<http://schema.org/about>
"We love seeing designers come up with ideas for solar powered fresh water purification and generation for underdeveloped areas. While most of them won't pan out, it keeps the spark going for figuring out ideas"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/solar-powered-hamster-ball-purifies-water-for-drinking.html>