Despite the cheaper cost, few people dare to fly unmanned aircraft
According to TheVerge, of the 8000 people surveyed, more than half of them said they did not want to travel on an unmanned aircraft, even if the price was cheaper. NWhen are we allowed to fly a car?
Flying cars are the dream of every child and of leading scientists. Although the advancement of technology has helped mankind create more devices for life, but flying cars are not