Eli5: what is the noise you can hear when it’s utterly quiet?

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I don’t think it’s tinnitus though all the Google results I got were about it. Last night my partner and I went out into the desert to stargaze, and when there were no cars nearby, we both experienced a constant quiet noise. It’s a hard noise to describe–not a ringing or a whooshing noise, but almost a pulsating kind of noise. Is it the sound of blood going through your ears? Brain making up noises to fill the gaps?

In: Biology

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Anonymous 0 Comments

humans make a LOT of sounds. We’re squishy, and constantly moving – blood rushing around, lungs filling and emptying and the accompanying sound from the air rubbing on your throat and mouth and nose, heart beating, intestines pulsating, gasses moving around, even the electricity in your brain makes noise.

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