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Detecting Explosives at a Distance with Light

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Combining a quantum cascade laser and a crystal tuning fork gets to the heart of chemical identification from meters away.

Hank Hogan

By taking advantage of an accidental discovery, researchers at Oak Ridge National Laboratory in Tennessee have demonstrated a detector that can spot explosives at distances of more than 20 yards. Possibly useful for uncovering bombs and anything with a telltale chemical signature, eventually it...Read full article

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