“ @ebonfyre Agreed. The problem is not that a person is being called a hot-spot, but a homeless hot-spot. If someone told me they were a hot-spot,... (read full comment) ” 

Posted on March 14, 2012 at 7:12 AM EDT

“ @Spicoli So as not to spread misinformation, Aurizon's example is in every way a monopoly. A monopoly exists where there is only one supplier of... (read full comment) ” 

Posted on March 13, 2012 at 3:22 AM EDT

“ You may be correct, but silicone wire solar cells are years away from making crystalline pv obsolete. Same for DSSCs (I'm a big fan of DSSCs),... (read full comment) ” 

Posted on December 13, 2011 at 1:25 AM EST

“ I believe the GPS system is only being used here to calculate the distance. The error here is estimated at 20cm in the article. The satellite here... (read full comment) ” 

Posted on October 18, 2011 at 6:50 AM EDT

“ I checked the figure and thought the same thing at first, but the units of the data are in ohm-cm ... thus 2.43e-5 ohm-cm = 2.43-7 ohm-m. (read full comment) ” 

Posted on September 25, 2011 at 2:48 AM EDT

“ Theoretical efficiencies are the upper limits to any particular pathway. These efficiencies are further limited by the properties of available... (read full comment) ” 

Posted on August 11, 2010 at 3:35 AM EDT