How the legs of water striders repel water

(Phys.org)—Materials scientists study biology at nanoscale in order to incorporate mechanical solutions to problems that have already been resolved by evolution. This biomimicry is evident in much recent technology, including ...

Poll shows some distrust police, most agree on video

In the latest Empire State Poll, which asks about trusting local police, about 23 percent of New York state's black residents and 24 percent of Hispanic or Latino residents reported a low level of trust, compared with only ...

How to alert drivers to fatigue

Frank Black is a professional truck driver, having clocked up nearly three decades travelling the breadth of Australia. But every time he gets into his cab, Black thinks about driver fatigue; over the years he has lost several ...

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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