ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Ever have one of those times when you can do a demonstration - but have
no idea why? I'm in just such a situation. But based on my experiences at
the ASTC conferences, I am certain that some of you can help me, for our
science subject today is:

Beer.

The experiment is simple: take an open but full (or mostly so) bottle of
beer. Then use the bottom of a second bottle to moderately tap bottle #1
on top of its mouth. Fwoosh! (This, I believe, constitutes alcohol
abuse.)

Easy enough to do, but what the heck makes this occur? The kicker is, I
know a lot of ways to make a huge mess with soda (toying with nucleation,
pressure, temperature...)(and btw, I tried the beer trick with IBC root
beer - nothing happened) yet I can't figure how any of those could come
into play with such a casual rap on the bottle. Help me, suds-guzzling
cohorts!

I kinda miss the Budweiser Ferret,
Jonah Cohen
Outreach & Public Programs Manager
Science Center of Connecticut

"Scalia finished his memo by writing 'If a Supreme Court justice
can be bought so cheaply, this country is in deeper trouble than I
thought.'
In a related story, this country is in deeper trouble than Scalia
thought."
-The Daily Show


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