Tech Tent

As DeepSeek shocked the world, we speak to an AI expert who worked at a Chinese AI firm. We hear about a new battery exchange system for EVs in Addis Ababa. And imagine a world without potholes - we've got a scientist on who is working on self-healing roads.Get in touch by emailing techlife@bbc.co.uk or sending a Whatsapp to +44330 1230 320.Presenter: Chris Vallance Producer: Imran Rahman-Jones Editor: Monica Soriano(Photo: The logo of the Alibaba AI model Qwen, a blue triangle with Chinese characters beneath. Credit: Getty Images.)