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rssMB to Phys.orgEnglish · 1 month ago

How do water rings 'bounce?' New discovery answers decades-old question

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How do water rings 'bounce?' New discovery answers decades-old question

phys.org

rssMB to Phys.orgEnglish · 1 month ago
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Air rings blown by dolphins swimming underwater and rings of smoke emitted by jet engines are just two examples of vortex rings. These doughnut-shaped structures and their mesmerizing movement have been studied for decades given their role in propulsion and—in the case of jellyfish and other invertebrates—biological locomotion.

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