World’s Strangest

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Bouncing a Drop of Water on Water

Here’s a nifty party trick, courtesy of physics: how to bounce droplets
of water on the surface of water.

Buzz Blog explains

Typically, when a droplet of water plunges into a pool of water, it
will bounce slightly and then coalesce with the rest of the water. But
there’s a way to keep the bounce going indefinitely.

If you put the pool of water on top of a loud speaker, you can vibrate
the surface. This vibration can cause water droplets to continuously
bounce and levitate atop the liquid surface.

Physicists Pablo Cabrera-Garcia and Roberto Zenit from National Autonomous
University of Mexico conducted the experiments and filmed them with
a high-speed camera for your viewing pleasure.

Hit play or go to Link [YouTube]

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October 20th, 2012

Stranger to the World


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