PS
I just found this.
trying to put K9 out of a job?
'Electronic Nose' Created By Inkjet Printing Can Detect Explosives | Scientific Blogging
Quote:
'Electronic Nose' Created By Inkjet Printing Can Detect Explosives
Submitted by News Account on 9 November 2007 - 7:50pm. Technology
A tiny “electronic nose” that MIT researchers have engineered with a novel inkjet printing method could be used to detect hazards including carbon monoxide, harmful industrial solvents and explosives.
Led by MIT professor Harry Tuller, the researchers have devised a way to print thin sensor films onto a microchip, a process that could eventually allow for mass production of highly sensitive gas detectors.
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