It's been compared to pod racing from Star Wars, but can drone racing actually become a mainstream sport? Meet the entrepreneurs and fans who are trying to make this "really nerdy extreme sport" happen. | Quartz

A Denver-based company called Drone Wash is making waves with its high-tech window-washing drone, “Betty,” which recently took flight to clean the windows of FlyteCo Tower, a former air traffic control tower turned restaurant and entertainment venue in Stapleton. Created by CEO Jay Hanna, the custom-built drone operates like a flying pressure washer, equipped with powerful motors, GPS, and a remote ID module. Connected to a water hose, Betty allows the team to wash entire buildings in one sweep—