Drones are already being used for search and rescue missions. Not all of them can fly through narrow holes though. University of Zurich and EPFL researchers have come up with a drone that changes shape to be able to fly through narrow holes. It consists of a frame with 4 rotating arms that fold around it.
More like this ➡️ here
The drone retracts its propeller arms and makes itself small to fit through narrow spaces. Once the drone passes through the gaps, it goes back to its previous shape.
[HT]
*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.
