Picture humanity in a boat being swept down a raging river, praying there is no Niagara Falls ahead. Or imagine standing with the pioneering physicists in 1942 before they triggered the first self-sustaining nuclear fission chain reaction beneath a Chicago stadium.

These were two of the analogies used this week by Prof Robert Trager, an expert in the nascent field of AI governance, to describe the perilous but potential-filled moment the world stands at with accelerating artificial intelligence.