Gadgets & Gizmos: Flying cars, solving leaves on the line & hearing the Earth's magnetic field

Steve Caplin tells Simon Rose about a flying car that you can now order, although as a car it might prove somewhat lacking. He celebrates 21 years of the iPod, marvels at a couple of Lenovo prototypes, discusses the deadline to use up old-fashioned stamps, plays a recording of what the Earth's magnetic field might sound like, wonders why it's taken until the production of the Sand Rover to solve the problem of leaves on the line and explains how the first piece of land has just been bought using an non-fungible token. Learn more about your ad choices. Visit podcastchoices.com/adchoices