Engineering

'Wi-Fi 'antenna' provides options for rural areas

Ah, the joys of living out in the country: the quiet, the space and the peacefulness. Then there's the internet connection, which can go from bad to worse quickly in many rural areas.

Consumer & Gadgets

RFID tag arrays track body movements, shape changes

Carnegie Mellon University researchers have found ways to track body movements and detect shape changes using arrays of RFID tags. RFID-embedded clothing thus could be used to control avatars in video games—much like in ...

Telecom

Tiny antennas show promise in defense sector

Electrical engineering research into extremely small antennas has made progress that could have a major impact on secure information exchange, giving the U.S. access to a band of frequency no other country can reach.

Engineering

How a drone can soar without using GPS

Drones use GPS to find their way without a pilot. But GPS signals can be easily blocked by tall skyscrapers or trees—leaving drones lost.

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