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Published online 13 April 2005 | Nature | doi:10.1038/news050411-6
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Polymer sniffs out explosives
Device makes light work of detecting bombs.
A new material designed by a team of chemists and electrical engineers in the United States can detect explosives such as TNT with 30 times more sensitivity than current man-made detection devices.
Specially trained dogs that can sniff out the chemical vapours released by buried explosives are currently the gold standard for detecting hidden bombs, but bomb dogs are expensive to train and can work for only a limited number of hours each day.
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