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https://physicsworld.com/a/new-light-on-hitlers-bomb/We now have an extra twist to the tale with new documents that were recently discovered in Russian archives, including papers from the Kaiser Wilhelm Institute of Physics in Berlin. There are four particularly notable items among this material: an official report written by von Weizsäcker after a visit to Copenhagen in March 1941; a draft patent application written by von Weizsäcker sometime in 1941; a revised patent application in November of that year; and the text of a popular lecture given by Heisenberg in June 1942.
One of us (RK) has used these documents – as well as many other sources – as the basis of a new book Hitlers Bombe. The book, which was published in March, prompted a heated debate about how close Germany was to acquiring nuclear weapons and how significant these weapons were (see Physics World April 2005 p7). Working with the journalist Heiko Petermann, RK discovered that a group of German scientists had carried out a hitherto-unknown nuclear-reactor experiment and tested some sort of a nuclear device in Thüringia, eastern Germany, in March 1945. According to eyewitness accounts given at the end of that month and two decades later, the test killed several hundred prisoners of war and concentration-camp inmates. Although it is not clear if the device (figure 1) worked as intended, it was designed to use nuclear fission and fusion reactions. It was, therefore, a nuclear weapon.
Following the publication of Hitlers Bombe, another document has turned up from a private archive. Written immediately after the end of the war in Europe, the undated document contains the only known German drawing of a nuclear weapon (figure 2).
Whereas the experiments under Heisenberg used alternating layers of uranium and moderator, Diebner’s team developed a superior 3D lattice of uranium cubes embedded in moderator. Heisenberg never gave Diebner and the scientists working under him the credit they were due, but the Nobel laureate did take up Diebner’s design for the last experiment carried out in Haigerloch in south-west Germany. RK now reveals that Diebner managed to carry out one last experiment in the last months of the war. The exact details of the experiment are unclear. After a series of measurements had been taken, Diebner wrote a short letter to Heisenberg on 10 November 1944 that informed him of the experiment and hinted that there had been problems with the reactor. Unfortunately, no more written sources have been found relating to this final reactor experiment in Gottow. Industrial archaeology done at the site during 2002 and 2003 suggests that this reactor sustained a chain reaction – if only for a short period of time – and may have ended in an accident....
...More surprising, if not shocking, is another revelation in RK’s book: a group of scientists under Diebner built and tested a nuclear weapon with the strong support of both Walther Gerlach – an experimental nuclear physicist who by 1944 was in charge of the uranium project for the Reich Research Council. (Hahn, Heisenberg, von Weizsäcker and most of the better-known scientists in the uranium project apparently were not informed about this weapon.) This device was designed to use fission reactions, but it was not an “atomic” bomb like the weapons used against Nagasaki and Hiroshima (figures 1a and b). And although it was also designed to exploit fusion reactions, it was nothing like the “hydrogen” bombs tested by the US and the Soviet Union in the 1950s.
Instead, conventional high explosives were formed into a hollow shape, rather than a solid mass, to focus the energy and heat from the explosion to one point inside the shell (figure 1c). Small amounts of enriched uranium, as well as a source of neutrons, were combined with a deuterium-lithium mixture inside the shell. This weapon would have been more of a tactical than a strategic weapon, and could not have won the war for Hitler in any case. It is not clear how successful this design was and whether fission and fusion reactions were provoked. But what is important is the revelation that a small group of scientists working in the last desperate months of the war were trying to do this....
...It would be rash indeed to believe that this is the last word on the matter. The German atomic bomb is like a zombie: just when we think we know what happened, how and why, it rises again from the dead....
https://www.researchgate.net/publicatio ... r%27s_bomb
https://www.h-net.org/reviews/showpdf.php?id=19998
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Niisama huvitavat lisalugemist
The Secret World War II Mission to Kidnap Hitler’s A-Bomb Scientists
Anticipating the Allied arrival, German researchers hid their files inside a watertight drum and sunk it into a cesspool.
https://www.history.com/news/wwii-nazi- ... heisenberg
Sellisel juhul peaksid Star Wars ja paljud teisedki sarnased ulmefilmid tähtedevahelises ruumis filmitud olema. 