Nov 06
The demand for minerals is skyrocketing—not just for rare earths like neodymium, europium, and cerium used in the iPhone 5, but phosphorous and coal too. As that demand rises, miners must dig deeper into the ground. But the lower they go, the more dangerous the job becomes—71 miners died in 2010 in the US alone. This automated mineral transportation train, however could boost mining production without jeopardizing lives. More »
