This flying ‘dragon’ drone can change shape in midair

Researchers at the University of Tokyo’s JSK Lab have developed a “dragon drone,” made up of several small drones and capable of transforming on the fly, as reported by IEEE. Not only can the drone change into different shapes, like a square or curved line, it can also autonomously decide what shape it needs to change into depending on the space it requires to navigate.
The name of the drone is actually an acronym, standing for “Dual-rotor embedded multilink Robot with t