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The erection of an official entry gate marks progress toward next week's opening of the Solar Decathlon. The partially completed homes of the University of Colorado and the Technische Universität Darmstadt are visible in the background. (Credit: Kevin Eber/Solar Decathlon) |
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The Kansas Project Solar House features a futuristic metal exterior. (Credit: Kevin Eber/Solar Decathlon) |
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Malek Bessaad of the Georgia Institute of Technology works by the diffuse glow of sunlight filtering through the home's walls, which are filled with aerogel. Aerogel, sometimes described as "solid smoke," is a gel with an extremely low density, which makes it an excellent insulator. (Credit: Kevin Eber/Solar Decathlon) |
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A crane lowers a top section of the University of Colorado at Boulder home into place. (Credit: Kevin Eber/Solar Decathlon) |
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With all its insulation exposed to the elements, the Team Montréal house looks a bit ragged right now, as it awaits its outer shell. (Credit: Kevin Eber/Solar Decathlon) |
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The home from the New York Institute of Technology is taking shape quickly. (Credit: Kevin Eber/Solar Decathlon) |
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A new cladding has been added to the Penn State house: slate tiles, recycled and reused from an old barn. (Credit: Kevin Eber/Solar Decathlon) |
