Blue roof coating reduces energy consumption

02/21/2013 | FastCoExist

Researchers are discovering pigments with "cooling" capacities, according to this article, including the brilliant blue coating from Oregon State University researcher Mas Subramanian, which was made from manganese cooked with a combination of yttrium and indium oxides. "Given the right chemical properties, even dark pigments, ... turn away much of the sun’s heat," writes Michael Coren.

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