Travel0 min ago
STRANGE
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Does anyone know why it is that a ducks 'quack' doesn't echo?
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For more on marking an answer as the "Best Answer", please visit our FAQ.Scientists - most recently (September 2003) in the Department of Acoustics at Salford University - have yet again proved it's a complete myth that a duck's quack does not echo. It is not a wholly groundless myth in one respect only...that is, that the acoustics of a quack are such that they tend to �mask' the echo, which can make it sound as if there isn't one. Apparently, the sound of a quack decays very gradually and the echo returns as the initial sound is still fading away, rather than after it has �disappeared' completely. Thus, the echo is partially concealed but it is still there!