🚀 go-pugleaf

In article <BzKMK1.G7p@usenet.ucs.indiana.edu> mkohlhaa@silver.ucs.indiana.edu (mike) writes:
>Hello.  A friend and I were recently discussing the often-performed practice
>of tapping the lid of a pop/beer can after it has been dropped, which 
>thereby relieves the pressure within and your beverage doesn't explode.
>
>Anyhow, I was pondering this and with my *limited* knowledge of physics this
>made no sense to me.  Does anyone know if this really works, and if so, 
>can give a physics explanation for it?
>

I have often heard this one during beer parties...  I never have believed this o
one and have in fact tried the following experient:

drop two cans of beer.  tap one and not the other.  Open at the same time.
compare fizz.  they are the same.

But I think I have a historical explaination.  This tradition of tapping a
beer can actually comes from our german ancesters, transplanted to USA.  
When aluminum cans and glass bottles came about, they where used to 
"tapping" their kegs to relieve the keg of it's pressure by withdrawing some
beer.

Well, over the years, this has been transformed to liturally tapping on
a can of beer...

just my guess  };)