You can’t scroll a tech blog without stumbling across 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 had scientists scratching their heads for decades—until Niels Bohr entered the https://georges097uxz8.activablog.com/33721539/how-niels-bohr-cracked-the-rare-earth-code