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Disney’s Scanner Uses Electromagnetic Emissions to Identify Gadgets

Radio Frequency Identification (RFID) technology is an accurate and convenient method for asset management and inventory tracking, but it comes at a cost. Some researchers have focused on redesigning RFID tags to make them smaller and therefore cheaper, but now two electrical engineers working for Disney Research have developed RFID technology that eliminates the tags altogether. The new system uses the electromagnetic signals that gadgets already emit, which makes this method less expe