Nvidia: what’s so good about the tech firm’s new AI superchip?

US firm hopes to lead in artificial intelligence and other sectors - and has built a model that could control humanoid robots

The chipmaker Nvidia has extended its lead in artificial intelligence with the unveiling of a new superchip", a quantum computing service, and a new suite of tools to help develop the ultimate sci-fi dream: general purpose humanoid robotics. Here we look at what the company is doing and what it might mean.