“ Except the paper immediately states that deep hydrocarbons synthesized from methane (and not from the biosphere) will constitute way less than 1%... (read full comment) ” 

Posted on June 13, 2011 at 11:45 AM EDT

“ Long term planning, 2nd order effects Browsing patterns in human populations appear to be adapted for long term success, sometimes at short term... (read full comment) ” 

Posted on June 7, 2010 at 1:55 PM EDT

“ If the phosphors in CFL's are really so bad, why not use quantum dots there too? Answer may be a surface area vs light concentration question if... (read full comment) ” 

Posted on May 14, 2009 at 4:26 PM EDT

“ 1D tracking is cheap These are 1D trackers, so one motor, and very little extra structural support is needed to allow a lot of panel to track. ... (read full comment) ” 

Posted on May 4, 2009 at 12:15 PM EDT

“ Best companies SolFocus and EnergyInnovations The best companies in this space are SolFocus which has a thiner safer cheaper concentrator with... (read full comment) ” 

Posted on May 14, 2007 at 1:28 PM EDT