AI played a major role in two of the Nobel Prizes handed out this year for scientific discoveries. The winners disagree in how the technology should be regulated.

Hours after the artificial intelligence pioneer Geoffrey Hinton won a Nobel Prize in physics, he drove a rented car to Google’s California headquarters to celebrate.

The award this week of Nobel prizes in chemistry and physics to a small number of artificial intelligence pioneers affiliated with Google has stirred debate over the company's research dominance and how breakthroughs in computer science ought to be recognised.