The dragonfly is a master flyer—it can hover, fly backwards, even glide with no wing movement at all. Robots that can mimic such flight would have more capabilities than planes or helicopters, or even quadcopters (they can’t glide when turned off). That it is able to do so with all of its “brains” (and a battery) tucked inside such a tiny little frame is truly remarkable. Its wings—made of foil and carbon-fiber—are moved by individual tiny servo-motors that allow for 90 degrees of adjustment—all