From: kfl@KeithLynch.net   
      
   Henry Spencer  wrote:   
   > In the long run, when these things get *common*, then it's going   
   > to be necessary to have space traffic control, and police/military   
   > forces are going to need the ability to shoot down such vehicles,   
   > if only as the final guarantee that traffic-control orders will be   
   > listened to.  Trying to limit the spread of the technology might   
   > postpone that day but won't prevent it.   
      
   What about the really long term, when we have relativistic starships?   
   By the time it's noticed that a ship is approaching earth at 90% the   
   speed of light, it's far too late to do anything about it.  And when   
   it hits, it will devastate a continent.   
   --   
   Keith F. Lynch - http://keithlynch.net/   
   Please see http://keithlynch.net/email.html before emailing me.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)