One October noon 418 years ago Martin Luther nailed his famed 95 theses to the church door of the little Saxon village of Wittenberg, started an explosion heard around the world. Since then very little has happened to Wittenberg, though the town grew to a city, developed a thriving chemical industry. One of the largest explosive factories in Germany is the West-fälische Anhaltinische Sprengstoff Fabrik, in the neighboring village of Reinsdorf.
One afternoon last week peasants miles away from Wittenberg heard a dull roar like distant thunder, followed by other roars which...