nuclear testing
Quick Summary
Nuclear testing involves detonating nuclear weapons to study their effects. The first test, codenamed Trinity, occurred in New Mexico in 1945. These tests, conducted both above ground and underground, release immense energy, producing blast, heat, and radiation.12
Atmospheric testing led to widespread public concern over radioactive fallout, which can contaminate the environment and pose health risks. This concern contributed to the signing of the Nuclear Test-Ban Treaty in 1963, which prohibited tests in the atmosphere, outer space, and underwater, though underground testing continued. The Nevada Test Site was a primary location for U.S. nuclear explosive tests between 1951 and 1992. Efforts to ban all nuclear testing led to the proposed Comprehensive Nuclear-Test-Ban Treaty, though its ratification has faced challenges.3245
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supercomputerHistorical development…a computer capable of simulating nuclear tests—a feat requiring a machine capable of executing 100 trillion FLOPS (100 TFLOPS; the fastest extant computer at the time was the Cray T3E, capable of 150 billion FLOPS). ASCI Red, built at Sandia National Laboratories in Albuquerque, N.M., with the Intel Corporation, was…
Read More…a computer capable of simulating nuclear tests—a feat requiring a machine capable of executing 100 trillion FLOPS (100 TFLOPS; the fastest extant computer at the time was the Cray T3E, capable of 150 billion FLOPS). ASCI Red, built at Sandia National Laboratories in Albuquerque, N.M., with the Intel Corporation, was…
Read More- arms controlThe Cold War: Soviet and U.S.-led arms-control agreements
Nuclear Test-Ban Treaty (1963), prohibited tests of nuclear weapons in the atmosphere, in outer space, and underwater, which thus effectively confined nuclear explosions to underground sites. The Outer Space Treaty (1967) further limited the deployment of nuclear weapons and other weapons of mass destruction by banning countries from placing them…
Read MoreNuclear Test-Ban Treaty (1963), prohibited tests of nuclear weapons in the atmosphere, in outer space, and underwater, which thus effectively confined nuclear explosions to underground sites. The Outer Space Treaty (1967) further limited the deployment of nuclear weapons and other weapons of mass destruction by banning countries from placing them…
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Nuclear Test-Ban Treaty…United Kingdom that banned all tests of nuclear weapons except those conducted underground.
Read More…United Kingdom that banned all tests of nuclear weapons except those conducted underground.
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Linus PaulingHumanitarian activities of Linus Pauling…stop the atmospheric testing of nuclear weapons. In 1958 they presented an appeal for a test ban to the United Nations in the form of a document signed by 9,235 scientists from 44 countries. Pauling’s sentiments were also promulgated through his book No More War! (1958), a passionate analysis of…
Read More…stop the atmospheric testing of nuclear weapons. In 1958 they presented an appeal for a test ban to the United Nations in the form of a document signed by 9,235 scientists from 44 countries. Pauling’s sentiments were also promulgated through his book No More War! (1958), a passionate analysis of…
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Greenpeacenuclear testing at Amchitka Island in Alaska. The loose-knit organization quickly attracted support from ecologically minded individuals and began undertaking campaigns seeking, among other goals, the protection of endangered whales and seals from hunting, the cessation of the dumping of toxic chemical and radioactive wastes…
Read Morenuclear testing at Amchitka Island in Alaska. The loose-knit organization quickly attracted support from ecologically minded individuals and began undertaking campaigns seeking, among other goals, the protection of endangered whales and seals from hunting, the cessation of the dumping of toxic chemical and radioactive wastes…
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Polynesian cultureContemporary Polynesia…changed when it became a nuclear test site, a process begun in 1962 when France’s former testing ground, Algeria, gained independence. The French government built testing facilities on two uninhabited atolls in the Tuamotu Archipelago: Mururoa and Fangataufa. Over the next three decades, 192 bombs were detonated at those facilities.…
Read More…changed when it became a nuclear test site, a process begun in 1962 when France’s former testing ground, Algeria, gained independence. The French government built testing facilities on two uninhabited atolls in the Tuamotu Archipelago: Mururoa and Fangataufa. Over the next three decades, 192 bombs were detonated at those facilities.…
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French PolynesiaHistory of French Polynesia…the French government had begun testing nuclear weapons on Mururoa, which the territorial assembly ceded to France the following year, along with neighbouring Fangataufa. In response to worldwide pressure the tests were moved underground on Fangataufa in 1975. However, the detonations continued. In the mid-1980s political parties and environmental-protection and…
