the.com/dysprosium
the rare earth that lets electric motors stay cool while spinning fury at 200 degrees.
Greek namemeans hard to get at, no kidding
Magnet herokeeps EV and wind magnets from demagnetizing
Cold reflexesexpands or shrinks sharply with temperature shifts
China gripdominates supply, making it a geopolitical pawn
Glows neutronabsorbs them well, used in nuclear control rods