Their replacement equivalents, compact fluorescent lightbulbs and light-emitting diode bulbs, are bright ... They're almost as energy efficient as LEDs but take at least 30 seconds to reach ...

In addition to sunlight, ultraviolet rays are also given off by several different forms of indoor lighting, including compact fluorescent lamps (CFL’s). CFL’s are commonly long, cylinder shaped and ...

“Think of your light bulbs as batteries,” counsels home energy efficiency expert Andrei ... and brighter than regular incandescents. Take a fluorescent tube, form it into a bulb-like shape ...

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 ...