Feb 16, 2016 06:59 PM
http://news.nationalgeographic.com/energ...bulb-leds/
EXCERPT: Many consumers spent the last two decades swapping out their old incandescent light bulbs for CFLs in the name of greater efficiency. The spiral tubes used less energy, saved money, lasted longer—and people hated them. Now CFLs, or compact fluorescent lamps, are slowly disappearing from stores....
EXCERPT: Many consumers spent the last two decades swapping out their old incandescent light bulbs for CFLs in the name of greater efficiency. The spiral tubes used less energy, saved money, lasted longer—and people hated them. Now CFLs, or compact fluorescent lamps, are slowly disappearing from stores....