LED
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Washington, D.C. now sports 1,360 LED street lights in its alleyways
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This morning, Mayor Vince Gray will venture into a Columbia Heights alleyway to replace the last of about 1,360 old alley street lights with newer energy-efficient LED lights expected to save 591,000 kilowatt hours of electricity a year as well as reduce carbon-dioxide emissions by 719 tons.
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Why Farragut West Metro features glowing spheres on its wall
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WMATA released a video Q&A with artist Michael Enn Sirvet about his inspiration and the materials used to craft the unearthly LED display.
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Revolights shine a glowing LED light on bike safety and design
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Three men in Palo Alto have dreamed up a radical new night light for bicycles — LED lights attached directly to the tires themselves. The project has raised more than $200,000 this fall and hope to begin selling these gorgeous bike lights by spring of 2012. Revolights' Adam Pettler tells us how the idea was born.
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Are LED street lights the safe, pedestrian boon we imagined?
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The District has plans to install hundreds of LED lights around the city. One problem though — they may well be suppressing our levels of the chemical melatonin, which has anti-cancerous and anti-oxidant elements, according to a recent multinational study. Should we worry?
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MOMs Organic Market, now with better lighting
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Local grocer MOMs Organic Market has made the move to LED lightbulbs. The switch from regular, incandescent bulbs cost the market $40,000, but the company says they've cut electricity use by 75 percent and will make the money back in two years.
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D.C. pedestrians, prepare yourself for a new kind of street light
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Our sidewalks may soon be illuminated by LED lamps — and District officials are even experimenting with using the sun and wind to power them.
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