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Handheld Detector Finds Explosives

Posted May 03, 2016 12:00 AM by Engineering360 eNewsletter

A University of Utah team has created a handheld scanner that sniffs out alkaline fuel vapor, a component of explosives. Twin composite nanofibers that transfer electrons are the heart of the system. The presence of the combustible causes the electron transfer to cease, triggering an alarm. A suite of 16 sensor materials identifies a broad range of chemicals, including odorless explosives. Other applications include detecting oil pipeline and aircraft fuel system leaks.


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