Nuclear art other apocalyptical and post apocalyptical paintings up to 1965. The British sculptor, Henry Moore, created a bronze public sculpture, entitled, Nuclear Energy (sculpture) (1967) that depicted both the fatality of nuclear weapons as well as celebrated the invention of nuclear energy for use as electrical power. The sculpture is located on the grounds of the University of Chicago, where the first self-sustaining nuclear reaction was produced at the Chicago Pile-1, under the oversight of the Manhattan Project and Enrico Fermi. The sculpture is in the form of a hybrid mushroom cloud and human skull. After the March 2011 accident that
Nuclear reactor new type of reactor using uranium came from the discovery by Lise Meitner, Fritz Strassmann and Otto Hahn in 1938 that bombardment of uranium with neutrons (provided by an alpha-on-beryllium fusion reaction, a "neutron howitzer") produced a barium residue, which they reasoned was created by the fissioning of the uranium nuclei. Subsequent studies in early 1939 (one of them by Szilárd and Fermi) revealed that several neutrons were also released during the fissioning, making available the opportunity for the nuclear chain reaction that Szilárd had envisioned six years previously. On 2 August 1939 Albert Einstein signed a letter to President