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Can sound exist in a vacuum cleaner? (lemmy.world)

submitted 1 year ago by AndreyAsimow@lemmy.world to c/nostupidquestions@lemmy.ca

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Hey everyone, I've got a question that's been bugging me. So, we all know that sound needs a medium to travel through, like air or water. But what happens with sound in a vacuum cleaner? I mean, it's a vacuum, right? Does it just get all quiet in there? Or is there something I'm missing? Thanks for satisfying my curiosity on this one – I'm really stumped!

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[–] WhoRoger@lemmy.world 9 points 1 year ago

It's not vacuum inside the VC. It's full of air and dust, so it's just as loud inside as it's on the outside.