Satya Nadella's Microsoft and BlackRock have unveiled a $30 billion fund to boost investment into data centers and power the infrastructure needed to support AI.SAUL LOEB/Getty ImagesAmerica is ready to scale up its AI infrastructure.The generative-AI boom has put data-center capacity and energy constraints into focus.A $30 billion fund from Microsoft and BlackRock, plus a government task force, aims to address this.America is stepping up plans to maintain an edge in the generative-AI race.A key part of that strategy is making significant investments in domestic infrastructure — from data centers to chip production — so that the country is less reliant on places such as Taiwan, where tensions with neighboring China loom large.On Tuesday, Microsoft and BlackRock announced the creation of a $30 billion megafund.