MythBusters on Twitter: "Does a duck quack echo? Only if you can get it to make a sound... http://t.co/gTNn7QQ49U http://t.co/xeW1ZJC89k" / Twitter
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Daisy the duck quacks into a microphone held by Professor Trevor Cox at the University of Salford, Greater Manchester, where Professor Cox disproved the myth that a duck's quack doesn't echo. Acoustic
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Daisy the duck quacks into a microphone inside an acoustic chamber at the University of Salford, Greater Manchester, where Professor Trevor Cox disproved the myth that a duck's quack doesn't echo Stock