MadSci Network: General Biology

Subject: How can a human create infrasonic sound?

Date: Wed Sep 24 14:03:40 2003
Posted by boberto
Grade level: 7-9 School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: General Biology
ID: 1064430220.Gb

I know how to make ultrasound(by using a dog whistle) but is it possible to 
make sound to low to hear? natural disasters can make them but is there 
anything besides a 7 foot long pipe that can create them?

Re: How can a human create infrasonic sound?

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