Pay dirt: Why rare-earth metals matter to tech (FAQ)
A topic most people once considered as boring as dirt--rare earth minerals--has fast become a matter of international significance with a direct impact on green technologies and consumer electronics.
Rare earth metals are a group of elements that are used in a wide range of products we use every day, including hard drives and hybrid cars. Their properties, notably as light-weight magnets, make them key to the ongoing miniaturization of electronics and the growth of green technologies.
Rare earth minerals have become a hot-topic issue for industrialists and politicians for one simple reason: supply.