From: patzermike.mc@gmail.com   
      
   Hi all.  I hope you all celebrated the new kilogram last night.  The   
   Champaign corks were flying last night!  Let us celebrate our liberation   
   from French tyranny.   
      
   Can anybody recommend a good paper that explains the workings of atomic   
   clocks?  I am more interested in physical principles than engineering   
   details.  What exactly is it about the Cesium 133 atom that makes it so   
   convenient for keeping time?  I assume they considered other atoms, but   
   settled on Cesium as most convenient.  Is there a good simple reason for   
   this?   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)