50, 100 & 150 Years Prior to now: June 2021

50, 100 & 150 Years Prior to now: June 2021

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Social strata of turkeys; moon bombs

1921: A extremely early “infographic” depicts how U.S. railroads were suffering thanks to a sad economic system characterized by deflation. “Railroads can no longer haul freight that would no longer exist. Credit score: Scientific American, Vol. CXXIV, No. 25; June 18, 1921

    Trace Fischetti is a senior editor at Scientific American. He covers all sides of sustainability.


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    Credit score: Slash Higgins

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