" Hence the concentration is always highest where the pad is, and in
this case, at the bottom of the hive."

I think I misunderstood the conversation.  I agree 100% with what you said.  I was thinking of a pad higher in the hive.  Sorry to all I confused with my error.

Dick


" Any discovery made by the human mind can be explained in its essentials to the curious learner."  Professor Benjamin Schumacher talking about teaching quantum mechanics to non scientists.   "For every complex problem there is a solution which is simple, neat and wrong."  H. L. Mencken


--------------------------------------------
On Sat, 10/1/16, Bill T <[log in to unmask]> wrote:

 Subject: Re: [BEE-L] Formic vapours
 To: [log in to unmask]
 Date: Saturday, October 1, 2016, 8:48 AM
 
 > This does not
 make sense from a physics standpoint.  Once mixed with
 air
 > the density difference from pure
 air is negligible.
 
 
 True, but the formic does not
 mix instantly but as the pad gives off its
 vapor. Hence the concentration is always
 highest where the pad is, and in
 this case,
 at the bottom of the hive.
 
 Bill Truesdell
 Bath, Maine
 
          
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