Disney’s smartwatch prototype can identify and track everything you touch

December 04, 2015

Many everyday objects give off some amount of electromagnetic (EM) noise, and when your squishy, conductive body comes into contact with an item, its EM signals enter your body. Disney's proof-of-concept augments a smartwatch to be able to read those signals, and apparently the signals are unique enough that the watch can discern and reliably identify different objects.

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