What happens when your ears pop and your hearing suddenly seems to get a lot better?
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Sounds is pressure (usually air) moving from positive (a pumped up supersoaker) to negative (a plunger sucking). When the space in your ear has a different pressure to the surroundings, you are limiting the movement of pressure from positive to negative. Kinda like putting your finger on a moving speaker and hearing the volume drop in level. Your ear pops from a little tube that is attached to the back of your throat called an Eustachian tube.
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