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50, 100 and 150 Years Ago: Polystyrene, Battleship "Maine" Sunk and Coal at the Pole?

Articles from the Scientific American archive

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Scientific American Magazine Vol 278 Issue 2This article was originally published with the title “50, 100 and 150 Years Ago” in Scientific American Magazine Vol. 278 No. 2 (), p. 12
doi:10.1038/scientificamerican0298-12