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Mining jacket a wearable warning system for workers underground (2:04) 

Nov. 6 - A team of university graduates in Chile has developed a potentially life-saving jacket to be worn by miners deep underground. Inspired by the rescue of more than 30 Chilean miners in 2010, the jacket is equipped with technology that transmits a miner's vital signs in real time and sends out warnings when conditions become dangerous. Tara Cleary reports.

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