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Johan Peter Holtsmark
Johan Peter Holtsmark (13 February 1894 – 10 December 1975) was a Norwegian physicist, who studied spectral line broadening and electron scattering. In 1929, while at the Norwegian Institute of Technology, Holtsmark established acoustics research laboratories, focusing on architectural acoustics and sound insulation. Holtsmark was also a consultant for the Norwegian Broadcasting Corporation (NRK) throughout the 1930s. Together with the Swedish physicist Hilding Faxén published Holtsmark a work in 1927 about scattering of electrons in gases. Here they introduced a new, mathematical method based upon partial waves. This is now standard and described in almost every modern book on quantum mechanics. Between 1934 and 1937 he led the construction of a Van de Graaff accelerator at the Norwegian Institute of Technology, which became the first particle accelerator to go into operation in Scandinavia. Holtsmark was one of the founding fathers of CERN and represented Norway to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Asker
Asker ( no, Asker), properly called Askerbygda in Norwegian, is a district and former Municipalities of Norway, municipality in Akershus, Norway. From 2020 it is part of the larger administrative municipality Asker, Viken (also known as Greater Asker) in Viken (county), Viken county, together with the traditional Buskerud districts Røyken and Hurum; Asker proper constitutes the northern fourth and is part of the Greater Oslo Region. The administrative centre was the town of Asker, which remains so for the new larger municipality. Asker was established as a parish in the Middle Ages and as a municipality Formannskapsdistrikt, on 1 January 1838. History Since the Middle Ages, the Asker parish consisted of the later municipalities Asker and Bærum. In the 19th century Bærum became the Vestre Bærum and Østre Bærum parish, and Asker and Bærum were also established as separate municipalities. In 2020, Asker municipality merged with Røyken and Hurum to form Asker, Viken, a la ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electron
The electron ( or ) is a subatomic particle with a negative one elementary electric charge. Electrons belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure. The electron's mass is approximately 1/1836 that of the proton. Quantum mechanical properties of the electron include an intrinsic angular momentum ( spin) of a half-integer value, expressed in units of the reduced Planck constant, . Being fermions, no two electrons can occupy the same quantum state, in accordance with the Pauli exclusion principle. Like all elementary particles, electrons exhibit properties of both particles and waves: They can collide with other particles and can be diffracted like light. The wave properties of electrons are easier to observe with experiments than those of other particles like neutrons and protons because electrons have a lower mass and hence a longer de Broglie wavele ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From Bærum
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From Asker
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1975 Deaths
It was also declared the ''International Women's Year'' by the United Nations and the European Architectural Heritage Year by the Council of Europe. Events January * January 1 - Watergate scandal (United States): John N. Mitchell, H. R. Haldeman and John Ehrlichman are found guilty of the Watergate cover-up. * January 2 ** The Federal Rules of Evidence are approved by the United States Congress. ** Bangladesh revolutionary leader Siraj Sikder is killed by police while in custody. ** A bomb blast at Samastipur, Bihar, India, fatally wounds Lalit Narayan Mishra, Minister of Railways. * January 5 – Tasman Bridge disaster: The Tasman Bridge in Hobart, Tasmania, Australia, is struck by the bulk ore carrier , killing 12 people. * January 7 – OPEC agrees to raise crude oil prices by 10%. * January 10–February 9 – The flight of ''Soyuz 17'' with the crew of Georgy Grechko and Aleksei Gubarev aboard the ''Salyut 4'' space station. * January 15 – Alvor Agreement: Portuga ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1894 Births
Events January–March * January 4 – A military alliance is established between the French Third Republic and the Russian Empire. * January 7 – William Kennedy Dickson receives a patent for motion picture film in the United States. * January 9 – New England Telephone and Telegraph installs the first battery-operated telephone switchboard, in Lexington, Massachusetts Lexington is a suburban town in Middlesex County, Massachusetts, United States. It is 10 miles (16 km) from Downtown Boston. The population was 34,454 as of the 2020 census. The area was originally inhabited by Native Americans, and was firs .... * February 12 ** French anarchist Émile Henry (anarchist), Émile Henry sets off a bomb in a Paris café, killing one person and wounding twenty. ** The barque ''Elisabeth Rickmers'' of Bremerhaven is wrecked at Haurvig, Denmark, but all crew and passengers are saved. * February 15 ** In Korea, peasant unrest erupts in the Donghak Peasant ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lorentz Eldjarn
