After years of research and development and billions in investment, autonomous flying taxis are finally poised to take off. Companies working on these pilotless vehicles have been quietly working on prototypes. In this bonus from The Big Take, Bloomberg reporter Colum Murphy takes a test flight in one of the first models operating in China, and his colleague Angus Whitley explains why it’s a make or break moment for the industry.

Plus: Hear a past episode episode of Zero about flying cars with Venkat Viswanathan, a professor at Carnegie Mellon University who has been working to create a battery that can power an aircraft on a trip over 200 miles.