Vibrations and how they get to your ears.
Noise for airports is a blog about culture, sound, music, and technology.
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Updated (sometimes) by Nick Seaver.
The hand-pumped organ.
This historical curiosity uses hand-power to pump enormous bellows that supply the air pressure needed to play the organ. This job is now typically done by various kinds of motors, and looking at the man whose job is to push down giant levers, you can see why.
(via Chris Ariza)
