Hovermap drones dive underground to autonomously map mines and tunnels Hovermap drones dive underground to autonomously map mines and tunnels New Atlas CSIRO’s Main Sequence Ventures backs underground drone startup Emesent The Australian Financial Review The tunnel-mapping drones in ‘Prometheus’ are now real thanks to Aussie scientists Stockhead Full coverage Brought to you by Google News. Read the rest of the article here. FacebookTwitterGoogle+Pinterest