You can’t scroll a tech blog without spotting a mention of rare earths—vital to EVs, renewables and defence hardware—yet almost no one grasps their story. Seventeen little-known elements underwrite the tech that runs modern life. Their baffling chemistry left scientists scratching their heads for decades—until Niels Bohr stepped in. https://marioprpkw.mpeblog.com/60647837/how-niels-bohr-cracked-the-rare-earth-code