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Nazi Germany had no hope of making an atomic bomb, uranium cubes reveal

137 points · 121 comments · xqcgrek2

  1. sandworm101 · · focus · HN ↗
    The science is only half of the question. Another substantial issue was, even with equal knowledge to the US, did German and/or Japan have the industrial capacity to create a nuclear weapon?

    Fun fact also: For all the effort put into the Manhattan project, MORE time/resources were spent on its eventual delivery system (the B-29) than the bomb itself. So even if Germany/Japan had a nuclear bomb, could they have also developed a practical delivery method, something capable enough to trust with such a weapon?

    I had this discussion last week with someone who asked about whether Canada could build a bomb. Ya. Easy. Modern industrial capacities dwarf anything from the 1940s and Canada certainly has the brainpower and raw materials. But could Canada so easily develop a delivery platform, say an ICBM or stealth fighter? Likely not.

    1. delichon · · focus · HN ↗
      Germany did put U-boats off of the US East Coast. It would probably be a one way trip to put one off of the Brooklyn docks. If they had two and used the first to clear a path for the second, it could have worked.
      1. sandworm101 · · focus · HN ↗
        Yes but that would be wildly inefficient. A nuke on the ground ("lay-down" delivery) is already maybe 40% as powerful as one in the air. Put it under even a few feet of water and that becomes only 20% as most of the energy goes sideways/down through water/dirt rather than directly at the target buildings. Water is shockingly dense at scale.
        1. torginus · · focus · HN ↗
          I'm not sure, water is very good at conducting shockwaves. If you had an aquarium the size of an olympic swimming pool you could kill all of them by dropping a hand grenade in it.
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