Diagnosing single trees from above

Models based on images from unmanned aerial vehicles and satellites can help farmers to monitor the health of individual trees.

First flight success for drone-sized electric aircraft

If fully electric regional passenger jets someday fly from Cleveland to Atlanta, aviation historians will likely point out that the first successful in-air test of the battery technology making it possible happened on a frozen ...

Stalking the drones

Drones are becoming ubiquitous—they help bridge inspectors examine otherwise inaccessible spaces, monitor crop health for farmers, and assist search and rescue teams. They are also a boon to bad guys, from drug runners ...

Video: feathers not included

Inspired by the beauty and flying ability of birds, Leonardo da Vinci strived centuries ago to create a human-powered flapping-wing flying machine. But his designs, which da Vinci explored in his Codex on the Flight of Birds, ...

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