“ Parts can be lighter because you can print in 3d and have gaps in angles you can't cast/forge normally in 2 dimensions. Look at all the gaps and... (read full comment) ” 

Posted on August 24, 2011 at 11:50 PM EDT

“ 5 years behind the leaders Unfortunately, the big players in the solar industry are expected to hit grid parity by the early 2012 like Suntech.... (read full comment) ” 

Posted on February 25, 2011 at 12:26 PM EST

“ One reason you see such high popularity of Reverse Osmosis based desalination plants is their cost and profit economics. Reverse Osmosis is... (read full comment) ” 

Posted on April 13, 2010 at 4:56 AM EDT