From: root@mauve.demon.co.uk   
      
   Mike Miller  wrote:   
   > Hypothetically...   
   >   
   > You've captured your stony-iron asteroid and parked it at the   
   > Earth-moon L4 point. You've got mines and smelters producing tens of   
   > megatons of refined metal annually, enough to meet a noticeable   
   > fraction of Earth's demand for metals. The endless bounty of the space   
   > is within humanity's grasp.   
   >   
   > So...How do you land megatons of metal annually without resorting to   
   > beanstalks, tethers, or anti-gravity? Just aerobrake big ingots and   
   > let them drop into the ocean or an artificial receiver lake?   
      
   Would simple steel spheres of around 2cm work?   
   Quite a lot of them of course.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)