<http://schema.org/caption>
"The solar cell test prototype with a microscale lens array fastened above it - the cell and lens help create a concentrated photovoltaic unit (Image: Randy Montoya)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/tiny-glitter-sized-photovoltaic-cells-could-revolutionize-solar-power/13645/>