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Facebook reveals plan for augmented reality smart glasses – live updates

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To track hand movements, it’s developing a wrist-worn EMG sensor. “The signals through the wrist are so clear that EMG can detect finger motion of just a millimeter,” Facebook wrote in a blog post. “That means input can be effortless — as effortless as clicking a virtual, always-available button — and ultimately it may even be possible to sense just the intention to move a finger.”

Tiny hand movements are unlikely to get tiring, solving the problem of virtual reality where people can get exhausted of moving their arms and head around. It’s all part of Facebook’s plan to build “comfortable, all-day wearable devices.”



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