Notes on a web journey

posted on: 24 July 2006

Albert Einstein and meandering rivers

filed under: @ 11:34:22 by 7colors

Albert Einstein and meandering rivers

“ I begin with a little experiment which anybody can easily repeat. Imagine a flat-bottomed cup full of tea. At the bottom there are some tea leaves, which stay there because they are rather heavier than the liquid they have replaced. If the liquid is made to rotate by a spoon, the leaves will soon collect in the center of the bottom of the cup. The explanation of this phenomenon is as follows: the rotation of the liquid causes a centrifugal force to act on it.”

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