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When Flour Became Gunpowder: The Mill That Blew Apart Minneapolis

When Flour Became Gunpowder: The Mill That Blew Apart Minneapolis

The city woke on May 3, 1878 to granite fragments scattered across eight city blocks and nearly half a mile from the Washburn A Mill - stone that had been millstone hurled through the night. How did the everyday dust of the world's largest flour mill turn the building into a bomb, killing the entire night crew in seconds?

In this episode, we tell what happened at the Washburn A Mill on the night of May 2-3, 1878, how ordinary conditions inside the mill produced an extraordinary catastrophe, and why the answer about what was…

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