LEDs Dethrone Compact Fluorescents as King of Eco-Friendly Lightbulbs

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Never mind that twisty compact fluo­rescent. The new energy-efficient way to light your home is with LEDs. An upcoming crop of bulbs draw 12 watts or less, edging out a typical fluorescent, and they have a more conventional shape, contain no mercury, and last at least 25,000 hours, three times as long.

They’re among the first LED bulbs as bright as a classic 60-watt incandescent (about 800 lumens), and they address past problems with LEDs, such as bluish light, overheated chips and too-concentrated beams. Launch the gallery to find out how they’ll do it, all within a 130-year-old form.

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