Jacqui Wakefield joins singer KT Tunstall as she sees her musical avatar perform for the first time. Chris Vallance heads out on fatberg patrol to see an AI warning system in action. Zoe Kleinman chats to tech entrepreneur Melanie Perkins, CEO of graphic design platform Canva. And Nick Kwek has the latest on space lasers - beaming power to robots, satellites and other equipment to power them remotely.