| http://www.w3.org/ns/prov#value | - PanelsAnnie Eisenberg, September 26, 2009 (NY Times)The main way for homes to harness solar power today is through bulky panels added to the rooftop or mounted on the ground???But companies are now offering alternatives to these fixed installations, in the less conspicuous form of shingles, tiles and other building materials that have photovoltaic cells sealed within them??????[C]alled building-
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