Cognitive Radio
To avoid future wireless traffic jams, Heather "Haitao" Zheng is finding ways to exploit unused radio spectrum.
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African Entrepreneurs Deflate Google’s Internet Balloon Idea
Kenyan tech leaders say the high-flying Internet balloons may not be a realistic networking solution for their continent.
Mobile Call Logs Can Reveal a Lot to the NSA
Research shows how much the NSA could glean from call records, and why efforts to downplay the significance of such metadata are misleading.
Flying Robots
Compact unmanned aerial vehicles will perform many valuable jobs if aviation regulations allow them to operate commercially.
Mobile Summit 2013: More Apps May Soon Want to Know Where You Are
Factual, a company that provides location data on places, thinks more apps could make use of its information.
NSA Surveillance Reflects a Broader Interpretation of the Patriot Act
Privacy advocates have warned for years about the kinds of surveillance revelations that were aired this week.
Even with Cord-Cutting and the Web, the TV Audience Is Massive
Although we have more ways to entertain ourselves than ever, it's proving hard to unseat television as the most popular mass medium.
Autonomy in Cars Progresses, But Regulators Struggle to Keep Up
The federal government is scrambling to deal with the rapid pace of IT-driven innovation in cars.
Samsung Says New Superfast “5G” Works with Handsets in Motion
Samsung has made some bold claims about its “5G” technology, but experts await published confirmation.
A Tiny Cell-Phone Transmitter Takes Root in Rural Africa
Rural areas could benefit greatly from a rugged outdoor base station.
