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    • Why are rare earth elements so rare?

      Why are rare earth elements so rare?

      Live Science via Yahoo News· 9 months ago

      A silver-colored raw chunk of neodymium stone, part of the rare earth group, the world's strongest magnetic ore used in the technology industry. Rare...

    • How to Magnetize a Screwdriver

      How to Magnetize a Screwdriver

      Bob Vila via Yahoo News· 1 month ago

      Running a neodymium or other rare-earth magnet in one direction along any metal tool that contains some iron will magnetize it to attract other...