“ Wireless ambient power This would be useful for many gadgets. One gadget that came to mind would be a wireless tire pressure sensor. They can... (read full comment) ” 

Posted on June 9, 2009 at 2:51 AM EDT

“ Hemp There is a better source of Bio-Fuel. That is Hemp. Hemp can be use to make papers, fiberboards and bio-fuel. And it can be grown without... (read full comment) ” 

Posted on September 15, 2006 at 9:54 PM EDT