http://www.popsci.com/popsci/science/article/0,12543,484153-1,00.html Maybe the guys in item #1 can help. (I tried to stay out of this thread but then remembered hearing the list above on the radio one morning and had to share) -----Original Message----- From: "Peter L. Peres" Sent: Oct 29, 2003 4:42 PM To: PICLIST@MITVMA.MIT.EDU Subject: [EE:] Fart Detector (electronic nose) A Bronx cheer (why do you call it that - okay I don't want to know) will contain sizeable amounts of methane which will set off a sensor from figaro. I cannot help you with testing, sorry. Peter -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.