The Physics Of How A Water Jet Can Keep A Ball Floating In Mid-Air

If you've ever floated a ping-pong ball atop the warm blast from a hair dryer, you'll appreciate this video that endeavours to explain the physics behind how the same phenomenon occurs with jets of water.

Compared to a juggling busker on the street, keeping just a single ball suspended in the air isn't that impressive a feat. Until you dive into the explanations of how complex fluid dynamics and even Bernoulli's principle — which keeps planes in the air — factors into this naturally occurring liquid ballet. You'll never look at your garden hose the same way again. [Physics Central Buzz Blog]

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