Jordan McCollum wrote at Marketing Pilgrim that Google is looking to partner with H3tec on their detection technology within mobile phones. She goes on to explain that there are several different applications, including tainted food and explosives.
And forum members think it's a good idea:
Use an existing network that exists practically everywhere (mobiles) to give authorities pinpoint location of explosives. Perhaps a bit big brother ish though.
This could be interesting.
Forum discussion continues at DigitalPoint Forums.