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Wednesday, October 25, 2006

2078 - autosincronie particellate

N. sulla singola pulsione dall' intercalare tacito //
impulsionale d' errante ipercatalitico //
Tao tenorile nel cantico pulsare come fonica pettinella //
ramosa nell' oceanico saturarsi //

13.26 25/10/2006

"it has been known that some sand dunes have the peculiar ability to emit a loud sound with a well-defined frequency, sometimes for several minutes". "It has been recognized that the sound is not due to the air flow around the dunes but to the motion of an avalanche, and not to an acoustic excitation of the grains but to their relative motion". In: S. Douady, et al. "Song of the Dunes as a Self-Synchronized Instrument".
Phys Rev Lett. 2006 Jul 7;97(1):018002. Epub 2006 Jul 7.


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