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3 - Lightning War

from Part I - The Bomb

Published online by Cambridge University Press:  18 July 2024

Mark Walker
Affiliation:
Union College, New York
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Summary

When Germany invaded Poland, German officials set up a research project into the possible military uses of uranium fission. A nuclear reactor, what the Germans called a “uranium machine,” needed a moderator to slow down neutrons. Water, heavy water, and pure carbon in the form of graphite were all considered, but water would need uranium in which the percentage of isotope 235 is increased, and it did not appear feasible for German industry to produce graphite with sufficient purity. Paul Harteck and his collaborator Wilhelm Groth first tried to separate the uranium isotopes with a separation tube. When this failed, the two physical chemists turned to centrifuges. Scientists in Berlin, Heidelberg, and Leipzig began experiments on the behavior of materials when bombarded with neutrons and on model nuclear reactors. At first the materials needed were scarce but Germany captured the Norsk Hydro in Norway, the largest heavy water producer in the world, and the defeat of Belgium brought with it tons of uranium compounds. From the start of the war through to the autumn of 1941, this research had low priority and made modest progress. At this stage of the war, powerful new weapons did not appear needed.

Type
Chapter
Information
Hitler's Atomic Bomb
History, Legend, and the Twin Legacies of Auschwitz and Hiroshima
, pp. 21 - 47
Publisher: Cambridge University Press
Print publication year: 2024

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  • Lightning War
  • Mark Walker, Union College, New York
  • Book: Hitler's Atomic Bomb
  • Online publication: 18 July 2024
  • Chapter DOI: https://doi.org/10.1017/9781009479264.006
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  • Lightning War
  • Mark Walker, Union College, New York
  • Book: Hitler's Atomic Bomb
  • Online publication: 18 July 2024
  • Chapter DOI: https://doi.org/10.1017/9781009479264.006
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Lightning War
  • Mark Walker, Union College, New York
  • Book: Hitler's Atomic Bomb
  • Online publication: 18 July 2024
  • Chapter DOI: https://doi.org/10.1017/9781009479264.006
Available formats
×