Read More…the French government had begun testing nuclear weapons on Mururoa, which the territorial assembly ceded to France the following year, along with neighbouring Fangataufa. In response to worldwide pressure the tests were moved underground on Fangataufa in 1975. However, the detonations continued. In the mid-1980s political parties and environmental-protection and…
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Mururoa…of a number of French nuclear weapons tests conducted through the Pacific Experimentation Centre. The first such explosion took place July 3, 1966; after 1975 the tests were conducted underground. France, responding to international concern over fracturing the rock of Mururoa, began to carry out its more powerful blasts under…
Read More…of a number of French nuclear weapons tests conducted through the Pacific Experimentation Centre. The first such explosion took place July 3, 1966; after 1975 the tests were conducted underground. France, responding to international concern over fracturing the rock of Mururoa, began to carry out its more powerful blasts under…
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French PolynesiaEconomy of French Polynesia…military personnel supporting the nuclear testing facilities in the Tuamotus. Logistical support activities on Tahiti and Hao Atoll created additional employment until France declared a moratorium on nuclear testing in 1996. The French government pledged to provide aid for a number of years to compensate for the adjustment. At the…
Read More…military personnel supporting the nuclear testing facilities in the Tuamotus. Logistical support activities on Tahiti and Hao Atoll created additional employment until France declared a moratorium on nuclear testing in 1996. The French government pledged to provide aid for a number of years to compensate for the adjustment. At the…
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nuclear weaponIndia…18, 1974, at the Pokhran test site on the Rajasthan Steppe, India, detonated a nuclear device with a yield later estimated to be less than 5 kilotons. (A figure of 12 kilotons was announced by India at the time.) India characterized the underground test as being for peaceful purposes, adding…
Read More…18, 1974, at the Pokhran test site on the Rajasthan Steppe, India, detonated a nuclear device with a yield later estimated to be less than 5 kilotons. (A figure of 12 kilotons was announced by India at the time.) India characterized the underground test as being for peaceful purposes, adding…
Read More- Johnston Atoll
nuclear weapons tests until 1962. The atoll subsequently became a storage facility for chemical weapons, and it was managed by the Defense Nuclear Agency (now part of the Defense Threat Reduction Agency) from 1974 to 1999, when the U.S. Air Force resumed control. A facility…
Read Morenuclear weapons tests until 1962. The atoll subsequently became a storage facility for chemical weapons, and it was managed by the Defense Nuclear Agency (now part of the Defense Threat Reduction Agency) from 1974 to 1999, when the U.S. Air Force resumed control. A facility…
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KazakhstanAgriculture…Semei—the result of Soviet weapons testing—has hindered agricultural development in the northeast.
Read More…Semei—the result of Soviet weapons testing—has hindered agricultural development in the northeast.
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KazakhstanHealth and welfare…almost one million people to nuclear weapons testing. Birth defects, cancer, and other illnesses related to radiation poisoning occur with unusual frequency among people in the region. These severe health hazards led the cultural and medical intelligentsia of Kazakhstan to organize mass demonstrations to protest the continued poisoning of Kazakhstan…
Read More…almost one million people to nuclear weapons testing. Birth defects, cancer, and other illnesses related to radiation poisoning occur with unusual frequency among people in the region. These severe health hazards led the cultural and medical intelligentsia of Kazakhstan to organize mass demonstrations to protest the continued poisoning of Kazakhstan…
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Kiritimati Atoll…was an operations base for nuclear weapons tests by the British in 1957–58 and by the United States in 1962. Its position near the Equator made its surrounding waters a favoured site for sea launches of Earth satellites beginning in the late 1990s. Kiritimati was designated a wildlife sanctuary in…
Read More…was an operations base for nuclear weapons tests by the British in 1957–58 and by the United States in 1962. Its position near the Equator made its surrounding waters a favoured site for sea launches of Earth satellites beginning in the late 1990s. Kiritimati was designated a wildlife sanctuary in…
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Bikini…peacetime atomic explosions conducted for experimental purposes by the United States between 1946 and 1958.
Read More…peacetime atomic explosions conducted for experimental purposes by the United States between 1946 and 1958.
