From: 20705@aha.no   
      
   Don't know if it's related, but if you hold your nose and hum loudly at a   
   certain low frequency and watch tv, you'll see interference patterns, around   
   11hz, it is due to you resonance of your head, this effect can be generated,   
   maybe a temporary nasal problem.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)