Re: Super Cold Beer!

[Ian Sefton <I.Sefton@PHYSICS.USYD.EDU.AU>]

William Beaty wrote:

> For those who like to take things apart, buy a can of Guinness "draft
> style" beer.  (At least I think its Guinness that's the one.)  Inside is a
> little plastic chamber that sits on the bottom of the container.  It
> contains gas (CO2?  Wouldn't have to be CO2 though.)  When you pop the
> tab, the chamber emits tiny bubbles, thus guaranteeing that a "head" will

I read somewhere that the gas in the capsule inside cans of Guinness is
nitrogen.
Ian Sefton (I.Sefton@physics.usyd.edu.au)
Honorary Senior Lecturer in Physics, SUPER Group
School of Physics A28
University of Sydney, NSW 2006
AUSTRALIA