“ I agree with Uncle Al. Trying to apply a 25GHz signal to a battery is impractical. The wavelength at 25GHz is only 1.2cm. This would produce... (read full comment) ” 

Posted on March 10, 2010 at 9:14 PM EST

“ Use a Video Camera At night, FAA requlations require aircraft to use flashing strobe lights plus lights on the wingtips and tail. Simply point an... (read full comment) ” 

Posted on November 11, 2009 at 10:46 PM EST