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We learn a lot about our surroundings thanks to sound. But... what is it exactly? Sound, that is. What is sound? And how does it travel? And what is this Doppler Effect that we've heard so much about? In this episode of Crash Course Physics, Shini goes over some of the basics (and some of the not so basics) of the Physics of Sound.
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Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
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