The Huemul Project (Spanish: Proyecto Huemul) was an early 1950s Argentine effort to develop a fusion power device known as the Thermotron. The concept was invented by Austrian scientist Ronald Richter, who claimed to have a design that would produce effectively unlimited power. After gaining significant international attention, Richter's claims were later found to be fraudulent. Richter was able to pitch the idea to President of Argentina Juan Perón in 1948, and soon received massive funding to build an experimental site on Huemul Island, on a lake just outside the town of San Carlos de Bariloche in Patagonia, near the Andes mountains. Construction began late in 1949, and by 1951 the site was completed and carrying out tests. On 16 February 1951, Richter measured high temperatures that suggested fusion had been achieved. On 24 March, the day before an important international meeting of the leaders of the Americas, Perón publicly announced that Richter had been successful, adding that in the future energy would be sold in packages the size of a milk bottle. A worldwide interest followed, along with significant skepticism on the part of other physicists. Little information was forthcoming: no papers were published on the topic, and over the next year a number of reporters visited the site but were denied access to the buildings. After increasing pressure, Perón arranged for a team to investigate Richter's claims and return individual reports, all of which were negative. A review of these reports was equally negative, and the project was ended in 1952. By this time, the optimism of the earlier news had inspired groups around the world to begin their own research in nuclear fusion. Perón was overthrown in 1955, and in the aftermath, Richter was arrested for fraud. He appears to have spent periods of time abroad, including some time in Libya. Eventually he returned to Argentina, where he died in 1991.
Prior to Huemul According to Rainer Karlsch's Hitler's Bomb, during World War II German scientists under Walter Gerlach and Kurt Diebner carried out experiments to explore the possibility of inducing thermonuclear reactions in deuterium using high explosive-driven convergent shock waves, following Karl Gottfried Guderley's convergent shock wave solution. At the same time, Richter proposed in a memorandum to German government officials the induction of nuclear fusion through shock waves by high-velocity particles shot into a highly compressed deuterium plasma contained in an ordinary uranium vessel. The proposal was not carried through.
Early Argentine nuclear efforts Shortly after his election in 1946, Perón began a purge of Argentina's universities that eventually resulted in over 1,000 professors being fired or quitting, causing a serious setback in Argentine science and lasting enmity between Perón and Argentine intelligentsia. In response, the Physical Association of Argentina (AFA) began to organize as a community to retain links between Argentine scientists, who now spread to industry. In 1946, the director of the AFA, physicist Enrique Gaviola, wrote a proposal to set up the Comisión Nacional de Investigaciones Científicas (National Scientific Research Commission), arguing that post-World War II friction (leading to the Cold War) would present the opportunity for various Northern Hemisphere scientists to move south to escape limits on their research. In the same paper, Gaviola argued for the formation of a body to explore the peaceful use of atomic power. In spite of the poor relations between the scientific community and the Argentine government, the proposal was seriously studied and Congress debated the matter on several occasions before Perón decided to place it under military control. Gaviola objected, starting a long and acrimonious debate over the nature and aims of the program. By 1947, plans to form an atomic study group were progressing slowly when the entire issue was shut down by an article in the U.S. political newsmagazine, New Republic. The 24 February 1947 issue contained an article by William Mizelle on "Peron's Atomic Plans", which claimed:
With world famous German atom-splitter Werner Heisenberg invited to come to Argentina by Peron's Government and with a major uranium source discovered in Argentina, that Nation is launching a military nuclear research program to crack Pandora's box of atomic energy wide open. Argentina's determined atomic adventure and its frankly military purposes cannot be dismissed as the impractical dream of a small nation. International pressure on Argentina following the publication was intense, and the plans were soon dropped. This event appears to have made Perón more determined than ever to both develop atomic energy as well as prove its peaceful intentions.
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