Drones
"Where can drones fly that no human would dare? Why do engineers turn to nature to design new flying machines? Could a drone space rover reveal the secrets of distant planets? How can a fire rescue drone save lives? Fast, agile and cheap to build, drones offer all the benefits of flight with no risk to any pilot. Already vital tools for the world's armed forces, drones in our towns and cities could transform the way we live, work, and play."--Back cover.
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