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 ...

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 ...

In 1994, Philips launched "EarthLight," an energy-efficient compact fluorescent light (CFL) bulb with a clumsy shape that was incompatible with most conventional lamps; it had a confusing package—and ...

In some people that are photosensitive, 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 ...

If an LED bulb breaks, you can simply clean it ... National Archives and Records Administration Recycle Compact Fluorescent Light Bulbs (CFLs), EnergyStar.gov The post How To Safely Get Rid ...

The light bulb led to new energy breakthroughs ... creating the first compact fluorescent light. 1978: LEDs appear in consumer products As researchers improved red diodes and their manufacturing ...