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Defy Gravity! Upside Down Ping Pong Ball

In this video segment adapted from ZOOM, two cast members prevent a ping pong ball in an upside down funnel from falling out without touching the ball. How do they do it? They blow down through the funnel onto the ball. Bernoulli's principle, a fundamental principle of fluid dynamics, explains why this gravity-defying -- and logic-defying -- demonstration works.

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