PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY
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Sand dunes acoustics research. Researcher using microphones and a modelling apparatus to study the acoustics of sand dunes. Known as 'singing sand', this phenomenon is produced by wind passing over and around the dunes. It is thought that the factors affecting the sound include humidity and the size of the sand grains. This study was carried out by CNRS (French) researcher Stephane Douady. Photographed in 2010.
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