Nuclear Technologies-Connor H By FCH002 Nov 9, 1789 Discovery of Uranium Period: Nov 9, 1789 to Nov 9, 2015 Timespan of Nuclear Technologies Nov 9, 1896 Uranium's radioactive properties are discovered Nov 9, 1905 Theory of Relativity Apr 9, 1932 Neutron Discovered Nov 9, 1932 First Atom Spilt Nov 9, 1937 Van de Graff Generrator Built Sep 1, 1939 WW2 Begins Nov 10, 1939 Uranium Atoms are Spilt Nov 10, 1942 First Controlled Nuclear Reaction Aug 6, 1945 Hiroshima and Nagsaki are Bombed Sep 2, 1945 WW2 Ends Jan 1, 1946 First Working Nuclear reactor and Atomic Energy Commision Jan 1, 1951 An Experimental Breeder Reactor is built Jan 1, 1953 BOROX-1 Jan 1, 1955 BOROX-3 Jan 2, 1955 USS Nautilus The First Nuclear powered submarine Jan 1, 1979 Three Mile Island accident a reactor's cooling mecanism failed and it went into a meltdown Jan 1, 1986 Chernobyl