But Rich Hall snigletified this first: The Cheerio Effect
In fluid mechanics, the cheerio effect is the tendency for small wettable floating objects to attract one another.
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The phenomenon of molecules clumping applies to any (macroscopic) object that floats or clings to the surface of a liquid. This can include a multitude of things, including hair particles in shaving cream and fizzy beer bubbles. The effect is not noticeable in boats and other large floating objects since the force of surface tension is relatively small.
All is not well in Cheerio-land, however. Cheerios might be considered a drug, in a daft legalistic way similar to how tomatoes are a vegetable.
Anybody found in possession of a prescription drug without evience of a traceable prescription has committed a serious crime and can be arrested. Stop bothering Cheerios Corporate. Position Homeland Severity outside every supermarket. Anybody discovered in possession of a box of Cheerios and subsequently assayed as having high cholesterol is shaken down big time. Ditto warrantlessly searching homes for drug paraphernalia such as bowls and spoons. We can balance the Federal budget at will by ending breakfast crime. Save Our Children!