<http://schema.org/about>
"A new concept for a solar array has emerged in the form of giant clear beach balls sporting solar panels hovering on the inside. Each of the massive balls are capable of generating about 200W of power, and are hooked up to"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/solar-technology/beach-ball-solar-generator-begs-the-question-why.html>