Gravity Powered Xylophone | Outrageous Acts of Science
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3,343 بازدیدها·
12/30/23
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Discovery
If a xylophone plays in the forest, and no one is around to hear it, does it make a sound? | For more Outrageous Acts of Science, visit http://science.discovery.com/tv-shows/outrageous-acts-of-scie...
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