Lorentz Eldjarn (23 March 1920 – 11 February 2007) was a Norwegian biochemist and medical doctor. He was born in Måsøy, but settled at Haslum. He studied medicine at the University of Oslo and was associated with the Norwegian Radium Hospital. His thesis from 1954 treated metabolism of cystamine and cysteamine Cysteamine is a chemical compound that can be biosynthesized in mammals, including humans, by the degradation of coenzyme A. The intermediate pantetheine is broken down into cysteamine and pantothenic acid. It is the biosynthetic precursor to .... He was a pioneer in the development of diagnostic methods and the use of clinical / chemical laboratories. References 1920 births 2007 deaths People from Måsøy University of Oslo Norwegian oncologists Norwegian biochemists {{biochemist-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carl Semb
Carl Semb (19 August 1895 – 16 July 1971) was an internationally renowned Norwegian surgeon and professor at the University of Oslo. Biography Carl Boye Semb grew up in Oslo, Norway. He was a cand.med. in 1920 and dr.med. in 1929. After eighteen years as a district doctor in Gimsøy and Skjervøy, Semb became chief physician at the surgical ward at Ullevål hospital (1935–65). He was a professor of surgery at the University of Oslo (1951-1965). Semb was chairman of the Norwegian Surgical Society (1940-1947). Semb was President of the Nordic Surgical Society (1955–56). During World War II, Semb engaged in the resistance movement and joined the Milorg. He was a central Milorg leader, from 1941 to 1943, when he had to flee to Sweden. He is particularly noted for his role in the formation of Norwegian police troops in Sweden during World War II. His pioneering initiative resulted in health camps and a vaccination plan for the refugees. After the war, he was Chief of the Nor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Norwegian Society Of Sciences And Letters
The Royal Norwegian Society of Sciences and Letters ( da, Det Kongelige Norske Videnskabers Selskab, DKNVS) is a Norwegian learned society based in Trondheim. It was founded in 1760 and is Norway's oldest scientific and scholarly institution. The society's Protector is King Harald V of Norway. Its membership consists of no more than 435 members elected for life among the country's most prominent scholars and scientists. The society’s Danish name predates both written standards for Norwegian and has remained unchanged after Norway’s independence from Denmark in 1814 and the spelling reforms of the 20th century. History DKNVS was founded in 1760 by the bishop of Nidaros Johan Ernst Gunnerus, headmaster at the Trondheim Cathedral School Gerhard Schøning and Councillor of State Peter Frederik Suhm under the name ''Det Trondhiemske Selskab'' (the Trondheim Society). From 1761 it published academic papers in a series titled ''Skrifter''. It was the northernmost learned society in th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Norwegian Academy Of Science And Letters
The Norwegian Academy of Science and Letters ( no, Det Norske Videnskaps-Akademi, DNVA) is a learned society based in Oslo, Norway. Its purpose is to support the advancement of science and scholarship in Norway. History The Royal Frederick University in Christiania was established in 1811. The idea of a learned society in Christiania surfaced for the first time in 1841. The city of Trondhjem had no university, but had a learned society, the Royal Norwegian Society of Sciences and Letters, established in 1760. The purpose of a learned society in Christiania was to support scientific studies and aid publication of academic papers. The idea of the Humboldt-inspired university, where independent research stood strong, had taken over for the instrumental view of a university as a means to produce civil servants. The city already had societies for specific professions, for instance the Norwegian Medical Society which was founded in 1833. However, these societies were open for both acad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CERN
The European Organization for Nuclear Research, known as CERN (; ; ), is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in a northwestern suburb of Geneva, on the France–Switzerland border. It comprises 23 member states, and Israel (admitted in 2013) is currently the only non-European country holding full membership. CERN is an official United Nations General Assembly observer. The acronym CERN is also used to refer to the laboratory; in 2019, it had 2,660 scientific, technical, and administrative staff members, and hosted about 12,400 users from institutions in more than 70 countries. In 2016, CERN generated 49 petabytes of data. CERN's main function is to provide the particle accelerators and other infrastructure needed for high-energy physics research — consequently, numerous experiments have been constructed at CERN through international collaborations. CERN is the site of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scandinavia
Scandinavia; Sámi languages: /. ( ) is a subregion#Europe, subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, Norway, and Sweden. It can sometimes also refer more narrowly to the Scandinavian Peninsula (which excludes Denmark but includes part of Finland), or more broadly to include all of Finland, Iceland, and the Faroe Islands. The geography of the region is varied, from the Norwegian fjords in the west and Scandinavian mountains covering parts of Norway and Sweden, to the low and flat areas of Denmark in the south, as well as archipelagos and lakes in the east. Most of the population in the region live in the more temperate southern regions, with the northern parts having long, cold, winters. The region became notable during the Viking Age, when Scandinavian peoples participated in large scale raiding, conquest, colonization and trading mostl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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