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[VIDEO] Milton Garces and Brian Williams on ThinkTech Hawaii

The Infrasound Laboratory of the University of Hawaii uses very sensitive microphones to listen to low-frequency sounds in the atmosphere. These sounds, known as infrasound because they are too low in frequency to be audible to the human ear, can carry through the atmosphere for thousands of kilometers. Infrasound is one way that we can know when a volcano is getting ready to erupt, or have a small amount of warning before a coming tsunami. It’s also how international agencies are keeping an “ear to the ground” as relates to certain nuclear weapons testing. UH Researchers Milton Garces and Brian Williams discussed their infrasound work on Jay Fidell’s ThinkTech Hawaii show on January 27, 2014.

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