|
Simon Connell
Simon Henry Connell is a professor of physics at the University of Johannesburg in South Africa. He is an engineering physicist, a Founding Member of the South African participation in the ATLAS Experiment at CERN, and the Chair of the African Light Source (AfLS) Foundation. Career Simon Henry Connell obtained his Bachelors' degree and PhD (1985 - 1989) in Physics from the University of the Witwatersrand. He continued to work at the University of the Witwatersrand until 2008, when he moved to University of Johannesburg. He is a professor of physics at the University of Johannesburg. He is an engineering physicist who previously worked extensively at the European Synchrotron Radiation Facility (ESRF). He is affiliated with the Faculty of Engineering and the Built Environment in the Department of Mechanical Engineering Science. Connell is a Founding Member of the South African participation in the ATLAS Experiment at CERN. Additionally, he served as the President of the South ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
African Academy Of Sciences
The African Academy of Sciences (AAS) is a non-aligned, non-political, not-for-profit, pan-African learned society formed in 1985. The AAS elects fellows ( FAAS) and affiliates. The AAS also awards the Obasanjo Prize for Scientific Discovery and Technological Innovation every two years to an outstanding scientist who contributed to the development of the continent. History The Academy was founded in 1983 following a proposal presented by entomologist Thomas Odhiambo and Mohamed H.A. Hassan ( The World Academy of Sciences president at the time) at the inaugural meeting of The World Academy of Sciences (TWAS), in Trieste, Italy. Odhiambo led a taskforce on the creation of The Academy, which presented its recommendations at a meeting convened on 10 December 1985. Participants at the meeting unanimously adopted the recommendations, turned the gathering into a General Assembly, and drafted and adopted the Academy's founding constitution, which has since been updated. The 34 p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Undulator
An undulator is an insertion device from high-energy physics and usually part of a larger installation, a synchrotron storage ring, or it may be a component of a free electron laser. It consists of a periodic structure of dipole magnets. These can be permanent magnets or superconducting magnets. The static magnetic field alternates along the length of the undulator with a wavelength \lambda_u. Electrons traversing the periodic magnet structure are forced to undergo oscillations and thus to radiate energy. The radiation produced in an undulator is very intense and concentrated in narrow energy bands in the spectrum. It is also collimated on the orbit plane of the electrons. This radiation is guided through beamlines for experiments in various scientific areas. The undulator strength parameter is: :K=\frac, where ''e'' is the electron charge, ''B'' is the magnetic field, ''\lambda_u'' is the spatial period of the undulator magnets, ''m_'' is the electron rest mass, and ''c'' is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fellows Of The African Academy Of Sciences
{{disambiguation ...
Fellows may refer to Fellow, in plural form. Fellows or Fellowes may also refer to: Places *Fellows, California, USA *Fellows, Wisconsin, ghost town, USA Other uses *Fellows Auctioneers, established in 1876. * Fellowes, Inc., manufacturer of workspace products *Fellows, a partner in the firm of English canal carriers, Fellows Morton & Clayton *Fellows (surname) See also * North Fellows Historic District, listed on the National Register of Historic Places in Wapello County, Iowa *Justice Fellows (other) Justice Fellows may refer to: * Grant Fellows (1865–1929), associate justice of the Michigan Supreme Court * Raymond Fellows (1885–1957), associate justice of the Maine Supreme Judicial Court {{disambiguation, tndis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Living People
Related categories * :Year of birth missing (living people) / :Year of birth unknown * :Date of birth missing (living people) / :Date of birth unknown * :Place of birth missing (living people) / :Place of birth unknown * :Year of death missing / :Year of death unknown * :Date of death missing / :Date of death unknown * :Place of death missing / :Place of death unknown * :Missing middle or first names See also * :Dead people * :Template:L, which generates this category or death years, and birth year and sort keys. : {{DEFAULTSORT:Living people 21st-century people People by status ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Science And Technology Forum
The National Science and Technology Forum (NSTF) is a non-profit company representing South African organisations in the public and private sector with an interest in science, engineering, technology, and innovation. Its aim is to promote science, engineering, and technology, and to engage with related government policies. Established in 1995, the NSTF organizes annual awards for research and development excellence in South Africa. Membership There are more than 100 member organisations in six categories within the NSTF. These include: * Eskom * Federation of Unions of South Africa * Health Department * National Health Laboratory Service * Rand Water * South African Nuclear Energy Corporation * Telecommunication Department Notable award winners Amongst the notable South Africans who have received an award from the NSTF are: * George Ellis * Janice Limson * Johann Lutjeharms * Tshilidzi Marwala Tshilidzi Marwala (born 28 July 1971) is a South African artificial intell ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Africa Association Of The Advancement Of Science
