628a0e14   
   XPost: sci.electronics.design   
   From: usenet@rwaltman.com   
      
   On Fri, 11 Jan 2013 16:11:49 -0800 (PST), RichD   
    wrote:   
      
   >A new invention, the digital globe:   
   >http://www.nytimes.com/2013/01/08/science/digital-globes-a-new-   
   ay-to-view-the-world.html   
   >... But how does this work, a display on a closed   
   >surface?  Anybody have any comments on the design or manufacture?   
      
   See the first Youtube video in that page:   
   http://www.youtube.com/watch?v=JU40wOlh5H0   
   "Is simply four projectors around a spherical projection screen"   
   (22 seconds into the video)   
   --   
   Roberto Waltman   
      
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