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April 2012

Dot-Sized Solar Cell Supplies Substantial Power

April 2012
By George I. Seffers, SIGNAL Magazine

A solar cell no bigger than the dot over the letter “i” is setting new standards for efficiency and could significantly reduce the cost of solar-provided power in hot, dry regions, making solar energy more competitive with established, conventional sources of electricity, according to experts.

U.S. Army Expands Combat-Proven GeoGlobe

April 2012
By George I. Seffers, SIGNAL Magazine

The U.S. Army is pushing to provide manageable amounts of three-dimensional terrain visualization imagery from its GeoGlobe database down to the individual soldier. The imagery soon will become available in PDF format so that it can be viewed on handheld devices to improve situational awareness, mission planning and decision making.

Chinese Navy Employs UAV Assets

April 2012
By James C. Bussert, SIGNAL Magazine

China’s navy has begun using unmanned aerial vehicles as part of its blue-water operations. At least one type has been photographed by foreign reconnaissance aircraft, and other variants have been reported. Not only has China been displaying an assortment of models at air shows, it also is incorporating advanced U.S. unmanned vehicle technology into current and future systems.

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