How To Find A Land Mine In Fading Light

NEW FLUORESCENT COMPOUNDS DEVELOPED BY A RESEARCH GROUP AT MASSACHUSETTS INSTITUTE OF TECHNOLOGY may soon be used to sniff out some of the estimated 120 million unexploded land mines hidden around the world. The polymers, which glow yellow, are described in the Nov. 25 issue of the Journal of the American Chemical Society. They are sensitive enough to detect extremely dilute trace vapors of TNT, which waft into the air directly above a buried land mine.

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