From: nalin@asu.edu   
      
   Could you clarify what you mean by "defining three dimensional space"?   
   I'm not wuite sure I understand what you mean.   
      
   Thanks,   
   N.   
      
   Zdenek Jizba wrote:   
   > I just finished reading Brian Greene's "The Elegant   
   > Universe". The section in chapter 15 titled "What are   
   > Space and Time, Really, and can we do without them?"   
   > suggests in my mind a tantalizing question:   
   >   
   >    "Is there an elementary particle (possibly related   
   > to the graviton) which defines three dimensional space?   
   >   
   >  Any comments on this would be appreciated.   
      
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