Holy sensationalist title batman

Tetrataenite, an iron-nickel alloy.

TL;DR: Magnets. China makes almost all of them so any time we see something that might replace rare earth metals we get excited. In this case because a group made improvements to our ability to synthesize tetrataenite, an iron-nickel alloy, by adding phosphorus.

“COULD” “MIGHT” !!!!

So the earth has an urgent major crisis because Usa has some dependency on China. O.m.g.