From: "Shirley Brungardt" <shirleybrungardt@hotmail.com>
To: pinhole@exploratorium.edu
Subject: Attachments
Date: Sun, 28 Sep 1997 08:42:46 PDT
Since I am not receiving the peanut brittle "enclosure" and I assume no
one else is either perhaps we need instructions on how to attach files
(if it is possible) when we post. If not, may I suggest copying the
text from the file and pasting into the body of the reply. Now I REALLY
want that recipe!
----Original Message Follows----
>From pinhole@exploratorium.edu Sun Sep 28 00:12:36 1997
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From: "Pinhole Listserv" <pinhole@exploratorium.edu>
Subject: Pinhole Daily Digest
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To: Drlapp1@aol.com, "Jory Gessow" <gessow@well.com>,
"Shirley Brungardt" <shirleybrungardt@hotmail.com>
----------------------------------------------------------------------
Date: 27 Sep 1997 11:59:35 U
From: roaminlohman@telis.org (R and D Lohman)
Subject: Matter at absolute zero
Dear pinholers:
In several of our classes at Albany HS the idea of absolute zero came
up.
We've often talked about this temperature being one at which all motion,
even molecular and atomic, ceases. Students were then asking whether
matter could even exist at absolute zero. My thought was that the
matter
would be in a condensed form much like a neutron star---where the
electrons
are pushed (or pulled?) into the nucleus by the high gravitational force
and combine with protons to form neutrons. In the case of absolute zero
the electrons, having stopped moving, would collapse into the nucleus
and
do the same thing.
Any thoughts on the "matter"? (pun intended)
Rich Lohman
roaminlohman@telis.org
----------------------------------------------------------------------
Date: 27 Sep 1997 14:30:38 U
From: Gene Thompson <gthompso@ccsf.cc.ca.us>
Subject: Re: half life and nuclear reactors
I noticed when I saw the text of the original message that my server was
acting strange and some of the text wasn't recognizable as text. The
original question was what are the radioactive isotopes left over in
used
fuel rods from nuclear power plants (the isotopes that make up the
majority of the material left over) and what are the half lives of those
materials. The second part concerned the same thing, relating to
Chernobyl -- what isotopes are responsible for the poisoning of the
flora and fauna (as well as the land) of the area impacted the most by
the
Chernobyl fallout?
Ellen Koivisto
George Washington High School
gthompso@ccsf.cc.ca.us
----------------------------------------------------------------------
Date: 27 Sep 1997 15:37:30 U
From: Steven Eiger <eiger@montana.edu>
Subject: Re: Matter at absolute zero
Dear Rich, Temperature seems to be a useful idea for large collections
of
atoms, and seems best correlated with translational motion(maybe this is
only true in ideal gases). Physicists have stopped small groups of
atoms,
I think Na gas, with lasers such that they are essentially still for a
large number of minutes. They still have angular momentum as they are
spinning or have spin, and their electrons I assume are doing the usual
thing, but they have no translational motion. As I understand it, these
small numbers of atoms are not a large enough collection for temperature
to
be a valid concept, and that is why the thermodynamics law still holds.
Perhaps one could say that thermodynamics only holds for large
collections
(which I think is true) and that things can be at absolute zero. I do
not
know, I am only an amateur at all this.
I would be interested in what others have to add, Eiger
----------------------------------------------------------------------
Date: 27 Sep 1997 18:52:11 U
From: NFetter@aol.com
Subject: Peanut Brittle?
Hi Pinholers:
Here we go again in attempt to get my peanut brittle lab into your
hands.
Good luck!
Neil
Fetter
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- --PART.BOUNDARY.0.26261.emout19.mail.aol.com.875411446--
Shirley Brungardt
shirleyb@kc.net
shirleybrungardt@hotmail.com
Voice & FAX 816-470-3712
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