From: into@oblivion.nothing.com   
      
   Salmon Egg  wrote in   
   news:SalmonEgg-3AACDC.22145830122011@news60.forteinc.com:   
      
   > Sorry Russ, but you do not have it quite right. A good analogy is that   
   > of an electrical transmission line with a load.   
      
   I went to school for electronics, so understand your analogy   
   quite well.   
      
   But what I wanted to mention is how interesting it is that   
   nature tends to reuse the same equations all over the place.   
      
   I've also encountered the same in my other interest, seismology.   
   The way in which seismic waves travel through, are reflected,   
   and refracted in the earth by different geographic layers are   
   very much like optics. (although, there's more than just transverse   
   and longitudinal waves - notably Rayleigh and Love waves)   
      
   The equations also apply for a tsunami travelling the ocean.   
   In this case, the depth of the water column is analogous to   
   the impedence of the medium. They reflect off of and refract   
   around lower impedence areas (shallows and islands).   
      
   Mother Nature is smart.   
      
   Brian   
   --   
   http://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism   
   Sed quis custodiet ipsos Custodes?   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)