| A. Then, the drone will fly to the person. B. But they have other uses now. C. Luckily the drone tracked (追踪) him down in 20 minutes. D. Drones can serve people coffee. E. Drones can also save lives. |
Drones (无人机) can do a lot of things for us, taking photos, delivering (递送) things from packages(包裹) to pizzas to beer and following wild animals.
Can you believe it? US company IBM has made this kind of drone. It can deliver coffee to sleepy people. The drone can know when to bring a cup of coffee by studying a person's personal information. There is a special device (设备) under the drone. It helps the drone to give coffee. The drone can also learn about someone's coffee-drinking habits and tell when someone need next cup of coffee.
One company in Africa use drones to deliver medicine and blood fast and save many people's lives. The drones are able to fly at speeds of up to 60 mph and when they are within a minute of the destination(目的地), the doctors receive a text and wait nearby. The drone drops off the package and then returns to its home.
A 92-year-old hunter in Virginia was lost and had to spend a night in the woods. The police searched for him all night but failed to find him. Also, drones helped firefighters know about the fire in wildfire fight.
