Super-sensitive explosives detector can detect explosives at distances exceeding 20 yards

Using a laser and a device that converts reflected light into sound, researchers at the Department of Energy's Oak Ridge National Laboratory can detect explosives at distances exceeding 20 yards.

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<p><a href="http://www.physorg.com/news133663661.html">Super-sensitive explosives detector can detect explosives at distances exceeding 20 yards</a></p> <p>Using a laser and a device that converts reflected light into sound, researchers at the Department of Energy's Oak Ridge National Laboratory can detect explosives at distances exceeding 20 yards.</p>