Known as a Tensor Processing Unit (or TPU), it looks like an unassuming little chip but, says Mr Pichai, it will one day ...

Google's ultra-private CEO Sundar Pichai is showing me around Googleplex, its California headquarters. A walkway runs along ...

Chipmaker turned AI systems pioneer Nvidia in Santa Clara is now worth more than $5 trillion. A 10-minute drive south, in ...