Tiny Particles could Help Verify Counterfeit Goods
Chemical engineers hope smartphone-readable microparticles could crack down on counterfeiting.
Some 2 to 5 percent of all international trade involves counterfeit goods, according to a 2013 United Nations report. These illicit products — which include electronics, automotive, and aircraft parts, pharmaceuticals, and food — can pose safety risks and cost governments and private companies hundreds of billions of dollars annually. Many strategies have been developed to try to label legitimate products and prevent illegal trade — but these tags are often too easy to fake, are unreliable, or cost too much to implement, according to MIT researchers who have developed a new alternative.
http://www.wirelessdesignmag.com/news/2014/04/tiny-particles-could-help-verify-counterfeit-goods
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