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Albert Wattenberg
Albert Wattenberg (April 13, 1917 – June 27, 2007), was an American experimental physicist. During World War II, he was with the Manhattan Project's Metallurgical Laboratory at the University of Chicago. He was a member of the team that built Chicago Pile-1, the world's first artificial nuclear reactor, and was one of those present on December 2, 1942, when it achieved criticality. In July 1945, he was one of the signatories of the Szilard petition. After the war he received his doctorate, and became a researcher at the Argonne National Laboratory from 1947 to 1950, at Massachusetts Institute of Technology from 1951 to 1958, and at University of Illinois at Urbana–Champaign from 1958 to 1986, where he pursued studies related to the atomic nucleus. Early life Albert Wattenberg was born in New York City, New York, on April 13, 1917, the son of Louis and Bella Wattenberg. He had an older brother William (Bill), who helped pioneer the field of educational psychology, as well ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chicago Pile-1
Chicago Pile-1 (CP-1) was the world's first artificial nuclear reactor. On 2 December 1942, the first human-made self-sustaining nuclear chain reaction was initiated in CP-1, during an experiment led by Enrico Fermi. The secret development of the reactor was the first major technical achievement for the Manhattan Project, the Allied effort to create atomic bombs during World War II. Developed by the Metallurgical Laboratory at the University of Chicago, CP-1 was built under the west viewing stands of the original Stagg Field. Although the project's civilian and military leaders had misgivings about the possibility of a disastrous runaway reaction, they trusted Fermi's safety calculations and decided they could carry out the experiment in a densely populated area. Fermi described the reactor as "a crude pile of black bricks and wooden timbers". The reactor was assembled in November 1942, by a team that included Fermi, Leo Szilard (who had previously formulated an idea for no ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuclear Fission
Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei. The fission process often produces gamma photons, and releases a very large amount of energy even by the energetic standards of radioactive decay. Nuclear fission of heavy elements was discovered on Monday 19 December 1938, by German chemist Otto Hahn and his assistant Fritz Strassmann in cooperation with Austrian-Swedish physicist Lise Meitner. Hahn understood that a "burst" of the atomic nuclei had occurred. Meitner explained it theoretically in January 1939 along with her nephew Otto Robert Frisch. Frisch named the process by analogy with biological fission of living cells. For heavy nuclides, it is an exothermic reaction which can release large amounts of energy both as electromagnetic radiation and as kinetic energy of the fragments (heating the bulk material where fission takes place). Like nuclear fusion, for fission to produce energy, the total binding energy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Enrico Fermi
Enrico Fermi (; 29 September 1901 – 28 November 1954) was an Italian (later naturalized American) physicist and the creator of the world's first nuclear reactor, the Chicago Pile-1. He has been called the "architect of the nuclear age" and the "architect of the atomic bomb". He was one of very few physicists to excel in both theoretical physics and experimental physics. Fermi was awarded the 1938 Nobel Prize in Physics for his work on induced radioactivity by neutron bombardment and for the discovery of transuranium elements. With his colleagues, Fermi filed several patents related to the use of nuclear power, all of which were taken over by the US government. He made significant contributions to the development of statistical mechanics, Quantum mechanics, quantum theory, and nuclear physics, nuclear and particle physics. Fermi's first major contribution involved the field of statistical mechanics. After Wolfgang Pauli formulated his Pauli exclusion principle, exclusion pri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
US Steel
United States Steel Corporation, more commonly known as U.S. Steel, is an American integrated steel producer headquartered in Pittsburgh, Pennsylvania, with production operations primarily in the United States of America and in several countries across Central Europe. It was the 8th largest steel producer in the world in 2008. By 2018, the company was the world's 38th-largest steel producer and the second-largest in the United States behind Nucor Corporation. Though renamed USX Corporation in 1986, the company was renamed United States Steel in 2001 after spinning off its energy business, including Marathon Oil, and other assets from its core steel concern. History Formation J. P. Morgan formed U.S. Steel on March 2, 1901 (incorporated on February 25), by financing the merger of Andrew Carnegie's Carnegie Steel Company with Elbert H. Gary's Federal Steel Company and William Henry "Judge" Moore's National Steel Company for $492 million ($ billion today). At one time, U.S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bourbon Whiskey
