HOW NIELS BOHR CRACKED THE RARE-EARTH CODE

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