02-26-2011, 09:40 PM
(02-26-2011, 08:32 PM)yugidal Wrote: K, mine is a duck's quack does NOT echo. No scientist knows why. My theory is because a duck's quack is high in frequency but sounds pretty low... but even that doesnt make much sense...
Busted. By the Mythbusters. Because of the way a duck quacks, it is hard to tell the echo from a new quack, but it's there.