A Liquid RFID Possibility

An Israeli company says it is developing a way to mix chemicals with clothing fibers to create a very-difficult-to-replicate product identification and tracking system. Asks News.com: Why attach an RFID chip to a shirt when you can identify the shirt through undetectable, invisible chemicals mixed into the fibers?

The News.com story quotes CrossID CEO Moshe Glickstein as saying that his company has devised a way to put a chemical signature into fabrics, labels, inks, boxes and other materials. When a hand or door scanner tuned to a specific frequency is pointed at an item, chemicals mixed inside the item get excited and give off a signal. The signal, which differs with the addition or subtraction of different substances, then serves as an ID for the item.

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