Tel Aviv-based Tracense Systems has developed the world’s first nanotech-based “electronic nose” to sniff out security threats like bombs, biological warfare agents, and toxic liquids. The ‘laboratory-on-a-chip’ sensors even outperform “sniffer” dogs.
http://www.timesofisrael.com/israeli-nanotech-innovation-can-smell-bombs/
Electronic nose can smell bombs
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