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Alacrán Missile
Argentina has a history with the development of weapons of mass destruction. Under the military dictatorship, Argentina began a nuclear weapons program in the early 1980s, but this was abolished when democracy was restored in 1983. Missile systems During the 1980s, the ''Alacrán'' ( en, Scorpion) and '' Cóndor 1'' ( en, Condor) missiles were developed. The ''Cóndor 2'', with a range of around 1,000 kilometres, was intended to be developed with assistance from Egypt and Ba'athist Iraq. However, the project was condemned by the United States and the Missile Technology Control Regime. It was reportedly scrapped during the Menem administration under pressure from the United States government and due to a lack of funds in 1990. Biological and chemical weapons Argentina acceded to the Geneva Protocol on May 12, 1969 and has been active in non-proliferation efforts, ratifying the Biological Weapons Convention in 1979 and the Chemical Weapons Convention on October 2, 1995. In Septembe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Weapon Of Mass Destruction
A weapon of mass destruction (WMD) is a chemical, biological, radiological, nuclear, or any other weapon that can kill and bring significant harm to numerous individuals or cause great damage to artificial structures (e.g., buildings), natural structures (e.g., mountains), or the biosphere. The scope and usage of the term has evolved and been disputed, often signifying more politically than technically. Originally coined in reference to aerial bombing with chemical explosives during World War II, it has later come to refer to large-scale weaponry of warfare-related technologies, such as chemical, biological, radiological, or nuclear warfare. Early uses of this term The first use of the term "weapon of mass destruction" on record is by Cosmo Gordon Lang, Archbishop of Canterbury, in 1937 in reference to the aerial bombing of Guernica, Spain: At the time, nuclear weapons had not been developed. Japan conducted research on biological weapons (see Unit 731), and chemical w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Falklands War
The Falklands War ( es, link=no, Guerra de las Malvinas) was a ten-week undeclared war between Argentina and the United Kingdom in 1982 over two British dependent territories in the South Atlantic: the Falkland Islands and its territorial dependency, South Georgia and the South Sandwich Islands. The conflict began on 2 April, when Argentina invaded and occupied the Falkland Islands, followed by the invasion of South Georgia the next day. On 5 April, the British government dispatched a naval task force to engage the Argentine Navy and Air Force before making an amphibious assault on the islands. The conflict lasted 74 days and ended with an Argentine surrender on 14 June, returning the islands to British control. In total, 649 Argentine military personnel, 255 British military personnel, and three Falkland Islanders were killed during the hostilities. The conflict was a major episode in the protracted dispute over the territories' sovereignt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuclear Submarine
A nuclear submarine is a submarine powered by a nuclear reactor, but not necessarily nuclear-armed. Nuclear submarines have considerable performance advantages over "conventional" (typically diesel-electric) submarines. Nuclear propulsion, being completely independent of air, frees the submarine from the need to surface frequently, as is necessary for conventional submarines. The large amount of power generated by a nuclear reactor allows nuclear submarines to operate at high speed for long periods, and the long interval between refuelings grants a range virtually unlimited, making the only limits on voyage times being imposed by such factors as the need to restock food or other consumables. The limited energy stored in electric batteries means that even the most advanced conventional submarine can only remain submerged for a few days at slow speed, and only a few hours at top speed, though recent advances in air-independent propulsion have somewhat ameliorated this disadv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuclear Technology
Nuclear technology is technology that involves the nuclear reactions of atomic nuclei. Among the notable nuclear technologies are nuclear reactors, nuclear medicine and nuclear weapons. It is also used, among other things, in smoke detectors and gun sights. History and scientific background Discovery The vast majority of common, natural phenomena on Earth only involve gravity and electromagnetism, and not nuclear reactions. This is because atomic nuclei are generally kept apart because they contain positive electrical charges and therefore repel each other. In 1896, Henri Becquerel was investigating phosphorescence in uranium salts when he discovered a new phenomenon which came to be called radioactivity. He, Pierre Curie and Marie Curie began investigating the phenomenon. In the process, they isolated the element radium, which is highly radioactive. They discovered that radioactive materials produce intense, penetrating rays of three distinct sorts, which they labeled al ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Treaty On The Non-Proliferation Of Nuclear Weapons
The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT, is an international treaty whose objective is to prevent the spread of nuclear weapons and weapons technology, to promote cooperation in the peaceful uses of Nuclear technology, nuclear energy, and to further the goal of achieving nuclear disarmament and general and complete disarmament. Between 1965 and 1968, the treaty was negotiated by the Eighteen Nation Committee on Disarmament, a United Nations-sponsored organization based in Geneva, Switzerland. Opened for signature in 1968, the treaty entered into force in 1970. As required by the text, after twenty-five years, NPT Parties met in May 1995 and agreed to extend the treaty indefinitely. More countries are parties to the NPT than any other arms limitation and disarmament agreement, a testament to the treaty's significance. As of August 2016, 191 states have become parties to the treaty, though North Korea, which acc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Congress Of Brazil
