Wildfires: Researchers hope drone swarms will prevent infernos

BBCSwarms of as many as 30 large twin-engine drones will patrol the skies for potential wildfires, researchers hopeDrones could soon be working together in swarms to put out flames before they become wildfires, UK researchers hope.A team of firefighters, scientists and engineers are working on a project they say will allow swarms of up to 30 autonomous planes to spot and extinguish fires by working collectively…