[ExI] Update on the Hawaiian observatory shutdown

[Adrian Tymes]

On Fri, Aug 23, 2019 at 9:50 AM spike jones via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

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> *From:* extropy-chat <extropy-chat-bounces at lists.extropy.org> *On Behalf
> Of *Adrian Tymes via extropy-chat
> *Subject:* Re: [ExI] Update on the Hawaiian observatory shutdown
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> On Fri, Aug 23, 2019 at 8:55 AM spike jones via extropy-chat <
> extropy-chat at lists.extropy.org> wrote:
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> *From:* spike at rainier66.com <spike at rainier66.com>
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> >…Failing that, we could make a closed system oxygen-enriched
> office/sleeping space.  It would not be pressurized but more like a warm
> car on a cold day, with that kind of doors, a rubber seal but at ambient
> pressure.  Instead of about 20% oxygen in there it would be about 33%, so
> that the oxygen level is about the same as down at the women’s locker room
> where the invisible man lives.   spike
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> Another idea: to compensate for the elevated fire risk in an
> oxygen-enriched chamber, the proles could wear wool clothing.
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> >…Or, y'know, just don't enrich the oxygen.  Add nitrogen as well as
> oxygen, keeping the fraction of oxygen the same as at ground level and
> making it 1 atmosphere pressure, similar to the ISS and Shuttle.  The
> airlock environment itself could be useful for science, in addition to the
> observatory.
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> Ja, that’s what I meant.  The atmosphere is about 20% oxygen and about 80%
> nitrogen (ja I know, there is about a percent which is everything else
> combined) so the notion is to enrich the oxygen so that the partial
> pressure of O2 is about 0.2 atm in the chamber, as it is on the ground, but
> the partial pressure of N2 is about 0.4 atm instead of 0.8, so the
> percentage of oxygen would be about a third instead of a fifth of the air,
> even though the pressure is lower.
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No, we are still talking different things.  I mean around 0.2 atm O2 and
0.8 atm N2 in the chamber.


> The reason I might lean away from a pressurized environment is that it
> would take a lot of sturdy building material and crews, giving the
> protestors even more to complain about.  They would argue the invisible man
> has never needed any of this stuff (they deny what we all know already:
> that guy lives in the women’s dormitory down at the U of Hawaii now.)
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Better a one-time increase in building costs than an ongoing maintenance
problem and hazard to the humans sleeping there.
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