<http://schema.org/about>
"A couple months ago, the idea of painted on solar power was proposed by Corus Group, a steel manufacturer. This method would require the steel sheets being passed through coating rollers at the time of manufacture. Now, researchers"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/spray-on-solar-panels-being-developed-in-australia-could-be-sold-by-2011.html>