We’re used to thinking about solar heating, but in manyparts of the country, the big need is for solarcooling.Scientists are working on a thin-film technology that may dojust that.

Researcher Steven Van Dessel and his team have installed atest structure on top of the student union at RensselaerPolytechnic Institute that will both heat AND cool thebuilding. Van Dressel says, “The ease of application wouldmake it possible to seamlessly attach the system to variousbuilding surfaces, possibly rendering conventional airconditioning and heating equipment obsolete.”

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