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Feeling that groove
(mander.xyz)
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this post was submitted on 22 Nov 2025
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Science Memes
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It's not that hard to grasp I don't think. If you understand graphs of soundwaves, it's literally just the wave scratched into the plastic. The movement of the needle dictates the movement of the speaker membrane which results in the same movement in your eardrum. Which is what you percieve as sound.
What I don't get, personally, is how this one scratched-in groove wave can contain a bassline, a melody and a singing voice and they all can be differentiated coming out of the speaker.
How speakers work in general is just black magic to me, actually.
Nobody knows what magnets are. The best science can tell us is that you shouldn't drop them into a glass of water.
Why?
The US president told the navy that putting magnets in water could disable them, he also told Fox News twice that no one knows how magnets work.
https://www.snopes.com/fact-check/trump-nobody-knows-what-magnet-is-quote/
Well, the big ones anyway. The little ones use crystals.