Wednesday, September 14, 2011

Behavior of a Frappuccino

Today, I was drinking a frappuccino with whipped cream in it.  I stirred the drink with my straw and mixed the whipped cream with the coffee so I could enjoy both flavors at the same time.  When I was almost done with it, I noticed that the whipped cream and the coffee had separated again, the concentration of whipped cream was higher at the top of the drink than at the bottom.  This probably happened because as I started drinking the mix through my straw, I was drinking more coffee than whipped cream because the coffee was denser and sinking faster, making it more available for my straw.

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