from Live Science:
Silicon may represent one of Earth’s more common elements, but it transformed Silicon Valley into a high-tech corridor and helped usher the world into the Information Age.
Now rare earth elements with exotic names such as europium and tantalum hold the key to hybrid cars, wind turbines and crystal-clear TV displays — that is, if a looming supply shortage doesn’t stop innovation in its tracks.
Lots of geopolitical issues here, but the bottom line is that we need to find or develop a new variety of sustainable ‘tomorrow building’ materials. Other considerations: Defense Industry to Face Shortage of Key Materials