>>> Even the $25 pump gets you down to 29" of vacuum.
>>
>> Interesting. I wonder what it costs to buy a large container than can 
>> withstand several thousand Newtons of force trying to crush it...
> 
> Really, not all that much. You're really only talking about one 
> atmosphere. A soda can will keep that much *in*.

Hmm, 1 atmosphere. That's about 100 kPa. Over a 100 cm^2 area, that's 
about 1,000 N. Sounds like a pretty big force to me...

Then again, I was under the impression that a soda can only holds about 
0.01 atm of pressure. (1 atm is a LARGE pressure, after all.)

-- 
http://blog.orphi.me.uk/
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