[FRIAM] Entropy RE-redux

Thu May 29 23:21:47 EDT 2025

Where are you guys meeting now on Friday mornings?

On Thu, May 29, 2025 at 9:18 PM Nicholas Thompson <thompnickson2 at gmail.com>
wrote:

>  Thanks, Tom,  I always value you suggestions and comments.
>
> On Wed, May 28, 2025 at 1:14 PM Tom Johnson <jtjohnson555 at gmail.com>
> wrote:
>
>> Interesting query, Nick, but I am finding that it is always interesting
>> (so far) to (1) ask the AI to provide comments and footnotes with
>> hyperlinks of why it did what it did and #2 run the same query multiple
>> times in the same platform over set time phases and the same thing in
>> multiple platforms. Then compare an contrast.
>> Tom
>>
>> =======================
>> Tom Johnson
>> Inst. for Analytic Journalism
>> Santa Fe, New Mexico
>> 505-577-6482
>> =======================
>>
>> On Wed, May 28, 2025, 12:26 PM Nicholas Thompson <thompnickson2 at gmail.com>
>> wrote:
>>
>>> Dear Colleagues,
>>> I am trying to "design" the simplest sort of phenomenon that demands the
>>> concept of entropy.  My first description left many ambiguities which I
>>> have attempted to correct in this revision.  Unfortunately, the revision
>>> has gotten horribly long.  Still, I am hoping that at least a few of you
>>> -- as you love me -- will respond.  Here is the prompt.
>>>
>>> Our goal is to juxtapose two bodies of air, of equal temperature  and
>>> volume but different histories  to see which can exert the most
>>> pressure.    Thus we hope to separate the effects of temperature, per
>>> se, from the effects of how that temperature was arrived at.   We start
>>> with a single cylinder of air at one bar (roughly  sea-level pressure)
>>> and 50 degrees C, which contains three slidable/peggable dividers.  One
>>> is installed at the exact middle of the cylinder, the other two at opposite
>>> ends.  All motions of the sliders will be quasi- static (infinitely)
>>> slow).  The cylinders and the sliders are designed to be adiabatic—no
>>> heat or mass can pass through them—except in the following two respects.
>>>  Just  to the right of the central slider are installed two ports, one
>>> through which air may be admitted or released and a second through which
>>> heat may enter or depart through conduction.     These ports will
>>> always  be assumed to be adiabatically sealed unless explicitly
>>> described otherwise.  Finally, on either side of the central slider is
>>> installed a temperature sensor so that we may know the temperature within
>>> the two chambers.
>>>
>>> With this equipment in hand, we begin the preparation of the two
>>> juxtaposed chambers.  On the left, we push in the slider until the left
>>> chamber reaches a temperature of 20 degrees C. and we peg it there.   We
>>> measure the distance from the left slider to the central slider  . Now,
>>> we open the heat and air ports on the right side of the central slider and
>>> we push in the right slider until it is the same distance from the
>>> central slider as the left slider is on the other side.  (Thus we have
>>> guaranteed that the volume of the two adjacent chambers is the same)    Now
>>> we close the air port.   Through the still open heat port we admit just
>>> enough heat  to bring the temperature up to 20 degrees C. and then we
>>> seal it.  So now we have, as planned, two adjacent chambers, of equal
>>> temperature and volume.  Now we unpeg the central divider.  Which way,
>>> if any, does it move and why?
>>>
>>>
>>> --
>>> nick
>>> .- .-.. .-.. / ..-. --- --- - . .-. ... / .- .-. . / .-- .-. --- -. --.
>>> / ... --- -- . / .- .-. . / ..- ... . ..-. ..- .-..
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>> .- .-.. .-.. / ..-. --- --- - . .-. ... / .- .-. . / .-- .-. --- -. --. /
>> ... --- -- . / .- .-. . / ..- ... . ..-. ..- .-..
>> FRIAM Applied Complexity Group listserv
>> Fridays 9a-12p Friday St. Johns Cafe   /   Thursdays 9a-12p Zoom
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>>
>
>
> --
> Nicholas S. Thompson
> Emeritus Professor of Psychology and Ethology
> Clark University
> nthompson at clarku.edu
> https://wordpress.clarku.edu/nthompson
> .- .-.. .-.. / ..-. --- --- - . .-. ... / .- .-. . / .-- .-. --- -. --. /
> ... --- -- . / .- .-. . / ..- ... . ..-. ..- .-..
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-- 
Merle Lefkoff, Ph.D.
Center for Emergent Diplomacy
emergentdiplomacy.org
Santa Fe, New Mexico, USA

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