![](https://www.urbanairmobilitynews.com/wp-content/uploads/2020/10/Drone-Tether-1.jpeg)
Drone noise an irritant? Delivery system drops packages from 150 ft by tether
A major public criticism is the noise drones make, that of a swarm of bees, and the thought of delivery craft buzzing up to their doorstep with propellers whirling dangerously close, reports newatlas.com. A U.S […]