Thursday, July 18, 2019
Radio frequency identification (RFID) tags, those tiny ribbons of metal with a tiny chip, are found in countless objects. From key fobs and payment cards to library books and inventory in a factory, these embedded inexpensive tags provide a way to uniquely and wirelessly identify objects.
Because RFID tags are widely deployed and cost little — mere pennies per tag — researchers have been working to expand their applications beyond mere identification, being able to know, for example, where a misplaced tagged book is on a library shelf rather than simply if it has been checked out or returned. Read the full story.