dr. luis cifuentes and senior cody torno. welcome. >> hi. hello. >> so, cody, so that we're all on the same page, what's so special about drones? >> the interesting part about it is the fact that it is unmanned. so, we don't have a pilot actually inside a cockpit flying the vehicle. it's done in an exterior location, which is a safer option. >> so, how's it controlled? >> it's controlled via satellite usually or some type of external communication link, kind of like a long-distance r.c. plane except it also can be used autonomously, which means without any kind of user input. >> doctor, the military has been using drones for a while now to take out terrorists. how else can drones be used? >> well, there are a tremendous number of applications. one of them is called precision agriculture. it's going to make it possible for us to grow food much more efficiently, wildfire monitoring. if you want to go out into the marine environment and follow whales, you could use unmanned aircraft systems or drones to do it. if you want to check structures wh