Scientists develop new approach to mine disasters

(PhysOrg.com) -- University of Utah scientists devised a new way to find miners trapped by cave-ins. The method involves installing iron plates and sledgehammers at regular intervals inside mines, and sensitive listening devices on the ground overhead.

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<p><a href="http://www.physorg.com/news157283613.html">Scientists develop new approach to mine disasters</a></p> <p>(PhysOrg.com) -- University of Utah scientists devised a new way to find miners trapped by cave-ins. The method involves installing iron plates and sledgehammers at regular intervals inside mines, and sensitive listening devices on the ground overhead.</p>