To hear it is to feel in your skull the brute force involved in the the development of AI technology. Even a relatively modest Google AI factory planned in Essex is expected to emit the equivalent carbon footprint of 500 short-haul flights a week. Silicon Valley has always run on youth, and if experience is needed more can be found in the highest ranks of the AI companies. When he joined OpenAI, AGI was “a very abstract, mythical concept – almost like a rallying cry for me”, he said. But Trump shows no signs of binding the AI companies’ with red tape and is piling pressure on the UK prime minister, Keir Starmer, to follow suit.