Comment on China has stopped exporting rare earths to everyone, not just the U.S., cutting off critical materials for tech, autos, aerospace, and defense

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captain_aggravated@sh.itjust.works ⁨1⁩ ⁨week⁩ ago

Check my understanding here: It’s not that they’re scarce, but there’s no geological process that concentrates them like copper or gold. There aren’t any neodymium seams the way there are gold seams, there’s a very little amount everywhere. So you might as well sift the entire Mojave.

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