how efficent are the new engery saving lightbulbs?



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    Compact fluorescent lights, or CFLs, are much more efficient than traditional incandescent bulbs. In fact, they use about one-quarter of the energy it takes traditional bulbs to use to produce the same amount of light. The idea behind incandescent light bulbs reflects on heat – electricity runs through the filament, which ultimately turns to heat and gives off light. CFLs, however, use a completely different and more efficient method. Within the bulb, electrons flow between electrodes at both ends, interacting with mercury vapor. The atoms release photons, which collide with phosphor, and light is created. Essentially, CFLs use less heat and are four to six times more efficient than traditional light bulbs.

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