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A summons to innovate: DIY speaker edition - William Gurstelle
Published 3 weeks, 4 days ago
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View full lesson: http://ed.ted.com/lessons/a-call-to-invention-diy-speaker-edition-william-gurstelle
There's a pleasure in making things for yourself -- especially something unexpected. At TEDYouth 2012, William Gurstelle shows how to make your own speakers from objects probably already laying around your house, like copper wire and an empty yogurt cup.
Talk by William Gurstelle.
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