Pioneers of Light and Sound

Pioneers of Light and Sound

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Introduces some of the most influential scientists to study light and sound, and to create such technology as phonographs, telephones, and cameras.How often each day do you make a call? Many people use ... He thought that electricity could be used to create sound or to allow the deaf to hear. He experimented ... Some people just have fun using a metal detector to find a€œburied treasure.

Title:Pioneers of Light and Sound
Author:Connie Jankowski
Publisher:Teacher Created Materials - 2007


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