It’s got the usual trappings of a drone, but with only a single rotor ... now and sort out the details later for this ducted-fan, thrust-vectored UAV. Whatever we choose to call it — builder ...

it is one of the largest drones we’ve ever seen. Able to lift 400 pounds (a Phantom 3 weighs 2.8 pounds) and can fly for eight hours, the SKYF drone is a nice piece of aeronautical engineering.

In Bryan's class, elementary-age kids practiced flying drones. In another ... students shouted what he was demonstrating: "Lift!" "Drag!" "Weight!" "Thrust!" Even if the kids don't pursue a ...