Patrick Feaster

Apr. 04, 2008

Oldest Recorded Song is Heard

Audio historians have found a sound recording that pre-dates Edison's phonograph. We'll talk about the 'phonautograph' and take a listen to the recording.

sound, phonautograph, edison, phonograph, inventor, invention

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Michael Pollan Talks Plants and Food

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Building Bridges From Plastic Shampoo Bottles

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