Published: March 22, 2021
As part of its three-part series on the future of human-computer interaction (HCI), Facebook Reality Labs recently published a blog post describing a wrist-based wearable device that uses electromyography (EMG) to translate electrical motor nerve signals that travel through the wrist to the hand into digital commands that can be used to control the functions of a device. Initially, the EMG wristband will be used to provide a “click,” which is an equivalent to tapping on a button, and will eventually progress to richer controls that can be used in Augmented Reality (AR) settings. For example, in an AR application, users will be able to touch and move virtual user interfaces and objects, and control virtual objects at a distance like a superhero. The wristband may further leverage haptic feedback to approximate certain sensations, such as pulling back the string of a bow in order to shoot an arrow in an AR environment.
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