The National Congress of Brazil ( pt, Congresso Nacional do Brasil) is the legislative body of Brazil's federal government. Unlike the state legislative assemblies and municipal chambers, the Congress is bicameral, composed of the Federal Senate (the upper house) and the Chamber of Deputies (the lower house). The Congress meets annually in Brasília from 2 February to 22 December, with a mid-term break taking place between 17 July and 1 August. The Senate represents the 26 states and the Federal District. Each state and the Federal District has a representation of three senators, who are elected by popular ballot for a term of eight years. Every four years, renewal of either one third or two-thirds of the Senate (and of the delegations of the States and the Federal District) takes place. The Chamber of Deputies represents the people of each state, and its members are elected for a four-year term by a system of proportional representation. Seats are allotted proportionally accor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Congress Of Argentina
The Congress of the Argentine Nation ( es, Congreso de la Nación Argentina) is the legislative branch of the government of Argentina. Its composition is bicameral, constituted by a 72-seat Senate and a 257-seat Chamber of Deputies. The Senate, whose members are elected to six-year terms renewable by thirds each two years, consists of three representatives from each province and the federal capital. The Chamber of Deputies, whose members are elected to four-year terms, is apportioned according to population, and renews their members by a half each two years. The Congressional Palace is located in Buenos Aires, at the western end of Avenida de Mayo (at the other end of which is located the Casa Rosada). The ''Kilometre Zero'' for all Argentine National Highways is marked on a milestone at the Congressional Plaza, next to the building. Attributes The Argentine National Congress is bicameral, composed of the Senate and the Chamber of Deputies. The ordinary sessions span is from Ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brazilian Transition To Democracy
The political opening of Brazil ( pt, abertura politica) was the 1974–1988 period of liberalization under the country's military regime, ending with the decline of the regime, the signing of the country's new constitution, and the transition to democracy. General Ernesto Geisel began the liberalization (''distensão'') in 1974 by allowing for the Brazilian Democratic Movement opposition party's participation in congressional elections. He worked to address human rights violations and began to undo the military dictatorship's founding legislation, the Institutional Acts, in 1978. General João Figueiredo, elected the next year, continued the transition to democracy, freeing the last political prisoners in 1980, instituting direct elections in 1982. The 1985 election of a ruling opposition party marked the military dictatorship's end. The process of liberalization ultimately was successful. The democratization's historiography shows disagreement as to whether the opening was sp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Raúl Alfonsín
Raúl Ricardo Alfonsín (12 March 1927 – 31 March 2009) was an Argentine lawyer and statesman who served as President of Argentina from 10 December 1983 to 8 July 1989. He was the first democratically elected president after more than seven years of military dictatorship, and is considered the "father of modern democracy in Argentina". Ideologically, he identified as a Radical and a social democrat, serving as the leader of the Radical Civic Union from 1983 to 1991, 1993 to 1995, 1999 to 2001, with his political approach being known as "Alfonsinism". Born in Chascomús, Buenos Aires Province, Alfonsín began his studies of law at the National University of La Plata and was a graduate of the University of Buenos Aires. He was affiliated with the Radical Civic Union (UCR), joining the faction of Ricardo Balbín after the party split. He was elected a deputy in the legislature of the Buenos Aires province in 1958, during the presidency of Arturo Frondizi, and a national de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Argentine Transition To Democracy
The history of Argentina can be divided into four main parts: the pre-Columbian time or early history (up to the sixteenth century), the colonial period (1536–1809), the period of nation-building (1810–1880), and the history of modern Argentina (from around 1880). Prehistory in the present territory of Argentina began with the first human settlements on the southern tip of Patagonia around 13,000 years ago. Written history began with the arrival of Spanish chroniclers in the expedition of Juan Díaz de Solís in 1516 to the Río de la Plata, which marks the beginning of Spanish occupation of this region. In 1776 the Spanish Crown established the Viceroyalty of the Río de la Plata, an umbrella of territories from which, with the Revolution of May 1810, began a process of gradual formation of several independent states, including one called the United Provinces of the Río de la Plata. With the declaration of independence on 9 July 1816, and the military defeat of the Spa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Uranium Enrichment
Enriched uranium is a type of uranium in which the percent composition of uranium-235 (written 235U) has been increased through the process of isotope separation. Naturally occurring uranium is composed of three major isotopes: uranium-238 (238U with 99.2739–99.2752% natural abundance), uranium-235 (235U, 0.7198–0.7202%), and uranium-234 (234U, 0.0050–0.0059%). 235U is the only nuclide existing in nature (in any appreciable amount) that is fissile with thermal neutrons. Enriched uranium is a critical component for both civil nuclear power generation and military nuclear weapons. The International Atomic Energy Agency attempts to monitor and control enriched uranium supplies and processes in its efforts to ensure nuclear power generation safety and curb nuclear weapons proliferation. There are about 2,000 tonnes of highly enriched uranium in the world, produced mostly for nuclear power, nuclear weapons, naval propulsion, and smaller quantities for research reactors. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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