Rare earths are currently steering debates on EV batteries, wind turbines and next-gen defence gear. Yet most readers still misunderstand what “rare earths” truly are. Seventeen little-known elements underwrite the tech that fuels modern life. Their baffling chemistry had scientists scratching their heads for decades—until Niels Bohr stepped in. https://beauhhbzq.elbloglibre.com/34598534/the-quantum-genius-who-explained-rare-earth-mysteries