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.

Urban environments can be a frenetic mass of contrasts – vibrant or mundane, lively or eerie, beautiful or drab. For a photographer, it’s easy enough to capture how places like this look, but it’s ...