Shower curtain mystery finally solved

» July 2nd, 2007

Why does the shower curtain move toward the water (and towards the current showeree)? Turns out that complex mathematical computations have finally revealed that the spray of the shower creates a vortex which in turn creates a low-pressure region that draws the shower curtain towards the water, and thus towards the body subjected to the spray. (via kottke)

One Response to “Shower curtain mystery finally solved”

  1. Alex says:

    For those who can better read French than fluid equations, this funny BD illustrates the problem:

    http://simonbd.blogspot.com/2007/01/6-janvier.html

    The funny ending is that the guy tells his girlfriend to use cold water to avoid the annoying vortex…

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