“ Exactly how are they going to "level the playing field"? By spending more money they don't have? By increasing taxes on gasoline? California is... (read full comment) ” 

Posted on November 28, 2009 at 1:28 AM EST

“ Energy Storage? The big problem seems to be energy storage. Since VASIMR uses electrical energy to energize the plasma, the question remains where... (read full comment) ” 

Posted on October 5, 2009 at 5:49 PM EDT

“ God, is there anything Carbon nanotubes can't do? 1.Water filtration/desalination. 2. Super-efficient solar power 3. Tiny transistors. 4.Cheap,... (read full comment) ” 

Posted on September 24, 2009 at 7:08 PM EDT

“ Advanced Propulsion Human spaceflight is pointless right now. All we can achieve with chemical rockets is launching a couple people at... (read full comment) ” 

Posted on September 11, 2009 at 2:53 PM EDT

“ Re: Thats Funny So do you have a useful suggestion? Or are you just going to complain about a possible way to help obese people be healthier? (read full comment) ” 

Posted on June 8, 2009 at 2:42 AM EDT

“ The Volt is About Political Capital Can the Volt save GM? Not by its own merits. GM has publicly admitted it cannot sell the Volt profitably at... (read full comment) ” 

Posted on April 6, 2009 at 2:42 AM EDT