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On another note here is a link to Enose that NASA have developed that can detect one part in a million of any substance.http://science.nasa.gov/science-news/science-at-nasa/2004/06oct_enose/
Quote from: Airthumbs on 08/01/2011 05:31:57On another note here is a link to Enose that NASA have developed that can detect one part in a million of any substance.http://science.nasa.gov/science-news/science-at-nasa/2004/06oct_enose/I think dogs sniff on the order of parts per billion (1000x times what the NASA device is reported to be able to detect.However, the new devices are now detecting in the parts per trillion range.http://www.technologyreview.com/computing/26327/?a=fPoor Fido
1984 here we come!
Quote from: Airthumbs on 08/01/2011 19:35:511984 here we come!It was Fahrenheit 451 that had the mechanical dog.I like your idea of a scent fingerprint. I can see a new application of keyless entry doors.I suppose the risk is whether it could be faked, but I could see a huge industry for passive identification.