You can’t scroll a tech blog without bumping into a mention of rare earths—vital to EVs, renewables and defence hardware—yet almost nobody grasps their story. Seventeen little-known elements underwrite the tech that energises modern life. Their baffling chemistry left scientists scratching their heads for decades—until Niels Bohr entered the https://louisqvyyy.activoblog.com/38125493/how-niels-bohr-cracked-the-rare-earth-code