with the ground wire switched off, sitting in the intense electrical field of the thunderstorm and building up a large difference in charge between the drone at the top and the ungrounded wire at ...

Integrating ground drones with BIM analysis, this research improves construction site audits by accurately detecting ...

Freefly’s “Flying Sun 1000” is a new drone system bedecked with numerous LEDs powerful enough to fill a patch of ground with bright light. Watching the video (top), you can certainly see how ...