Babbage: Taxis for take-off

Flying taxis could soon become commonplace in cities if operators can overcome strict regulations on their use. Journalist Rebecca Fannin explores the future of technology giants in China. And, how can the sound of sand reveal its source? Kenn Cukier hostsextra music by Chris Zabriskie “Divider” (CC by 4.0 UK) Hosted on Acast. See acast.com/privacy for more information.