Fast and accurate infrared 3-D scanner

Infrared 3-D scanners have been used in video games for quite some time. Whereas in video games the scanners are, for example, only able to identify if a player throws his arms up in the air while playing virtual volleyball, ...

Turkey briefly restricts internet after release of IS video

Turkey restricted access to social media websites for several hours after the Islamic State group released a video purportedly showing two Turkish soldiers being burned alive, as Turkish warplanes on Friday pounded the extremist-held ...

Engineering team invents a camera that powers itself

A research team led by Shree K. Nayar, T.C. Chang Professor of Computer Science at Columbia Engineering, has invented a prototype video camera that is the first to be fully self-powered—it can produce an image each second, ...

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