“ BloomBox I wonder if this thing could power an electric car? If the block he showed to Leslie Stahl could power an entire house (1KW) then you... (read full comment) ” 

Posted on February 25, 2010 at 4:58 PM EST

“ National Archives Doesn't the national archives or the Smithsonian work with NASA to preserve these things? It's just insane if they don't. HJ :O) (read full comment) ” 

Posted on September 1, 2009 at 7:26 AM EDT

“ Ethanol from Algae This is all fine and well, but what will we do with the ethanol? The article says that Dow plans to use the ethanol in the... (read full comment) ” 

Posted on July 16, 2009 at 8:20 AM EDT

“ Problems with solar This is all great, but did they solve any of the traditional problems with solar? Like the night? Or dust settling on the... (read full comment) ” 

Posted on July 7, 2009 at 9:40 AM EDT

“ Faith in Wikipedia My kids have told me that their teachers advised them against using Wikipedia because it's sources are often in question. I... (read full comment) ” 

Posted on February 6, 2009 at 8:38 AM EST

“ Wrong way! We going the wrong way here folks. We need to get off fossil fuels. Finding new ways to make gasoline is not going to get our society... (read full comment) ” 

Posted on August 15, 2008 at 12:48 PM EDT