Solar Plane Makes Record Flight

A UK-built solar-powered plane has set an unofficial world endurance record for a flight by an unmanned aircraft. The Zephyr-6, as it is known, stayed aloft for more than three days, running through the night on batteries it had recharged in sunlight. The flight was a demonstration for the US military, which is looking for new types of technology to support its troops on the ground. Craft like Zephyr might make ideal platforms for reconnaissance