Feeling that groove
Feeling that groove

Feeling that groove

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What's that a picture of? Doesn't like a needle and vinyl to me
It looks like an electron microscope image, hence it being black and white and so close up
If I'm not mistaken it's from a shot by the YouTube channel Applied Science. Ben is an absolute genius
A microscope? That must be a tiny record player. The needle arm looks like it's made of clay
I'm a microbiologist. That's pretty normal. Things that look smooth and even when viewed normally frequently look different when significantly magnified. Your eyes can't resolve the fine details so your brain fills in the gaps.