Gadgets & Gizmos: AI gaffes and hearing aids, cutting cargo ship emissions and head transplants

Steve Caplin discusses the latest AI gaffes, as it suggests rock eating and gluing cheese onto pizzas. There's a bright idea to cut cargo ship emissions. Glass windows can be made more efficient – with one drawback. AI can help vastly improve hearing aids. A crowd-funded exercise bike claims to provide a more realistic 3D interactive landscape. And a molecular biologist believes he's only ten years away from robotic head transplants. Learn more about your ad choices. Visit podcastchoices.com/adchoices