Tech Explained: Drones

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Many people think of drones as flying robots primarily useful for taking photos or videos. But these devices stand ready to innovate in a wide number of industries, including construction, farming and delivery. So, what, exactly, is a drone and how do they work? The first practical drones were created by the military. In the 1930s, the British developed a reusable unmanned aerial vehicle (UAV) called the Queen Bee, which they used for military target practice. Consumer drones, however, were developed by remote-control airplane hobbyists, who used their phones as remote controllers. Kits developed to allow people to build their…

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