Well, astronauts' lungs would explode at 0PSI too.  That's why they are in
a pressurized cabin.

Andy

At 10:08 AM 2/3/03 -0600, you wrote:
>Nate Duehr wrote:
>> Watching downlink video, even I can see that laptop computers are flown
>> regularly as part of standard hardware.  What *are* you talking about?
>
>I have seen that, and I wondered about the hard drives. At low
>absolute pressure, the disks would crash. I don't know what the
>functional lower limit is for barometric pressure to maintain
>operation, but I would suspect it is at least a few PSI. Consequently,
>maybe they use sealed hard drives on those computers, just in case? Or
>perhaps they have more important things to worry about if they have to
>depressurize.
>
>--
>
>Mike Poulton
>mpoulton@mtptech.com
>MTP Technologies
>KC0LLX
>
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