News tagged with solar collectors

Hybrid solar system makes rooftop hydrogen

While roofs across the world sport photovoltaic solar panels to convert sunlight into electricity, a Duke University engineer believes a novel hybrid system can wring even more useful energy out of the sun's ...

Aug 09, 2011
4.8 / 5 (17) 8 | with audio podcast

Green jobs grow slowly

Last year, Randy Hagen, president of Solar Skies Mfg in Starbuck, Minn., laid off four of his 14 workers after orders stalled for the rooftop solar collectors he makes. Government rebates promised last year under the Obama ...

Jan 22, 2010
4 / 5 (1) 5

New designs for smarter buildings

After two years of design, experimentation, fund-raising and building, the University of Arizona's Solar Decathlon team has completed construction of its 800-square-foot solar-powered house on the National Mall in Washington, ...

Oct 08, 2009
not rated yet 0

Drinking water from air humidity

Cracks permeate the dried-out desert ground, the landscape bears testimony to the lack of water. But even here, where there are no lakes, rivers or groundwater, considerable quantities of water are stored ...

Jun 05, 2009
4.9 / 5 (17) 12
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