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During my fellowship this past summer I had the opportunity to take a trip to the archives of the Porthcurno Telegraph Museum in Cornwall. On my way back to Penzance, I decided to stop off at the Geevor Tin Mine. Buried in the west of Cornwall, Geevor produced nearly 50,000 tons of “black tin” during […]
Tag: extraction
Processing raw ore into rare earths is an intensive operation that has been associated with radioactive water spills. But with China slashing exports of rare earths and Washington concerned the U.S. military could face a shortage of materials for lasers, smart bombs, guided missiles, night-vision goggles and jet engines, Don Ranta is optimistic about his […]