Your fact of the day: About 0.1% of the entire US population was involved in making the atomic bomb during WWII. 1 out of every 1000 people.
@PabloK MED personnel: ~130k. US pop in 1945: a little under 140m. I rounded a little.
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@wellerstein Amazing. Must note that fact for lectures...Thanks. Twitter will use this to make your timeline better. UndoUndo
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