From: brandall@wanadoo.fr   
      
   james.moughan@sunderland.ac.uk wrote:   
   >Not necessarily for the purposes of transporting construction   
   >materials, nor is it self defeating if the trade cycle sees equal   
   >masses travelling down the tether as up it.   
      
      
   Do you mean by this that for every trip up (or down), an equal mass must be   
   sent in the other direction to counter the stress created in the tether?   
   BR   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)