Computer scientists have created a device for wearable computer input suitable for many situations, just by touching your fingertips together in different ways. The device, called Tip-Tap, is inexpensive and battery-free through the use of radio frequency identification (RFID) tags to sense when fingertips touch. The device could, therefore, be added to disposable surgical gloves, allowing surgeons to access preoperative planning diagrams in an operating room.
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