4 ms·

Do you have a link, keywords, so I can read further on this topic? Thanks beforehand.

• moloch-hai 4y ago
  https://arpa-e.energy.gov/technologies/projects/iron-nickel-based-supermagnets https://arpa-e.energy.gov/technologies/projects/iron-nickel-... You may ignore claims there that they are essential for batteries and wind turbines. But they are important in electric drones and robots.
  • telotortium 4y ago
    That's from 2012, are there any further developments?
    • moloch-hai 4y ago
      I misremembered, the new advance is iron/nitrogen magnets. https://www.nironmagnetics.com https://www.nironmagnetics.com https://hackaday.com/2022/09/01/iron-nitrides-powerful-magnets-without-the-rare-earth-elements/ https://hackaday.com/2022/09/01/iron-nitrides-powerful-magne...
      • telotortium 4y ago
        Thanks! Submitted here: https://news.ycombinator.com/item?id=34359383 https://news.ycombinator.com/item?id=34359383