From: gcowan@eagle.ca   
      
   Andrew Nowicki wrote:   
   >   
   > The armchair buckytubes have very low electric   
   > resistance and very high maximum current density   
   > -- about one billion amperes per square centimeter.   
   > If magnetoresistsnce, ohmic heat, and structural   
   > stress do not limit the current, a buckytube   
   > solenoid can produce magnetic field induction of   
   > 100,000 teslas! This magnetic field corresponds   
   > with magnetic energy density of 4*10^15 J/m^3,   
   > or about 10^12 J/kg. (The heat of combustion of   
   > gasoline is only 4.6*10^7 joules per kilogram   
   > of gasoline.)   
      
   In the battle with Mother Nature,   
   try not to block with your face.   
   The binding energy of buckytubes is virtually   
   equal to that of graphite, and that's, IIRC,   
   something like 760 kJ/mol, which is 63 MJ/kg.   
   Not 1,000,000 MJ/kg.   
      
   So we can expect a buckytube-contained magnetic field   
   to store substantially less than 63 MJ per kg of buckytube.   
      
      
   --- Graham Cowan   
   http://www.eagle.ca/~gcowan/Paper_for_11th_CHC.doc --   
   How individual mobility gains nuclear cachet.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)