To move objects over uneven terrain or stairs when a wheeled cart cannot, the drone responds to human control with what the developers call a physical human-robot interaction technique that ...

The group in the UK devised an improved system to take the human effort out of the equation by sending a drone to fly autonomously over piece of mountainous terrain and take images of the ground ...

They tend to conceal the scattered mines on the ground, and as the foliage disappears from the trees, it removes what little cover the people had to shelter from hunting drones in the human safari.