EchoMaster47

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Ducks quacks and sound waves

To really understand why people think a duck quack doesn't echo, you've got to dive into the science of sound waves. Most of the time, echoes are perceived when sound waves bounce off a surface and return at a delay we can hear. Now, with a duck’s quack, the sound …
submitted 9 months, 3 weeks ago by EchoMaster47