Defunct nuclear reactors

United States Antarctic research center on the south tip of Ross Island

world's second artificial nuclear reactor and the first reactor designed and built for continuous operation

former nuclear power plant in Ågesta, Stockholm, Sweden

decommissioned nuclear reactor at the Hanford Site in Washington, United States

nuclear reactor in Sweden

former nuclear reactor in Sweden

thumb|right|NRX and ZEEP buildings, Chalk River Laboratories, 1945. The Ottawa River is behind the reactor buildings. The ZEEP (Zero Energy Experimental Pile) reactor was a nuclear reactor built at the Chalk River Laboratories near Chalk River, Ontario, Canada (which superseded the Montreal Laboratory for nuclear research in Canada). ZEEP first went critical at 15:45 on September 5, 1945. ZEEP was the first operational nuclear reactor outside the United States. == History == The reactor was designed by Canadian, British and French scientists as a part of an effort to produce plutonium for nuc

historic reactor construction program