Bourbon () is a type of barrel-aged American whiskey made primarily from corn. The name derives from the French Bourbon dynasty, although the precise source of inspiration is uncertain; contenders include Bourbon County in Kentucky and Bourbon Street in New Orleans, both of which are named after the dynasty.Kiniry, Laura.Where Bourbon Really Got Its Name and More Tips on America's Native Spirit. ''Smithsonian.com''. June 13, 2013. The name bourbon was not applied until the 1850s, and the Kentucky etymology was not advanced until the 1870s. Bourbon has been distilled since the 18th century. Although bourbon may be made anywhere in the United States, it is strongly associated with the American South in general, and with Kentucky in particular. As of 2014, distillers' wholesale market revenue for bourbon sold within the U.S. was about $2.7 billion, and bourbon made up about two thirds of the $1.6 billion of U.S. exports of distilled spirits. According to the Distilled Spirits C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Schenley Industries
Schenley Industries was a liquor company based in New York City with headquarters in the Empire State Building and a distillery in Lawrenceburg, Indiana. It owned several brands of Bourbon whiskey, including Schenley, The Old Quaker Company, Cream of Kentucky, Golden Wedding Rye, I.W. Harper, and James E. Pepper. Schenley Industries was also the owner of the producer of Cruzan Rum. It also owned a controlling interest in Blatz beer and made a Canadian whisky called Schenley Reserve, also called Schenley Black Label. It was the only liquor available to submarine officers at Midway in World War II, where it was held in low regard and known as "Schenley's Black Death". It also imported Dewar's White Label Scotch. History Schenley Products Company was organized in the 1920s by Lewis Rosenstiel. The company bought numerous distillers, including one in Schenley, Pennsylvania, and acquired a license to produce medicinal whisky. (The United States government had authorized six companies ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spectroscopy
Spectroscopy is the field of study that measures and interprets the electromagnetic spectra that result from the interaction between electromagnetic radiation and matter as a function of the wavelength or frequency of the radiation. Matter waves and acoustic waves can also be considered forms of radiative energy, and recently gravitational waves have been associated with a spectral signature in the context of the Laser Interferometer Gravitational-Wave Observatory (LIGO) In simpler terms, spectroscopy is the precise study of color as generalized from visible light to all bands of the electromagnetic spectrum. Historically, spectroscopy originated as the study of the wavelength dependence of the absorption by gas phase matter of visible light dispersed by a prism. Spectroscopy, primarily in the electromagnetic spectrum, is a fundamental exploratory tool in the fields of astronomy, chemistry, materials science, and physics, allowing the composition, physical structure and e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Master Of Arts
A Master of Arts ( la, Magister Artium or ''Artium Magister''; abbreviated MA, M.A., AM, or A.M.) is the holder of a master's degree awarded by universities in many countries. The degree is usually contrasted with that of Master of Science. Those admitted to the degree have typically studied subjects within the scope of the humanities and social sciences, such as history, literature, languages, linguistics, public administration, political science, communication studies, law or diplomacy; however, different universities have different conventions and may also offer the degree for fields typically considered within the natural sciences and mathematics. The degree can be conferred in respect of completing courses and passing examinations, research, or a combination of the two. The degree of Master of Arts traces its origins to the teaching license or of the University of Paris, designed to produce "masters" who were graduate teachers of their subjects. Europe Czech Republic a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DeWitt Clinton High School
, motto_translation = Without Work Nothing Is Accomplished , image = DeWitt Clinton High School front entrance IMG 7441 HLG.jpg , seal_image = File:Clinton News.JPG , seal_size = 124px , seal_alt = , established = , type = Public high school , principal = Pierre Orbe , teaching_staff = 87.80 ( FTE) (2017–18) , enrollment = 1,228 (2017–18) , us_nces_school_id = , ratio = 13.99 (2017–18) , grades = 9– 12 , team name = Governors , colors = Red black , streetaddress = 100 West Mosholu Parkway South , city = The Bronx , zipcode = 10468 , state = New York , country = USA , newspaper = The Clinton News , yearbook = Clintonian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The New York Times
''The New York Times'' (''the Times'', ''NYT'', or the Gray Lady) is a daily newspaper based in New York City with a worldwide readership reported in 2020 to comprise a declining 840,000 paid print subscribers, and a growing 6 million paid digital subscribers. It also is a producer of popular podcasts such as '' The Daily''. Founded in 1851 by Henry Jarvis Raymond and George Jones, it was initially published by Raymond, Jones & Company. The ''Times'' has won 132 Pulitzer Prizes, the most of any newspaper, and has long been regarded as a national " newspaper of record". For print it is ranked 18th in the world by circulation and 3rd in the U.S. The paper is owned by the New York Times Company, which is publicly traded. It has been governed by the Sulzberger family since 1896, through a dual-class share structure after its shares became publicly traded. A. G. Sulzberger, the paper's publisher and the company's chairman, is the fifth generation of the family to head the pa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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