There’s a hum you learn to recognize if you spend time on a modern factory floor. Not the dramatic kind from a movie — just the steady, low sound of machines doing their work: conveyor belts moving, arms positioning, sensors ticking. And then, occasionally, a quiet alert. Not a siren. A small warning on a screen: a bearing will likely fail in the next few days. A camera has spotted a hairline crack that the human eye would miss. A schedule is drifting, and the system has already suggested a re-route that saves hours of downtime. That’s artificial intelligence at work. Not a chatbot. Not a text box. Not the…