Aucbvax.4617
fa.space
utzoo!decvax!ucbvax!space
Fri Oct 23 04:31:32 1981
SPACE Digest V2 #18
>From OTA@S1-A Fri Oct 23 03:56:46 1981
SPACE Digest Volume 2 : Issue 18
Today's Topics:
Administrivia
carbonless plastics
Deviousness for deviousness' sake
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Date: 22 Oct 1981 1633-PDT
From: Ted Anderson <OTA AT S1-A>
Subject: Administrivia
To: space at MIT-MC
For reasons far too twisted to describe here, some of you saw the first
message of this digest in yesterdays digest. Todays digest has the same
issue number as yesterday's abortive one did. That is because only a few
people got yesterdays digest and its contents are been reproduced here for
completeness. Basically yesterday shouldn't have happened.
Ted Anderson
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From: CARLF@MIT-AI
Date: 10/21/81 11:49:46
Subject: carbonless plastics
CARLF@MIT-AI 10/21/81 11:49:46 Re: carbonless plastics
To: SPACE at MIT-MC
The polymerized sand you ask about is glass. The silicones
consist of a backbone of alternating Si and O, with two hydrocarbon
side groups coming off of each Si. CH3 is a typical side group. They
can indeed stand high temperatures, up to several hundred degrees
centigrade. Silicones can indeed be made with a very low fraction of
volatile component; grease used in vacuum systems is silicone.
Silicone is also reasonably invulnerable to ultraviolet. The problem
with it is that it isn't very strong stuff. I've never heard of
anything more solid than rubber being made from silicone. What
prompts you to this query about carbonless plastics? If you really
want to know, I can tell you quite a bit.
-- Carl
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Date: 22 Oct 1981 1539-EDT
From: J. Noel Chiappa <JNC MIT-XX AT>
Subject: Deviousness for deviousness' sake
To: space at MIT-MC
cc: JNC at MIT-XX
Perhaps my mind has fallen into the affliction noted above,
but I had an interesting thought. In agencies that the current
administration doesn't like (e.g. EPA and the Justice Dept anti-trust
people) they have appointed people who are whole-heartedly dismantling
the agencies' programs. Perhaps the fact that they have appointed
someone as forceful as Beggs indicates closet sympathies for NASA?
Maybe we can look to increased support in the future.
Noel
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End of SPACE Digest
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