The SciFi Lab at Cornell has made a breakthrough in body movement tracking with its miniature wristband camera, BodyTrak, which is capable of tracking full-body postures in 3-D. The team, led by Prof.

There is a point where taking technology for granted hides some of the incredible capabilities of seemingly simple devices.

The DIYer's project used that optical sensor and crammed it into a self-made camera body, which they might have 3D printed.

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