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Missing: radioactive capsule the size of a pea

Plain English

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Rio Tinto's Search for Sesium-137 in the Australian Outback

Rio Tinto had to search the Australian Outback for something the size of a pee. The capsule could have been anywhere along the side of a 1,400 kilometer road. Sesium-137 almost announces its location to anyone who has the right equipment. A team from Rio Tinto set off in slow-moving vehicles equipped with radiation detectors. They stopped and performed a more detailed search with yet more complicated equipment.

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