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Scientists from the UK have developed a stealth aircraft that runs off solar power and has remained in the air for up to three and a half days at a time. It is known as the Zephyr and the secret to its longevity is solar panels along its 60 ft wingspan....
Tags: spy plane, solar power, zephyr
With solar panels along its 60ft wingspan, the Zephyr promises to revolutionise military intelligence. The unmanned aircraft stores power from the sun in its batteries, allowing it to continue through the night and, potentially, stay in the air for months...