XPost: sci.electronics.design   
   From: lugnut808@spam.yahoo.com   
      
   On 27/01/2024 8:41 am, Phil Hobbs wrote:   
   > Back in 1967, during the Vietnam War and soon after the invention of the   
   > laser, some bright spark working for the military came up with this   
   > scheme for killing enemy snipers: you send out a broad collimated laser   
   > beam from a scope, and shoot a .50-caliber round at the places where you   
   > see those bright red-eye glints.  With perfect aim, that would send a   
   > bullet right through the poor guy's sniper scope, but anywhere close   
   > would probably be sufficient.  So naturally our bright spark filed a   
   > patent on the idea of sending out a collimated laser beam and detecting   
   > the back-reflection.   
      
   Sounds like one would want a scope that is not only telescopic but also   
   periscopic.   
      
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