Sensors built into cellphones could detect hazardous chemicals and spread the word to people nearby
By Bjorn CareyPosted 06.04.2010 at 3:32 pm 1 Comment
Your smartphone can post Twitter updates and find late-night pizza. But warn you of a hazardous chemical spill? Soon there will be an app for that too. The Department of Homeland Security is working on technology that allows cellphones to double as chemical detectors.