“ everything has risks Everything has potential drawbacks and new technologies are always pricey. I believe we have to move forward. We real have to... (read full comment) ” 

Posted on June 28, 2010 at 7:29 PM EDT

“ Harvesting Heat These appear to be quite pricey, maybe mass volume production will lower the cost. Imagine your hybrid car sitting in a parking... (read full comment) ” 

Posted on June 27, 2010 at 3:03 PM EDT

“ reduce the need for heat and A/C The space shuttle can lend some of its technology here. A Ceramic Paint Additive can make any paint insulate and... (read full comment) ” 

Posted on April 13, 2008 at 2:08 PM EDT