South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþaz'' ("south"), possibly related to the same Proto-Indo-European root that the word ''sun'' derived from. Some languages describe south in the same way, from the fact that it is the direction of the sun at noon (in the Northern Hemisphere), like Latin meridies 'noon, south' (from medius 'middle' + dies 'day', cf English meridional), while others describe south as the right-hand side of the rising sun, like Biblical Hebrew תֵּימָן teiman 'south' from יָמִין yamin 'right', Aramaic תַּימנַא taymna from יָמִין yamin 'right' and Syriac ܬܰܝܡܢܳܐ taymna from ܝܰܡܝܺܢܳܐ yamina (hence the name of Yemen, the land to the south/right of the Levant). Navigation By convention, the ''bottom or down-facing side'' of a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Academy Of Science Of South Africa
The Academy of Science of South Africa (ASSAf) is the national science academy in South Africa. It was started in 1996, and encompasses all fields of scientific work. Its legal foundation is the ''Academy of Science of South Africa Act'', Act 67 of 2001, which came into operation in May 2002. The ASSAf was inaugurated in March 1996 by the former President of South Africa and patron of the academy, Nelson Mandela. In 2021, the academy had 632 members. History For about one century, the national science 'academy' comprised two separate institutions – the Royal Society (from the UK) and the ''Suid-Afrikaanse Akademie vir Wetenskap en Kuns'' (SAAWK). SAAWK had an Afrikaans-language focus and was heavily supported by South African business. Based in Pretoria, it was established in 1909 and was the national academy (the statute was passed in 1950) until democracy in 1994. It was structured in two 'faculties': human and natural sciences, with a journal for each. While it still a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Society Of South Africa
The Royal Society of South Africa is a learned society composed of eminent South African scientists and academics. The society was granted its royal charter by King Edward VII in 1908, nearly a century after Capetonians first began to conceive of a national scholarly society. The 1877 founder and first president of the society was Sir Bartle Frere (1815–1884). Fellows are entitled to the post-nominal letters FRSSAf. History The society has its origins in the South African Institution, dating from 1825. The museum of the South African Institution eventually formed the present South African Museum in Cape Town. In 1877, the South African Philosophical Society was founded. In 1908 the society was granted a royal charter along the lines of that of the Royal Society of London and with the title of the Royal Society of South Africa. In the same year, the ''Transactions of the Royal Society of South Africa'' began to appear, immediately succeeding those of the South African Philosophi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuclear Reactor Core
A nuclear reactor core is the portion of a nuclear reactor containing the nuclear fuel components where the nuclear reactions take place and the heat is generated. Typically, the fuel will be low-enriched uranium contained in thousands of individual fuel pins. The core also contains structural components, the means to both moderate the neutrons and control the reaction, and the means to transfer the heat from the fuel to where it is required, outside the core. Water-moderated reactors Inside the core of a typical pressurized water reactor or boiling water reactor are fuel rods with a diameter of a large gel-type ink pen, each about 4 m long, which are grouped by the hundreds in bundles called "fuel assemblies". Inside each fuel rod, pellets of uranium, or more commonly uranium oxide, are stacked end to end. Also inside the core are control rods, filled with pellets of substances like boron or hafnium or cadmium that readily capture neutrons. When the control rods are low ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neutron
The neutron is a subatomic particle, symbol or , which has a neutral (not positive or negative) charge, and a mass slightly greater than that of a proton. Protons and neutrons constitute the nuclei of atoms. Since protons and neutrons behave similarly within the nucleus, and each has a mass of approximately one atomic mass unit, they are both referred to as nucleons. Their properties and interactions are described by nuclear physics. Protons and neutrons are not elementary particles; each is composed of three quarks. The chemical properties of an atom are mostly determined by the configuration of electrons that orbit the atom's heavy nucleus. The electron configuration is determined by the charge of the nucleus, which is determined by the number of protons, or atomic number. The number of neutrons is the neutron number. Neutrons do not affect the electron configuration, but the sum of atomic and neutron numbers is the mass of the nucleus. Atoms of a chemical element t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monte Carlo Simulation
Monte Carlo methods, or Monte Carlo experiments, are a broad class of computational algorithms that rely on repeated random sampling to obtain numerical results. The underlying concept is to use randomness to solve problems that might be deterministic in principle. They are often used in physical and mathematical problems and are most useful when it is difficult or impossible to use other approaches. Monte Carlo methods are mainly used in three problem classes: optimization, numerical integration, and generating draws from a probability distribution. In physics-related problems, Monte Carlo methods are useful for simulating systems with many coupled degrees of freedom, such as fluids, disordered materials, strongly coupled solids, and cellular structures (see cellular Potts model, interacting particle systems, McKean–Vlasov processes, kinetic models of gases). Other examples include modeling phenomena with significant uncertainty in inputs such as the calculation of ris ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
_Bartle_Frere%2C_1st_Bt_by_Sir_George_Reid.jpg "Click for more on -> Royal Society Of South Africa")
