The Way Things Work Sound
The inhabitants of Mammoth Island learn how sound energy travels in waves, and one islander creates a primitive microphone, amplifier and loudspeaker.
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| Corporate Authors: | , , , , , , |
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| Other Authors: | , , |
| Format: | Videos DVD |
| Language: | English Spanish |
| Published: |
Wynnewood, PA :
Schlessinger Media,
c2003.
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