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  • ...in Italy, Fermi worked with artificial radioactivity, made the source of [[neutron]]s of [[radon]] (gas) and [[Berillum]] pouder sealed in a glass tube. For t ...d it with beryllium powder and sealed it in a glass tube. The tube was his neutron source. He built the Geiger counter used to measure the radioactivity resul
    17 KB (2,705 words) - 18:25, 30 July 2019
  • ...he view of the empty streets with the result of application of a [[neutron bomb]], as it was often advertised in the soviet propaganda during the [[USSR]].
    1 KB (171 words) - 07:01, 1 December 2018
  • ...in Italy, Fermi worked with artificial radioactivity, made the source of [[neutron]]s of [[radon]] (gas) and [[Berillum]] pouder sealed in a glass tube. For t ...d it with beryllium powder and sealed it in a glass tube. The tube was his neutron source. He built the Geiger counter used to measure the radioactivity resul
    24 KB (2,705 words) - 14:47, 18 August 2019
  • ...[Pu-240]]) is an isotope of plutonium formed when plutonium-239 captures a neutron. The detection of its spontaneous fission led to its discovery in 1944 at L ...he presence of 240Pu limits plutonium's use in a nuclear bomb, because the neutron flux from spontaneous fission initiates the chain reaction prematurely, cau
    3 KB (341 words) - 20:23, 20 July 2022