Clockwise from top left: Pyka’s Pelican Spray drone is the world’s largest ag spray drone currently. It’s spray boom features 20 nozzles on each side. Attendees hear from the Heinen Brothers ...

Defense companies have promoted drones as a possible solution for stopping or mitigating school shootings, though school ...

Many fields, mainly of sugar cane, are now being tended by drones. Large unmanned hexacopters fitted with 20-litre tanks for carrying fertiliser or pesticides follow pre-mapped routes and spray ...

The Delhi government on Friday tested “drone-based mist spraying” at Anand Vihar, one of the city’s pollution hot spots, sending up a device with a capacity to hold as much water as a ...