XPost: sci.military.moderated   
   From: rboleyn@paradise.net.nz   
      
   On Thu, 15 Apr 2004 00:21:21 -0400, Kevin Willoughby   
    carved upon a tablet of   
   ether:   
      
   > That same book also contained a bit of stealth technology: the sentient   
   > computer (Mike) claimed he could use a pair of radars in such a way that   
   > the bad guys on earth would think there was only one radar half-way   
   > between the two real radars.   
   >   
   > When I first read this, I thought Heinlein was being silly. Years later   
   > I discovered the audio-equivalent in my own living room: two   
   > loudspeakers, fed identical signals and equidistant from the listener   
   > (me!), sounded exactly like one speaker half-way between the real two.   
      
   It's also a common way of spoofing the older (and dumber) ARM missile   
   seekers.   
      
   --   
   Rupert Boleyn    
   "Just because the truth will set you free doesn't mean the truth itself   
   should be free."   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)