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Rocket Effects Of Popcorn And Rocket Effect On Hollows

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The popcorn kernel performs a maneuver causing it to jump and somersault which dismantles previous theories of a rocket effect. Combining the video with acoustic recordings, the researchers identified the popping sound does not come from the hull fracturing but from the release of water vapor. The immediate change in pressure makes hollows inside the popcorn to vibrate and produce sound.

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