China warns soldiers against wearable gadgets

China has warned soldiers against using smartwatches, high-tech spectacles and other Internet-connected wearable gadgets, saying they could "endanger security" after a recruit was caught trying to take a photograph of troops.

MH370 should make us rethink how we monitor planes

Search ships may be honing in on the black box from missing Malaysian Airlines Flight MH370 after weeks of searching. But whether they are successful or not, the difficulty they have encountered along the way should have ...

Speeding algorithms by shrinking data

In computer science, the buzzword of the day is "big data." The proliferation of cheap, Internet-connected sensors—such as the GPS receivers, accelerometers and cameras in smartphones—has meant an explosion of information ...

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