This robotic hawk can shape-shift as it flies

The LisHawk. (Enrico Ajanic, EPFL/) Drones are common enough that it’s easy to picture their basic design variations. Fixed-wing drones look like miniature airplanes. Others use propellers—typically four of them—to pull themselves up into the sky, kind of like helicopters. A few drones combine those ideas by using props to get off the ground and […]