Experts in acoustics have debunked one of the more esoteric myths of the modern age - that a duck's quack is the only sound that does not produce an echo. The myth has been promulgated as fact by a ...

IT is one of those scientific pearls of wisdom that tend to be quoted after several pints: a duck's quack does not produce an echo, and no one knows why. IT is one of those scientific pearls of wisdom ...

The old saying that a duck's quack produces no echo is... well, just plain quackers. Daisy performs: The anechoic chamber has no sound reflections Acoustics expert Professor Trevor Cox has deployed ...

Sep. 9—ELWOOD — A game of exploration turns into a life-changing adventure for the Pevensie children after Lucy, the youngest of the four, stumbles upon a wardrobe in a spare room. Little does she ...

Everything is just ducky when Auntie Lily brings Daisy Duck and her baby brother, Pip, to the feeding pond. ""Now we can make as much noise as we like."" Yet when a feathered crowd descends, and they ...

Daisy the duck has helped a professor of acoustics solve the puzzle of whether quacks echo, Europe's largest general science meeting will be told today. " 'A duck's quack doesn't echo, and no one ...