X-Ray Technology May Speed Up Miner's Search for Hidden Gold
Gold bullion bars sit following casting at a refinery in Germiston, South Africa. (Photographer: Waldo Swiegers/Bloomberg)

X-Ray Technology May Speed Up Miner's Search for Hidden Gold

(Bloomberg) -- A breakthrough x-ray technology that can detect and analyze unseen gold is now up and running in Australia, the world’s second-biggest producer, with plans to take it to Africa.
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