Steel Titans and Silent Stacks: The Technologies That Built (and Broke) Pittsburgh’s Steel Empire
Introduction: Innovation and Obsolescence in the Steel City Pittsburgh’s steel dominance wasn’t just built on raw resources — it was driven by relentless technological innovation. From the Bessemer process that launched an empire to the outdated open-hearth furnaces that spelled its collapse, Pittsburgh’s rise and fall as America’s steel capital is a story of industrial evolution and…