Block 20 of Story of E.A.T. Part I (Q24654)
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Block 20 of Story of E.A.T. Part I
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Block 20 of Story of E.A.T. Part I |
Block 20 of Story of E.A.T. Part I |
Statements
20
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Peter Hirsch designed a 70 kHz Doppler sonar system for Lucinda Childs’ piece, Vehicle. Childs swung three red buckets around inside the ultrasonic sound beams created by transmitters in the three stands as seen in the photograph. The reflected signals from the buckets mixed with the original 70 kHz signal, and the resulting beat frequency fell in the audible range. The sound was transmitt...
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