Singing sand
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Singing sand, also called whistling sand, barking sand, booming sand or singing dune, is sand that produces sound. The sound emission may be caused by wind passing over dunes or by walking on the sand
Singing sand dune in Altyn-Emel National Park, Almaty Province, Kazakhstan
Sand blowing off a crest in the Kelso Dunes of the Mojave Desert, California
Sand dunes on the edge of Dunhuang
Singing sand from Gold Coast, Queensland, Australia under microscope
The Hum
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The Hum is a persistent and invasive low-frequency humming, rumbling, or droning noise audible to many, but not all, people in an area. Hums have been reported in many countries, including Australia,
Singing sand
…Revolving rivers The Hum – Low-frequency noise not audible to all people Nori, Franco; Sholtz, Paul; Bretz, Michael (1997). "Booming Sand". Scientific American. 277 (3): 84–89…
The midshipman fish was considered as a possible cause of the West Seattle Hum.