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Micronesian cultureContemporary Micronesia…the world—the United States exploded atomic bombs over the Bikini and Enewetak atolls in the Marshall Islands. The first U.S. tests, code-named Able and Baker, occurred as part of a program known as Operation Crossroads. The target of the operation comprised some 90 ships that were anchored for this purpose…
Read More…the world—the United States exploded atomic bombs over the Bikini and Enewetak atolls in the Marshall Islands. The first U.S. tests, code-named Able and Baker, occurred as part of a program known as Operation Crossroads. The target of the operation comprised some 90 ships that were anchored for this purpose…
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Marshall IslandsHistory of the Marshall Islands…Enewetak served as an official testing ground for U.S. nuclear bombs (1946–58). The tests stopped in 1958 and cleanup efforts began in the late 1960s. During the trial resettlement of the Bikinians, however, their atoll was found to be too contaminated for permanent habitation, and by the late 1970s the…
Read More…Enewetak served as an official testing ground for U.S. nuclear bombs (1946–58). The tests stopped in 1958 and cleanup efforts began in the late 1960s. During the trial resettlement of the Bikinians, however, their atoll was found to be too contaminated for permanent habitation, and by the late 1970s the…
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Enewetak…designated, with Bikini atoll, a testing ground for atomic weapons. Tests were held in 1948, 1951, 1952, 1954, and 1956. In 1980, after the island’s contaminated topsoil was removed, Enewetak was declared decontaminated, and its people were given an opportunity to return. Their first crops grown were found to be…
Read More…designated, with Bikini atoll, a testing ground for atomic weapons. Tests were held in 1948, 1951, 1952, 1954, and 1956. In 1980, after the island’s contaminated topsoil was removed, Enewetak was declared decontaminated, and its people were given an opportunity to return. Their first crops grown were found to be…
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Las VegasEmergence of the contemporary city…1950s and ’60s for the nuclear weapons tests conducted at the federal government’s Nevada Test Site, some 65 miles (105 km) from Las Vegas. At first the local populace responded favorably to these events, which could easily be seen by city dwellers; for a time, the atomic bomb’s mushroom cloud…
Read More…1950s and ’60s for the nuclear weapons tests conducted at the federal government’s Nevada Test Site, some 65 miles (105 km) from Las Vegas. At first the local populace responded favorably to these events, which could easily be seen by city dwellers; for a time, the atomic bomb’s mushroom cloud…
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North KoreaNuclear ambitions…conducted another, more powerful underground nuclear test in May 2009, again near Kilju.
Read More…conducted another, more powerful underground nuclear test in May 2009, again near Kilju.
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nuclear weaponNorth Korea…North Korea conducted an underground nuclear test in its northeastern Hamgyŏng Mountains. Western experts estimated the yield as approximately one kiloton, much lower than the initial tests of the other nuclear powers. Chinese officials said that Pyongyang informed them in advance that they planned for a test of four kilotons.…
Read More…North Korea conducted an underground nuclear test in its northeastern Hamgyŏng Mountains. Western experts estimated the yield as approximately one kiloton, much lower than the initial tests of the other nuclear powers. Chinese officials said that Pyongyang informed them in advance that they planned for a test of four kilotons.…
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nuclear weaponPakistan…response to the Indian nuclear tests of May 1998, Pakistan claimed that it had successfully detonated five nuclear devices on May 28 in the Ros Koh Hills in the province of Balochistan and a sixth device two days later at a site 100 km (60 miles) to the southwest. As…
Read More…response to the Indian nuclear tests of May 1998, Pakistan claimed that it had successfully detonated five nuclear devices on May 28 in the Ros Koh Hills in the province of Balochistan and a sixth device two days later at a site 100 km (60 miles) to the southwest. As…
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PakistanContinuing challenges: conflict, a stalled economy, and nuclear testsNews of the nuclear tests sent distress signals throughout the world, and concerns only intensified with Pakistan’s growing instability and the likelihood that nuclear weapons, technology, or materials could be transferred, sold, or leaked to other countries or groups (indeed, in 2004 Abdal Qadir Khan, the head of…
Read MoreNews of the nuclear tests sent distress signals throughout the world, and concerns only intensified with Pakistan’s growing instability and the likelihood that nuclear weapons, technology, or materials could be transferred, sold, or leaked to other countries or groups (indeed, in 2004 Abdal Qadir Khan, the head of…
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