“ You are dead on. The Chinese drove other countries out of the rare earths mining business and now they ration their rare earths exports and give... (read full comment) ” 

Posted on December 21, 2011 at 11:01 PM EST

+ 1 more comment posted in this discussion

“ The 35 mile range is fine for daily driving and if you drive it for long distances then you get about 40 miles per galon. The average milage for... (read full comment) ” 

Posted on November 5, 2011 at 2:38 AM EDT

+ 5 more comments posted in this discussion

“ There are places on the earth that have so little water vapor in the air that water in dewar bottle, when exposed to the summer sky, freezes. At... (read full comment) ” 

Posted on August 1, 2011 at 1:44 AM EDT

“ They may be long shots but they are much cheaper than ITER and potentially yield far superior fusion technology. The way I see it, the expected... (read full comment) ” 

Posted on May 31, 2010 at 10:47 PM EDT

“ I can't think of a single pro grade zoom lenses that has an F-stop of less than 2.8 so I suspect your are confusing short prime lenses with zoom... (read full comment) ” 

Posted on May 1, 2008 at 12:04 AM EDT

“ TV trend This fits perfectly with the trend for wireless flat screen HDTVs. (read full comment) ” 

Posted on March 23, 2008 at 3:19 AM EDT

“ Stupid idea I did a back of the envelop calculation and the energy released with the burning of the aluminum that releases the hydrogen is about... (read full comment) ” 

Posted on September 20, 2007 at 4:10 AM EDT

“ Note, in cold weather it is very efficient to use the "waste" heat from an internal combustion engine to heat the car. The term for this concept is... (read full comment) ” 

Posted on August 9, 2007 at 3:21 AM EDT

“ Up hill battle No current digital sensor exists that can come close to recording the dynamic range of the human eye. I suspect that such a sensor... (read full comment) ” 

Posted on August 6, 2007 at 4:01 PM EDT

“ Yes, but it currently seems to have only 50% of the capacity of the typical lithium-ion battery. (read full comment) ” 

Posted on June 27, 2007 at 3:26 PM EDT

+ 1 more comment posted in this discussion