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[at-l] tin can stove

Subject: [at-l] tin can stove
From: David Hicks" <daveh@usit.net (David Hicks)
Date: Thu, 26 Apr 2001 20:48:15 -0400
References: <OFB5550CB5.7807613A-ON85256A3A.005DDC6A@pok.ibm.com>

SNIP
> (empty first. BTW, what's that little ball inside supposed to do?)
SNIP

It contains pressurized CO2, or other gas.  I'm not sure what Guinness uses.

When the can is opened its interior pressure is reduced to the atmospheric
pressure.  The CO2 in the little ball is now higher than the beverage. So
the gas bubbles through very little holes creating the foamy head, somewhat
like a true draft.

Chainsaw

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  - From: hudsom@us.ibm.com (Mark Hudson)

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