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How much U do I need to build an atomic weapon?

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  • How much U do I need to build an atomic weapon?

    From cnn: http://edition.cnn.com/2008/WORLD/eu...ef=mpstoryview

    WASHINGTON (AP) -- Enough processed uranium to make six nuclear weapons was secretly transported thousands of miles by truck, rail and ship on a monthlong trip from a research reactor in Budapest, Hungary, to a facility in Russia so it could be more closely protected against theft, U.S. officials revealed Wednesday.

    The shipment, conducted under tight secrecy and security, included a three-week trip by cargo ship through the Mediterranean, up the English Channel and the North Sea to Russia's Arctic seaport of Murmansk, the only port Russia allows for handling nuclear material.

    The 13 radiation-proof casks, each weighing 17,000 pounds, arrived by rail at the secure nuclear material facility at Mayak in Siberia on Wednesday, carrying 341 pounds of weapons-usable uranium, said Kenneth Baker, a National Nuclear Security Administration official who oversaw the complex project.
    As one pound= 0.45359237 kilograms, and U density is 19.1 g/cm3, looks like I need 1351 cm3 ( a sphere with a 13.7 cm diameter).

    Thanks cnn! Would be nuclear terrorists love this kind of information!

  • #2
    As if that kind of information isn't readily available all over the place.

    Jon Miller: MikeH speaks the truth
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    • #3
      lets face it anyone with a physics degree could work out what one would need to make a bomb, actually making it though is a little bit harder
      Space is big. You just won't believe how vastly, hugely, mind- bogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space.
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      • #4
        The cake is NOT a lie. It's so delicious and moist.

        The Weighted Companion Cube is cheating on you, that slut.

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        • #5
          Kmart is to have a blue light special this weekend.
          Life is not measured by the number of breaths you take, but by the moments that take your breath away.
          "Hating America is something best left to Mobius. He is an expert Yank hater.
          He also hates Texans and Australians, he does diversify." ~ Braindead

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          • #6
            I've got my coupon!
            Monkey!!!

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            • #7
              Originally posted by MikeH
              As if that kind of information isn't readily available all over the place.

              http://en.wikipedia.org/wiki/Fat_Man
              Why are you linking to a description of a plutonium weapon when it's uranium which has gone missing?
              12-17-10 Mohamed Bouazizi NEVER FORGET
              Stadtluft Macht Frei
              Killing it is the new killing it
              Ultima Ratio Regum

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              • #8
                Missing weapons-grade uranium is much worse than missing plutonium, by the way (design of a uranium bomb is ridiculously simple compared to plutonium bomb). Though I note that the article is a bit unclear on specifics. It says that the uranium is "weapons usable" but not its actual purity (percentage of U-235).
                12-17-10 Mohamed Bouazizi NEVER FORGET
                Stadtluft Macht Frei
                Killing it is the new killing it
                Ultima Ratio Regum

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                • #9
                  Both end in ium.
                  Life is not measured by the number of breaths you take, but by the moments that take your breath away.
                  "Hating America is something best left to Mobius. He is an expert Yank hater.
                  He also hates Texans and Australians, he does diversify." ~ Braindead

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                  • #10
                    I can't think of any famous physicist born in Texas. You may just have demonstrated why.
                    12-17-10 Mohamed Bouazizi NEVER FORGET
                    Stadtluft Macht Frei
                    Killing it is the new killing it
                    Ultima Ratio Regum

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                    • #11
                      Originally posted by KrazyHorse
                      I can't think of any famous physicist born in Texas. You may just have demonstrated why.
                      How about Smith & Wesson?

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                      • #12
                        I don't get how two Massachusetts-born gunsmiths have anything to do with Texas or physics.
                        12-17-10 Mohamed Bouazizi NEVER FORGET
                        Stadtluft Macht Frei
                        Killing it is the new killing it
                        Ultima Ratio Regum

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