From: adam@address.invalid   
      
   Jim Beard wrote:   
   > On 06/22/2012 06:35 PM, Adam wrote:   
   >> Moe Trin wrote:   
   >>> All un-licensed 2.4 GHz gear (that includes   
   >>> your microwave oven by the way)   
   >>   
   >> Does that mean that a powerful   
   >> 2.4 GHz transmitter would also work as a microwave? :-)   
   >   
   > Yes, if powerful enough.  Key wording: "powerful enough."   
   >   
   > That is true for all of the very short wavelength transmitters.   
   [...]   
   > The frequency does affect what absorbs the rf energy.   
   [...]   
   > I think all now target just the water or hydrogen.   
      
   So ~2.4 GHz was chosen for culinary reasons, nothing to do with how the   
   RF spectrum is allocated.  BTW I checked, and infrared is in the 1-400   
   THz range.  Visible light is ~405-790 THz.  Does that mean RF   
   transmissions in that range would be visible?   
      
   > That high-frequency rf can do damage underlies the hysteria of some over   
   > cell phones, which they allege may cause brain cancer.   
      
   Easier than taking responsibility for one's own health.  Also a belief   
   in magic.  One prominent speech clinic said that some people believe   
   that just having been accepted at that clinic will cure their   
   stuttering, no classes or exercises needed.   
      
   > The extreme nut cases are the ones with their undies in a knot over   
   > salt.   
      
   Like many things consumed, that can be too low, about right, or too high.   
      
   > Those who truly believe this and   
   > thoroughly avoid salt soon die from lack of that material, which is   
   > critical to life, so we are spared the most rabid of that bunch.   
      
   Once in a psych hospital, there was an old woman who was raving   
   incoherently.  I forget her psych diagnosis.  It turned out the problem   
   was simply a low sodium level, nothing psychiatric at all.  Once that   
   was taken care of, she was as coherent as anybody else.  I saw that   
   first-hand.   
      
   Adam   
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