Rare earth minerals – those 17 valuable elements with myriad industrial, commercial, and military applications – have been the subject of a lot of hand wringing lately. They’re in short supply (at least in processed form), and with the exception of China no nation in the world can readily mine them from the Earth and process them in large quantities.
In the midst of what’s been shaping up as an undeclared rare earths standoff between China and some of it’s biggest customers in Japan and the West, Vietnamese and Japanese leaders have decided to collaborate in the exploitation of northern Vietnam’s rare earth elements. The deal was hammered out between the two nations’ prime ministers during a meeting on Sunday.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.