North Korea upgrades jamming devices: report

North Korea is upgrading jamming devices to disrupt South Korean military communications, Yonhap news agency said Tuesday, citing a defence ministry report.

Analyzing energy potential

Sensors, radio transmitters and GPS modules all feature low power consumption. All it takes is a few milliwatts to run them. Energy from the environment - from sources such as light or vibrations - may be enough to meet these ...

US reconnaissance plane under jamming attack: aide

A US military reconnaissance plane came under electronic attack from North Korea and had to make an emergency landing during a major military exercise in March, an aide to a lawmaker said Friday.

Wireless network outlines plans to protect GPS

LightSquared, a Virginia-based company that plans to build a nationwide wireless broadband network, is proposing to adapt its network so as not to interfere with GPS systems.

A social network that ballooned

(PhysOrg.com) -- On Tuesday, Dec. 1, members of the MIT Media Lab’s Human Dynamics Laboratory received an e-mail with a $40,000 proposition. The U.S. Defense Department’s Defense Advanced Research Projects Agency (DARPA) ...

Mapping hidden meltwater paths in glaciers

Norwegian and Estonian researchers have developed a method to map hidden meltwater paths in glaciers. Having a better understanding of how water moves inside and under the glaciers helps to better predict the motion, melting ...

New technique helps robotic vehicles find their way

(Phys.org) —A Wayne State University researcher understands that the three most important things about real estate also apply to small ground robotic vehicles: location, location, location.

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