Electronic Nose Knows a Good Smell

Researchers have trained an "electronic nose" to distinguish between sweet and foul odors, even if it's never been exposed to them before.

The advance could help companies better monitor for dangerous chemicals and spoiled foods, and could even allow odors to be transmitted electronically

Source:
http://news.sciencemag.org/sciencenow/2010/04/electronic-nose-knows-a-good-sme.html?etoc=&sms_ss=digg