"Sheldon" > wrote in message
oups.com...
>
>
> Shaun aRe wrote:
> > "Vilco" > wrote in message
> > ...
> > > Mi e' parso che dwacon abbia scritto:
> > >
> > > > Some of the Brit imports like Guinness and Stoddington's
> > > > (I think -- it's in the yellow and black can) have the
> > > > little rattle-ball that supposedly has nitrogen or
> > > > something that makes the beer fresh... or so the
> > > > advertising hype says. It's still fun to rattle the can
> > > > at parties...
> > >
> > > Hey, if you shake a beer can and just open it, it should spray
> > > half or more of its contents around, a-la Formula 1 podium
> > > Is Guinnes less sparkling than other beers? Or is this
> > > rattle-ball so well designed to prevent it?
> >
> > You don't shake the beer, but the empty can rattles - it contains a
hollow
> > ball filled with nitrogen, that has one or two tiny perforations in it.
When
> > you open the can (or relatively 'flat') beer, the escaping nitrogen give
a
> > fine beaded creamy head, quite unlike the large bubbled one produced by
> > carbonated beers.
>
> What a pro... and not just sweaty monkey balls. hehe
>
> Sheldon

But I turned down your offer of free lessons...


Shaun aRe