Tech@Facebook published a wrist-based input device last week, which added a new tool to the family of VR/AR. Even though it is still in the prototyping stage, the device depicts the future possibility of neural interface equipped on our wrists. It will be amazing that the wrist-based wearable can free a user’s hands from holding or controlling the input device to engage in more complex movements. The agile contextual awareness by detecting EMG signals on wrists can dramatically decrease the friction between users and devices.
Certainly, it is a ten-year vision, a quite long way to all implementation. I guess there are two bottlenecks in the EMG technology: identification of fine motor movements on users’ hand, and accurately decoding users’ intention of their actions without triggering some unintended operation by unconscious actions. Here is the link: