Drone fleets could find lost hikers in forests without using GPS
Drones can currently work search and also rescue tools, however not in densely-packed woodlands where the tree cover may obstruct GPS signals. Luckily, MIT has a creative remedy: utilize the same innovation that overviews self-driving cars and trucks. Its researchers hav … Original source: https://www.engadget.com/2018/11/04/drones-could-find-hikers-in-forests/
