Hi!

An excellent description of the pill bobbing mechanisim, Sir Fang-Face!

Russ, the waterweasel

-------Original Message-------
From: Michael Nellis 
Sent: 02/11/03 06:05 AM
To: bardroom2{at}tantech.com
Subject: Re: [BR-2] Toxic Coffee

> 
> Hi, Kestrel.

--- Kestrel  wrote:

> > So far enteric aspirin doesn't want to dissolve (but it did bob
> > up and down up and down in the Sprite)
> 
> it bobbed but wasn't dissolving? Well good grief... I wonder why it
> bobs...

Because it provides a surface upon which CO2 bubbles can form and
that alters the bouyancy.  When enough gas bubbles have formed it
floats up to the surface where the bubbles exposed to air burst,
lowering the bouyancy and the pill sinks back down again.

=====
Fear of corrupting the mind of the younger generation is 
the loftiest of cowardice. --Holbrook Jackson

>From the Lair of Fang-Face DreamWeaver
and The Encyclopedia Michael Nellis
http://www.angelfire.com/scifi/dreamweaver/index.html

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