HOW NIELS BOHR CRACKED THE RARE-EARTH CODE

You can’t scroll a tech blog without bumping into a mention of rare earths—vital to EVs, renewables and defence hardware—yet almost no one grasps their story. These 17 elements look ordinary, but they drive the devices we hold daily. Their baffling chemistry kept scientists scratching their heads for decades—until Niels Bohr entered the s