Desert sand dunes can roar as loud as a low-flying aircraft
Certain sand dunes around the world produce a powerful, low-frequency hum reaching 105 decibels when shifting grains create acoustic vibrations that resonate through the desert landscape.
Singing sands occur when avalanches of specific grain sizes slide down a dune face, creating a drone that can be heard for miles. These natural booms reach frequencies as low as 60 hertz, mimicking the deep rumble of a thunderclap or a low-flying plane.
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