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Ernest Titterton
Sir Ernest William Titterton (4 March 1916 – 8 February 1990) was a British nuclear physicist. A graduate of the University of Birmingham, Titterton worked in a research position under Mark Oliphant, who recruited him to work on radar for the British Admiralty during the first part of the Second World War. In 1943, he joined the Manhattan Project's Los Alamos Laboratory, where he helped develop the first atomic bombs. He eventually became one of the laboratory's group leaders. He participated in the Operation Crossroads nuclear tests at the Bikini Atoll in 1946, where he performed the countdown for both tests. With the passage of the Atomic Energy Act of 1946, known as the McMahon Act, all British government employees had to leave. He was the last member of the British Mission to do so, in April 1947. Returning to England, Titterton joined the Atomic Energy Research Establishment in Harwell, Oxfordshire, heading a group responsible for research with nuclear emulsion ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tamworth, Staffordshire
Tamworth (, ) is a market town and borough in Staffordshire, England, north-east of Birmingham. The town borders North Warwickshire to the east and north, Lichfield to the north, south-west and west. The town takes its name from the River Tame, which flows through it. The population of Tamworth borough () was . The wider urban area had a population of 81,964. Tamworth was the principal centre of royal power of the Anglo-Saxon Kingdom of Mercia during the 8th and 9th centuries. It hosts a simple but elevated 12th century castle, a well-preserved medieval church (the Church of St Editha) and a Moat House. Tamworth was historically divided between Warwickshire and Staffordshire until 1889, when the town was placed entirely in Staffordshire. The town's industries include logistics, engineering, clothing, brick, tile and paper manufacture. Until 2001 one of its factories was Reliant, which produced the Reliant Robin three-wheeler car and the Reliant Scimitar sports car. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Contribution To The Manhattan Project
Britain contributed to the Manhattan Project by helping initiate the effort to build the first atomic bombs in the United States during World War II, and helped carry it through to completion in August 1945 by supplying crucial expertise. Following the discovery of nuclear fission in uranium, scientists Rudolf Peierls and Otto Frisch at the University of Birmingham calculated, in March 1940, that the critical mass of a metallic sphere of pure uranium-235 was as little as , and would explode with the power of thousands of tons of dynamite. The Frisch–Peierls memorandum prompted Britain to create an atomic bomb project, known as Tube Alloys. Mark Oliphant, an Australian physicist working in Britain, was instrumental in making the results of the British MAUD Report known in the United States in 1941 by a visit in person. Initially the British project was larger and more advanced, but after the United States entered the war, the American project soon outstripped and dwarfed its ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Church Of St Editha, Tamworth
The Church of St Editha is an Anglican parish church and Grade I listed building in Tamworth, Staffordshire, England. History The church of St. Editha is the largest parish church in Staffordshire. Most of the church is mid- to late-14th-century and 15th-century work with some 19th-century additions. The present building stands upon the ground where successive churches have stood since the eighth century. The first church was destroyed, along with the town, by the Danes in 874 and it was not until the time of Æthelflæd that a second church arose. The Danes ruined this church in 943 and it was King Edgar who re-founded it around 963. Editha was probably King Edgar's aunt who died in the 960s and was canonized shortly after for her life of devotion and piety and then made the Patron Saint of the now collegiate church.G C Baugh et al (1970)"Colleges: Tamworth, St Edith" in ''A History of the County of Stafford: Volume 3'', ed. M W Greenslade and R B Pugh (London, Victoria C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australian Academy Of Science
The Australian Academy of Science was founded in 1954 by a group of distinguished Australians, including Australian Fellows of the Royal Society of London. The first president was Sir Mark Oliphant. The academy is modelled after the Royal Society and operates under a Royal Charter; as such, it is an independent body, but it has government endorsement. The Academy Secretariat is in Canberra, at the Shine Dome. The objectives of the academy are to promote science and science education through a wide range of activities. It has defined four major program areas: :* Recognition of outstanding contributions to science :* Education and public awareness :* Science policy :* International relations The academy also runs the 22 National Committees for Science which provide a forum to discuss issues relevant to all the scientific disciplines in Australia. Origins The Australian National Research Council (ANRC) was established in 1919 for the purpose of representing Australia on the In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuclear Power In Australia
The prospect of nuclear power in Australia has been a topic of public debate since the 1950s. Australia has one nuclear plant in Lucas Heights, Sydney, but is not used to produce nuclear power, but instead is used to produce medical radioisotopes. It also produces material or carries out analyses for the mining industry, for forensic purposes and for research. Australia hosts 33% of the world's uranium deposits and is the world's third largest producer of uranium after Kazakhstan and Canada. Australia's extensive low-cost coal and natural gas reserves have historically been used as strong arguments for avoiding nuclear power. The Liberal Party has advocated for the development of nuclear power and nuclear industries in Australia since the 1950s. An anti-nuclear movement developed in Australia in the 1970s, initially focusing on prohibiting nuclear weapons testing and limiting the development of uranium mining and export. The movement also challenged the environmental and econom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
McClelland Royal Commission
