<http://schema.org/about>
" Treehugger Warren regrets that the Voltaic Backpack won't power his laptop-Perhaps this would help. Made more for the briefcase set rather than the backpacker, it opens to provide enough surface area to generate 13 watts, enough to power computers, hand"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/solar-technology/solar-laptop-charger.html>