Aerospace firm Airbus has completed two 18-day stratospheric flights of its solar-powered aircraft, called Zephyr, 76,100 feet above the Earth. Zephyr's solar powered test flights in the stratosphere ...
The military, too, believes such platforms will have applications above the battlefield. Zephyr's chief designer, Chris Kelleher, told BBC News Online: "You can communicate over long distances; at the ...
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