From: henry@spsystems.net   
      
   In article <1107913006.766853.238170@z14g2000cwz.googlegroups.com>,   
   Harmon Everett  wrote:   
   >> >>you want the insulation external, because that lets you use MLI...   
   >>   
   >How is it as a radiation shield?  multi layers gives the secondary   
   >radiation places and room to spatter?   
      
   It's pretty much worthless as a radiation shield (against high-energy   
   particles, that is, as opposed to thermal IR), because it just doesn't   
   have enough mass.   
   --   
   "Think outside the box -- the box isn't our friend."    |   Henry Spencer   
                                   -- George Herbert       | henry@spsystems.net   
      
   --- SoupGate-Win32 v1.05   
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