Robots can use their own whirring to echolocate and avoid collisions

Instead of using sophisticated sensors to detect their surroundings and navigate safely, drones and robots could listen for reflections of their own mechanical noises

Robots can use their own whirring to echolocate and avoid collisions
Instead of using sophisticated sensors to detect their surroundings and navigate safely, drones and robots could listen for reflections of their own mechanical noises