Seven pioneers of artificial intelligence gathered at St James's Palace to receive the Queen Elizabeth Prize for Engineering, presented by King Charles. Zoe Kleinman was there. In this week's edition you can hear Zoe talk to the 'godmother' of AI, Professor Fei-Fei Li, and Jensen Huang, the head of the world's most valuable company, Nvidia. Also on Tech Life this week: how useful can robots be in space? And the racing cars revving up in Abu Dhabi without any drivers onboard. Presenter: Chris Vallance Producer: Tom Quinn (Photo: A photo of King Charles at the prize ceremony in London. Credit: Reuters)