XPost: rec.arts.sf.written, rec.arts.sf.science   
   From: gossg@gossg.org   
      
   "J. Clarke"  wrote:   
      
   >In article , gossg@gossg.org says...   
      
   >> Has Infiniti or whoever it was revealed the techology that their car   
   >> uses to "look two cars ahead"?  In the example in their TV ad, the   
   >> intervening gasoline truck is wide enough to block the view of the   
   >> truck with the collapsing load.   
   >> http://www.youtube.com/watch?v=ko4I8icB4Q8   
   >   
   >Doppler radar.   
      
   How does radar "see" through the intervening truck?  Does it bounce   
   off the roadway under the truck?   
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