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Make: Technology on Your Time Volume 30
book

Make: Technology on Your Time Volume 30

by Mark Frauenfelder
April 2012
Intermediate to advanced content levelIntermediate to advanced
176 pages
7h 53m
English
Make: Community
Content preview from Make: Technology on Your Time Volume 30

1+2+3 Sound Sucker

BY WILLIAM GURSTELLE

USING THIS “SOUND SUCKER” DEVICE allows you to experience a curious sensation: it’s as if sound is not only being blocked, but actually sucked away from your ear.

The sound sucker works on a narrow range of frequencies. My testing showed it most effective a few cycles to either side of 660Hz (depending on the amount of gelatin), and the effect is most noticeable in a room with a wide spectrum of ambient noise frequencies.

Can you explain this acoustic phenomenon? Or better yet, can you draw a simple diagram? Share your explanation with us at makezine.com/30/123_soundsucker.

YOU WILL NEED

Boiling water

Gelatin dessert mix such as Jell-O, Knox, etc.

Coffee stirrers, plastic, thin, hollow, 5½" long (1 box) ...

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Make: Technology on Your Time Volume 31

Make: Technology on Your Time Volume 31

Mark Frauenfelder

Publisher Resources

ISBN: 9781680456004Errata Page