Found German uranium 1943
Specialists from the Institute for Transuranium Elements of the European Research Center JRC completed the analysis of two samples of radioactive material found in 2009 near Rotterdam (Holland).
The first copy, a uranium metal cube, was obtained from uranium mined at the Czech Joachimsthal mine at the end of 1943. The cube was part of the experiments conducted by the physicist Werner Heisenberg (Werner Heisenberg), one of the participants in the Nazi nuclear program . The second copy, a uranium metal plate, was made from the same rock, mined at different intervals in the 40s, and was part of the work of another physicist Karl Wirtz, a close ally of Heisenberg.
As it is known, the best nuclear physicists of the world lived in Germany in the late 30s, including Otto Gan (Nazi), Fritz Strassmann (most likely he was also a member of the party) and his wife Lisa Meitner (a Jew who was given "official permission" to work in Germany, but she still decided to leave the country before the war). Three of them discovered the splitting of heavy nuclei in 1938, including Meitner published the physical rationale for the experiment. For this discovery, Gan and Strassmann received the Nobel Prize in 1945, and the 109th element of the Periodic Table was named after Meitner. After the publication of Meitner in January 1939, physicist Albert Einstein wrote a letter to the President of the United States, warning about the reality of the German nuclear threat. The Americans quickly organized the Manhattan Project for an adequate response.
By 1939, Germany had all the theory for producing a nuclear bomb, but for some reason even the reactor could not be made. In addition, in 1944 their only heavy water plant in Norway was destroyed, with 15 tons of reserves.
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via JRC
The first copy, a uranium metal cube, was obtained from uranium mined at the Czech Joachimsthal mine at the end of 1943. The cube was part of the experiments conducted by the physicist Werner Heisenberg (Werner Heisenberg), one of the participants in the Nazi nuclear program . The second copy, a uranium metal plate, was made from the same rock, mined at different intervals in the 40s, and was part of the work of another physicist Karl Wirtz, a close ally of Heisenberg.
As it is known, the best nuclear physicists of the world lived in Germany in the late 30s, including Otto Gan (Nazi), Fritz Strassmann (most likely he was also a member of the party) and his wife Lisa Meitner (a Jew who was given "official permission" to work in Germany, but she still decided to leave the country before the war). Three of them discovered the splitting of heavy nuclei in 1938, including Meitner published the physical rationale for the experiment. For this discovery, Gan and Strassmann received the Nobel Prize in 1945, and the 109th element of the Periodic Table was named after Meitner. After the publication of Meitner in January 1939, physicist Albert Einstein wrote a letter to the President of the United States, warning about the reality of the German nuclear threat. The Americans quickly organized the Manhattan Project for an adequate response.
By 1939, Germany had all the theory for producing a nuclear bomb, but for some reason even the reactor could not be made. In addition, in 1944 their only heavy water plant in Norway was destroyed, with 15 tons of reserves.
')
via JRC
Source: https://habr.com/ru/post/85842/
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