fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 4 months agoCrystalsmander.xyzimagemessage-square158fedilinkarrow-up11.4Karrow-down129
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minus-squareMrjelly13linkfedilinkEnglisharrow-up3·4 months agohttps://en.m.wikipedia.org/wiki/Quartz_clock
https://en.m.wikipedia.org/wiki/Quartz_clock