Galien Grosjean was a caretaker of tiny glass beads. He bathed them, gently cradled them with tweezers, placed them delicately in his experimental apparatus. He avoided unneeded jostling at all costs: ...

The companies racing to build AI factories are rethinking their plans in order to win back the trust of Americans. The idea of an AI personal assistant might seem far-fetched, but the search giant’s ...