“ The air as the cathode I have a question here. Are they really using the air as cathode. Are they leaving the air negatively charged? And are they... (read full comment) ” 

Posted on August 10, 2009 at 12:49 AM EDT

“ This is not fair I think this is not fair. Nanotechnology is the only technological known paradigm that can provide efficient and green... (read full comment) ” 

Posted on January 25, 2008 at 4:08 PM EST