From: fizzbintuesday@that-google-mail-domain.com   
      
   Phil Hobbs wrote:   
   >   
   > Physicists (especially those taught out of Purcell's electromagnetics   
   > book) tend to concentrate on E and B, because those are the fields   
   > that actually act on matter.  D and H are sort of calculating   
   > conveniences. ;)   
   > Maxwell's equations are simpler in terms of E and H, because the   
   > free-space macroscopic curl equations are   
   >   
   > curl E = -1/c dB/dt   
   >   
   > curl H = 1/c dD/dt   
   >   
   > (I like Gaussian units--sue me.) ;)   
   >   
   > Cheers   
   >   
   > Phil Hobbs   
      
   You should write a (cheaper) book. :)   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)