“ Yeah, I think that the implications will not be straightforward to predict. For example, if I had a fully automated vehicle it would probably have... (read full comment) ” 

Posted on October 24, 2011 at 9:42 PM EDT

“ That's a very one-sided view. Nobody said it WASN'T about efficiency but humans are humans. Why shouldn't people also get some credit for driving a... (read full comment) ” 

Posted on August 15, 2010 at 6:24 AM EDT

“ cost? I don't know about ecological footprint (any medical test probably has a substantial one) but what concerns me more is the cost. I work in a... (read full comment) ” 

Posted on March 6, 2010 at 3:12 AM EST

“ Honda have said that their FCX leases don't come close to covering the costs of the actual vehicles so I suspect the FCX is still a lot more... (read full comment) ” 

Posted on November 25, 2008 at 10:17 PM EST

“ RGB LEDs Well if you have an array of RGB LEDS that you can switch on and off rapidly and individually then you don't NEED an LCD or any other... (read full comment) ” 

Posted on July 21, 2008 at 1:49 AM EDT

“ It's the efficiency This article makes the most important point for the long term future of hydrogen fuel cell cars - it is too inefficient.... (read full comment) ” 

Posted on June 24, 2008 at 9:22 AM EDT

“ Good question. The advantage may be that the microfluidic device actually -removes- the pathogens from the blood stream so that toxins that the... (read full comment) ” 

Posted on May 28, 2008 at 1:19 AM EDT

“ Not so good for typing but does that matter? The first thing I thought when I saw this was that it would be hopeless for typing. I'm sure that... (read full comment) ” 

Posted on May 22, 2008 at 3:11 AM EDT

“ Electricity to heat/cold I am more interested in peltier coolers or heaters (ie electricity to heat/cold). Does this new material do this more... (read full comment) ” 

Posted on March 22, 2008 at 1:26 AM EDT

“ I think some comments here are missing the point of these systems. The batteries are there currently as peak-load buffers to delay the costs of... (read full comment) ” 

Posted on October 20, 2007 at 6:57 AM EDT