Sand pattern. These formations, known as Chladni patterns, occur when fine particles, such as grains of sand or salt, form a unique pattern in respons

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Sand pattern. These formations, known as Chladni patterns, occur when fine particles, such as grains of sand or salt, form a unique pattern in response to pure tone vibrations such as musical notes. This sand was placed on a brass plate that was then vibrated using a violin bow.

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Photo credit: © ADAM HART-DAVIS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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