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 nobody grasps their story. These 17 elements appear ordinary, but they power the gadgets we use daily. Their baffling chemistry left scientists scratching their heads for decades—until Niels Bohr stepped in. Befo