, that would be ...

Their replacement equivalents, compact fluorescent lightbulbs and light-emitting diode bulbs, are bright, use 75 to 80 percent less energy, and can save you $60 to $125 dollars per bulb in energy ...

Thomas Edison created the first working incandescent light bulb in 1879. More than a century later, his bright idea is still being used. However, a modified version that is more earth friendly is ...

A light source consisting of a long glass tube containing mercury in a partial vacuum. Available in many lengths and several diameters, the tube is lined with a fluorescent phosphor. When the ...