Home World How to find a pill-sized radioactive capsule in vast expanses of Australia – BBC News 中文

How to find a pill-sized radioactive capsule in vast expanses of Australia – BBC News 中文

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How to find a pill-sized radioactive capsule in vast expanses of Australia – BBC News 中文
  • Antoinette Radford
  • BBC reporter

image source,Western Australian Government

image captiontext,

The hazardous device was eventually found near the town of Newman, which is on the 1400km route from the Gooday-Dari mine to Perth.

Authorities in Western Australia were faced with a seemingly impossible task when mining company Rio Tinto reported a capsule of radioactive cesium-137 missing on January 25.

Searchers had to find a pea-sized capsule along a 1,400-kilometre route. The line runs from the Gudai-Darri mine in northern Australia to a warehouse north of central Perth.

Authorities acted quickly, mobilizing professional search and rescue crews to find the capsule, and firefighters were pulled from their usual summer duties.

Experts from across the country were called in, including experts in nuclear science, emergency management agencies and radiation protection officials.

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