Airships can patrol the upper atmosphere, monitoring the ground or peering at the stars for a fraction of a cost of satellites, according to a new report. All that's needed is a prize to kick-start innovation.
Chinese physicists say quantum key distribution is possible through clear ocean water at distances of up 125 metres and at data rates capable of sending a secure video feed.
At Mobile World Congress, a preview of a central way to manage washing machines, parking meters, and glucose sensors.
At Mobile World Congress, the Facebook CEO had no big Internet expansion idea—and had no business talking about infant mortality.
At Mobile World Congress, Nokia marries an Android OS with Microsoft services; while Yotaphone adds full-touch E-Ink displays to dual-screen phone.
Samsung's new Galaxy Gear smart watches will have longer battery lives in part thanks to the highly customized Tizen operating system.
If we want to communicate with other civilisations, it turns out that the laws of physics, the nature of interstellar space and a little common sense place surprisingly strict bounds on how this communication can take place.
Computer scientists have used the pattern of social media communication in Syria to reveal the structure of opposing forces in the civil war.
While superfast Internet access is still scarce, average speeds worldwide inch up, and attacks rise, too.
Study the way people make mobile phone calls in metropolitan areas and you can see a city breathe, say computer scientists.