On September 1, 1958, the Argonaut training reactor, developed by Argonne National Laboratory, was reassembled at the United Nations' second International Conference on the Peaceful Uses of Atomic Energy in Geneva. This event showcased nuclear energy's potential beyond weapons, emphasizing collaboration for scientific and industrial progress. Unlike the towering reactors hidden in military facilities, Argonaut was designed for education and research—demonstrating that nuclear technology could serve humanity's advancement rather than destruction.