i heard that they used a hollowed out bowling ball and a length of
rubber hose and that it still did'nt keep pres. ford from falling all the
time. although he did say his blood was boiling,,, once.
this is fun.
my $.02
westley
On Feb, 13 1996, Tue 1:20:00 PM at REICHLE, CHRISTOPHER wrote:
>
>Yeh... I believe the experiment was done with a tin gas can. After the
water
>was boiled you were supposed to put the cap back on the gas can before
>running cold water over it.
>
>Chris Reichle
> ----------
>From: W. R. Gibbons
>To: Len Bugel
>Cc: REICHLE, CHRISTOPHER; MGs
>Subject: RE: Gas tank pressure on MG TD
>Date: Tuesday,February 13,1996 12:42PM
>
>On Tue, 13 Feb 1996, Len Bugel wrote:
>
>> this is really _fun_!) put a small amount of water in an empty aluminum
>> beverage can, and boil the water for a while on your kitchen range. The
>> water vapor will essentially drive all the air out of the can, leaving
>> only water vapor in there. Now (Here's the fun part) pick up the can
with
>> some sort of tongs or a hot pot holder and quickly invert it into a pan
>> of cold water, so that the open top is submerged. The water vapor will
>> quickly condense back to a liquid, leaving a pretty good vacuum inside
>> the can - but not for long! The outside air pressure almost instantly
>> crushes the can. Try it, you'll like it! Use about half an inch of water
>
>Len
>
>Not that I am a doubting Thomas, but I would think the falling pressure
>in the can would simply draw water from the sink into the can. I would
>have been willing to bet money that not much would happen. Have you
>actually tried this?
>
>Ray
>
> Ray Gibbons Dept. of Molecular Physiology & Biophysics
> Univ. of Vermont College of Medicine, Burlington, VT
> gibbons@northpole.med.uvm.edu (802) 656-8910
>
>
>
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