Jeff C. Kunins

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As soon as beer hits the inside of a glass it starts to froth; by the time the glass has even a little liquid in it, beer is building a head of foam. Over a few minutes, the foam subsides. It seems simple enough, but that rise-and-fall is actually the macroscopic expression of a fierce battle on the microscopic scale. Physics wants to pop those bubbles; chemistry wants to hold them together.
Proof: The Science of Booze
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