“ This article is The genuine Swindle. Why post such meaningless drivel. As with all technology there are occasions that technology is superior to... (read full comment) ” 

Posted on June 6, 2011 at 2:42 AM EDT

“ Thin Film Solar Cells If someone developed PV films using concrete roof tiles as the mechanical substrate, the PV could demonstrate a some what... (read full comment) ” 

Posted on November 25, 2009 at 4:00 AM EST