America’s tech giants are masters of the digital realm. But as they guess stupendous sums on synthetic intelligence (ai), their ambitions are dealing with constraints within the bodily world. Shortages of chips and data-centre gear akin to transformers and switching gear imply hovering costs and prolonged waits. Simply as urgent is entry to vitality as utilities battle to match the calls for of Silicon Valley. On July twenty fourth President Donald Trump printed an “ai motion plan” which describes America’s stagnating vitality capability as a menace to the nation’s “ai dominance”. How is huge tech dealing with a worsening energy crunch?