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 ...

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 ...

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 ...

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 ...

But because they’ve got a short life span and aren’t energy efficient, incandescent light bulbs have been widely replaced by CFL and LED bulbs. The materials used to make incandescent bulbs ...

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 ...