The McClelland Royal Commission or Royal Commission into British nuclear tests in Australia was an inquiry by the Australian government in 1984–1985 to investigate the conduct of the British in its use, with the then Australian government's permission, of Australian territory and soldiers for testing nuclear weapons. It was chaired by Jim McClelland. Background In September 1950, the then UK Prime Minister, Clement Attlee, requested via a secure telegraph, to Australia's Prime Minister Sir Robert Menzies, to conduct a series of atomic tests at the Monte Bello Islands off the coast of Western Australia. Over the next thirteen years, twelve major British nuclear tests would occur on Australian territory, along with thirty "minor" atomic trials testing sub-systems. The last Vixen B trial occurred in 1963 whereupon the United Kingdom moved its testing operations to the United States. The Royal Commission into nuclear tests arose out of a public outcry, led by media reports, ov ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Nuclear Tests At Maralinga
Between 1956 and 1963, the United Kingdom conducted seven nuclear tests at the Maralinga site in South Australia, part of the Woomera Prohibited Area about north west of Adelaide. Two major test series were conducted: Operation Buffalo in 1956 and Operation Antler the following year. Approximate weapon yields ranged from . The Maralinga site was also used for minor trials, tests of nuclear weapons components not involving nuclear explosions. Kittens were trials of neutron initiators; Rats and Tims measured how the fissile core of a nuclear weapon was compressed by the high explosive shock wave; and Vixens investigated the effects of fire or non-nuclear explosions on atomic weapons. The minor trials, numbering around 550, ultimately generated far more contamination than the major tests. Operation Buffalo consisted of four tests; One Tree () and Breakaway () were detonated on towers, Marcoo () at ground level, and the Kite () was released by a Royal Air Force (RAF) Vickers Valia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aldermaston
Aldermaston is a village and civil parish in Berkshire, England. In the 2011 Census, the parish had a population of 1015. The village is in the Kennet Valley and bounds Hampshire to the south. It is approximately from Newbury, Basingstoke, and Reading and is from London. Aldermaston may have been inhabited as early as 1690 BCE; a number of postholes and remains of cereal grains have been found in the area. Written history of the village is traced back at least as far as the 9th century, when the ''Anglo-Saxon Chronicles'' showed that the Ealdorman of Berkshire had his country estate in the village. The manor of Aldermaston was established by the early 11th century, when the village was given to the Achard family by Henry I; the manor is documented in the Domesday Book of 1086. St Mary the Virgin Church was established in the 13th century, and some of the original Norman architecture remains in the building's structure. The last resident Lord of the Manor, Charles Keyse ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atomic Weapons Research Establishment
The Atomic Weapons Establishment (AWE) is a United Kingdom Ministry of Defence research facility responsible for the design, manufacture and support of warheads for the UK's nuclear weapons. It is the successor to the Atomic Weapons Research Establishment (AWRE) with its main site on the former RAF Aldermaston and has major facilities at Burghfield, Blacknest and RNAD Coulport. AWE plc, responsible for the day-to-day operations of AWE, is owned by the Ministry of Defence and operated as a non-departmental public body. Until June 2021, AWE plc was owned by a consortium of Jacobs Engineering Group, Lockheed Martin UK and Serco through AWE Management Ltd, which held a 25‑year contract (until March 2025) to operate AWE, although all the sites remained owned by the Government of the United Kingdom which had a golden share in AWE plc. In November 2020, it was announced that the Ministry of Defence had triggered a contractual break point and would take ownership of AWE Plc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gamma Ray
A gamma ray, also known as gamma radiation (symbol γ or \gamma), is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves, typically shorter than those of X-rays. With frequencies above 30 exahertz (), it imparts the highest photon energy. Paul Villard, a French chemist and physicist, discovered gamma radiation in 1900 while studying radiation emitted by radium. In 1903, Ernest Rutherford named this radiation ''gamma rays'' based on their relatively strong penetration of matter; in 1900 he had already named two less penetrating types of decay radiation (discovered by Henri Becquerel) alpha rays and beta rays in ascending order of penetrating power. Gamma rays from radioactive decay are in the energy range from a few kiloelectronvolts (keV) to approximately 8 megaelectronvolts (MeV), corresponding to the typical energy levels in nuclei with reasonably long lif ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Photodisintegration
Photodisintegration (also called phototransmutation, or a photonuclear reaction) is a nuclear process in which an atomic nucleus absorbs a high-energy gamma ray, enters an excited state, and immediately decays by emitting a subatomic particle. The incoming gamma ray effectively knocks one or more neutrons, protons, or an alpha particle out of the nucleus. The reactions are called (γ,n), (γ,p), and (γ,α). Photodisintegration is endothermic (energy absorbing) for atomic nuclei lighter than iron and sometimes exothermic (energy releasing) for atomic nuclei heavier than iron. Photodisintegration is responsible for the nucleosynthesis of at least some heavy, proton-rich elements via the p-process in supernovae. This causes the iron to further fuse into the heavier elements. Photodisintegration of deuterium A photon carrying 2.22 MeV or more energy can photodisintegrate an atom of deuterium: : James Chadwick and Maurice Goldhaber used this reaction to measure the proton-neutron mass ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ternary Fission
Ternary fission is a comparatively rare (0.2 to 0.4% of events) type of nuclear fission in which three charged products are produced rather than two. As in other nuclear fission processes, other uncharged particles such as multiple neutrons and gamma rays are produced in ternary fission. Ternary fission may happen during neutron-induced fission or in spontaneous fission (the type of radioactive decay). About 25% more ternary fission happens in spontaneous fission compared to the same fission system formed after thermal neutron capture, illustrating that these processes remain physically slightly different, even after the absorption of the neutron, possibly because of the extra energy present in the nuclear reaction system of thermal neutron-induced fission. Quaternary fission, at 1 per 1000 million fissions, is also known (see below). Products The most common nuclear fission process is "binary fission." It produces two charged asymmetrical fission products with maximally pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
