Archer Aviation's Midnight eVTOL aircraft has hit some key milestones.Imagine a world where you can avoid traffic gridlock by jumping into a flying taxi that whisks you away to your destination. While this seems like an idea out of science fiction, electric vertical takeoff and landing aircraft (eVTOL), also known as flying taxis, could be coming to a city near you.Flying taxis could potentially change urban transportation, and Archer Aviation (ACHR -1.98%) is one company looking to make them a reality. The ...