This projector smartwatch turns your arm into a terrible touchscreen

Researchers at the University of Carnegie Mellon have unveiled a new “first-of-its-kind” smartwatch that can turn your arm into a touchscreen. The prototype LumiWatchprojects an interactive surface area on the wearer’s arm or hand, allowing them to tap and swipe on their skin to use the watch. The prototype shows how an on-body interface might work: you swipe left to unlock the watch, and apps are then displayed along your arm. The watch can project an interface up to 40 square centimeters in size, which the researchers say is roughly 5 times bigger than the interface of a typical smart watch. The LumiWatch is self-contained and made up of a logic board, projector, depth sensor, metal enclosure, and battery. More Info

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