ELI5 Rare Earth Metals - Why They Aren’t Actually Rare? ELI5 Explain Like I'm 5: Bite Sized Answers To Stuff You Should Know About

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ELI5 Rare Earth Metals - why they aren’t actually rare?

6d ago 6:55

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What makes these metals so special and why are they called ‘rare’? What technologies are they used in? Why are they so hard to substitute? Where are they found geographically? What about unobtanium and adamantium?

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