IT DOES the job of a nose, works like an ear and displays what it finds as a picture. And in just 10 seconds, the world’s fastest electronic sniffer can identify hundreds of scents in a mix, and tell you how much of each is there.
Dubbed the zNose, the new sensor is the first electronic nose accurate enough to be approved by the US Environmental Protection Agency (EPA), the national pollution watchdog. Its manufacturer, Electronic Sensor Technology of Newbury Park, California, says it can be used to sniff out pollutants in everything from plastics and perfumes to foodstuffs.
To…
