14: Infrasound research in IACAS

Thursday, January 5, 2006 | Source: http://www.ioa.ac.cn/zuzhi/dae/daedirection_infsound_Eng.html

Infrasound means frequencies too low to be heard by the human ear. ... Infrasound occurs naturally - from waves pounding shores, storms, earthquakes, meteors ...

View the full article at http://www.ioa.ac.cn/zuzhi/dae/daedirection_infsound_Eng.html.

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