<http://schema.org/description>
"Researchers at North Carolina State University have developed a new system for strengthening the connections between stacked solar cells, which could improve the overall efficiency of concentrated photovoltaic technology and reduce the cost of solar energy production."^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/stacked-solar-cell-gallium-arsenide-film/29006/>