Drones and robots are already being used for search & rescue and other challenging missions. Not all drones are capable of flying through narrow gaps though. University of Zurich and EPFL researchers have developed a new quadcopter that makes itself smaller and retracts its propellers to fit through narrow holes. The design is inspired by birds that fold their wings mid-air to fly through narrow openings.
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The Foldable Drone: A Morphing Quadrotor that can Squeeze and Fly
This morphing drone can adopt different shapes to get things done in the field. The above video shows it in action.
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