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6-12

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NOVA scienceNow

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Booming Sands

In this video adapted from NOVA scienceNOW learn about the natural sound phenomenon of booming sand dunes. There are about 30 locations on Earth where sand dunes produce a low, rumbling tone. Researchers have found a few key factors that booming sand dunes have in common, including sand grains that are round and uniform in size, as well as layers of sand with different water content. Under the right conditions, loose sand will avalanche, transforming potential energy into kinetic and acoustic energy and producing a booming sound.

View the program page here.

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