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.

Ghost Detector is a musical instrument built by ‘hacking’ any electronic device that generates sound. Random lengths of wire are connected to randomly chosen places on its circuit board. The wires receive radiation of all kinds, and the results are translated into sound.(via we make money not art )