Incredible Sound Illusions
Saturday, Aug 22, 2020, 1:03 pm
By:
Tony Williams
#3 Echo
Everybody has heard of an echo as it is one of the most recognizable sound illusions and indeed one of the most common that we will encounter in our lives. It is all to do with sound waves bouncing around and us then hearing them again, so that is why caves in particular are good for them.
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