Scientist Implores US to “Master” Rare Earth Metals For Future Transportation Security

Rare earth metals — so called because they are found in such low concentration on the Earth and are, therefore, exceedingly difficult to profitably mine — are required in everything from advanced electric car batteries and motors to new refrigerator technology.

Is the US running headlong into a future where we depend on other countries for a stable supply of this critical resource?

(more…)