Sound Waves in Air 1961 PSSC Richard Bolt, MIT Acoustic Lens Demonstration @LenvilPersingerTruthersUnite
Sound Waves in Air 1961 PSSC Richard Bolt, MIT Acoustic Lens Demonstration @LenvilPersingerTruthersUnite
Uploaded December 2017 | Updated September 2026, 5 days ago
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Sound Waves in Air 1961 PSSC Richard Bolt, MIT Acoustic Lens Demonstration

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