Unlike lead, tin solder grows dendrites or whiskers which can short   
   circuit.  Same principle as concrete stalagtites growing beneath concrete   
   overpasses.  Some of the problems with battery fires are also caused by   
   lithium dendrites.  Speculation is that major space and car disasters where   
   caused by tin whiskers.  Makes me wonder, at least for very critical   
   components (eg space or mil), maybe they should be put in glass vaccuum or   
   argon tubes.  Anyone know more?   
      
      
   --   
   	 Vasos Panagiotopoulos  panix.com/~vjp2/vasos.htm   
     ---{Nothing herein constitutes advice.  Everything fully disclaimed.}---   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)