HOW NIELS BOHR CRACKED THE RARE-EARTH CODE

You can’t scroll a tech blog without spotting a mention of rare earths—vital to EVs, renewables and defence hardware—yet almost very few grasps their story. These 17 elements seem ordinary, but they anchor the gadgets we carry daily. For decades they mocked chemists, remaining a riddle, until a quantum pioneer named Niels Bohr rewrote the