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Aviation innovation: Solar powered aeroplanes and silicone wings

from The Guardian

When birds land, their wings adjust to the airstreams, allowing them to spend as little energy as possible. By contrast, aeroplanes use clunky landing flaps that help channel the air but also waste large amounts of energy. A research team, financed by the EU, has developed a new material that allows aeroplane wings to function more like birds' wings. more


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