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James Edward Zimmerman
James Edward Zimmerman (February 19, 1923 – August 4, 1999) was born in Lantry, South Dakota. He was coinventorof the radio-frequency superconducting quantum interference device (SQUID) and he is credited with coining the term. Career * Westinghouse Research Laboratory, Pittsburgh Pennsylvania - 1943 – ?? * Smithsonian Institution, 1953 – 1955 * Ford Motor Company, Scientific Laboratory in Dearborn, Michigan, 1955 – 1969 * SHE (later BTi, then 4-D Neuroimaging), Founder 1969 – 1970 * National Bureau of Standards, 1970 – 1985 While at NIST, Zimmerman introduced two important innovations in SQUID magnetometry: * Fractional-turn SQUID, improving the coupling efficiency * SQUID gradiometer, improving sensitivity to nearby fields In addition, in the late 1970s and early 1980s, he also gave a major contribution to the development of low-power closed-cycle Stirling refrigerators, to reach temperatures in the range 4K - 8K with the purpose of cooling ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lantry, South Dakota
Lantry is an unincorporated community and a census-designated place (CDP) in Dewey County, South Dakota, United States. The population of the CDP was 33 at the 2020 census. According to the Federal Writers' Project, the origin of the name Lantry is obscure. Demographics Education It is in the Eagle Butte School District, which jointly operates Cheyenne-Eagle Butte School with the Bureau of Indian Education The Bureau of Indian Education (BIE), headquartered in the Main Interior Building in Washington, D.C., and formerly known as the Office of Indian Education Programs (OIEP), is a division of the U.S. Department of the Interior under the Assistant S ... (BIE). References Unincorporated communities in Dewey County, South Dakota Unincorporated communities in South Dakota {{SouthDakota-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vacuum Flask
A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that greatly lengthens the time over which its contents remain hotter or cooler than the flask's surroundings. Invented by Sir James Dewar in 1892, the vacuum flask consists of two flasks, placed one within the other and joined at the neck. The gap between the two flasks is partially evacuated of air, creating a near-vacuum which significantly reduces heat transfer by conduction or convection. When used to hold cold liquids, this also virtually eliminates condensation on the outside of the flask. Vacuum flasks are used domestically to keep beverages hot or cold for extended periods of time, and for keeping cooked food hot. They are also used for thermal cooking. Vacuum flasks are also used for many purposes in industry. History The vacuum flask was designed and invented by Scottish scientist Sir James Dewar in 1892 as a result of his research in the field of cryogenics ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1923 Births
Nineteen or 19 may refer to: * 19 (number), the natural number following 18 and preceding 20 * one of the years 19 BC, AD 19, 1919, 2019 Films * ''19'' (film), a 2001 Japanese film * ''Nineteen'' (film), a 1987 science fiction film Music * 19 (band), a Japanese pop music duo Albums * ''19'' (Adele album), 2008 * ''19'', a 2003 album by Alsou * ''19'', a 2006 album by Evan Yo * ''19'', a 2018 album by MHD * ''19'', one half of the double album ''63/19'' by Kool A.D. * ''Number Nineteen'', a 1971 album by American jazz pianist Mal Waldron * ''XIX'' (EP), a 2019 EP by 1the9 Songs * "19" (song), a 1985 song by British musician Paul Hardcastle. * "Nineteen", a song by Bad4Good from the 1992 album '' Refugee'' * "Nineteen", a song by Karma to Burn from the 2001 album ''Almost Heathen''. * "Nineteen" (song), a 2007 song by American singer Billy Ray Cyrus. * "Nineteen", a song by Tegan and Sara from the 2007 album '' The Con''. * "XIX" (song), a 2014 song by Slipk ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
David Cohen (physicist)
David Cohen made many of the first pioneering measurements in the area of biomagnetism (magnetic fields produced by the body), although he was initially trained as a nuclear physicist. Early life and education Cohen was born of immigrant parents in Winnipeg, Manitoba, Canada. He was raised there and earned a B.A. degree at the University of Manitoba. Then, he attended graduate school at the University of California, Berkeley, where he gained a Ph.D. in experimental nuclear physics. Career Working in this area, and using large magnets, he became interested in the other extreme; this was the measurement of very weak magnetic fields, which for example might be produced by the weak natural currents in the human body. In 1963, he proposed a method using a magnetically shielded room to keep out external magnetic disturbances, as in radiation shielding in nuclear experiments. At that time others reported the first biomagnetic measurement, where the MCG (''magnetocardiogram'', the magneti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Samuel Wesley Stratton Award
The Samuel Wesley Stratton Award has been annually presented by the National Institute of Standards and Technology (NIST, then NBS) since 1962 for "an unusually significant research contribution to science or engineering that merits the acclaim of the scientific world and supports NIST’s mission objectives". The award was named after first director of NIST, then NBS, Samuel Wesley Stratton. The award is considered NIST’s highest award for fundamental research. Recipients * 1971 John L. Hall * 1973 Marilyn E. Jacox * 1978 John Yates (chemist) and Theodore E. Madey * 1987 William Daniel Phillips * 1993 J. Michael Rowe and Joh J. Rush * 1994 Richard D. Leapman, Dale E. Newbury * 1995 Eric A. Cornell * 1996 John M. Martinis * 1997 Wen-Li Wu * 1998 William F. Egelhoff, Jr. * 1999 David B. Newell, Richard L. Steiner, Edwin R. Williams * 2000 Robert D. McMichael (Physicist, Materials Science and Engineering Laboratory) "for several breakthroughs in the design of thin-film magneti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carnegie Institute Of Technology
Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania. One of its predecessors was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools; it became the Carnegie Institute of Technology in 1912 and began granting four-year degrees in the same year. In 1967, the Carnegie Institute of Technology merged with the Mellon Institute of Industrial Research, founded in 1913 by Andrew Mellon and Richard B. Mellon and formerly a part of the University of Pittsburgh. Carnegie Mellon University has operated as a single institution since the merger. The university consists of seven colleges and independent schools: Carnegie Mellon College of Engineering, The College of Engineering, Carnegie Mellon College of Fine Arts, College of Fine Arts, Dietrich College of Humanities and Social Sciences, Mellon College of Science, Tepper School of Business, Heinz College, Heinz College of Information Systems and Public Policy, and the Carnegie Mell ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Dakota School Of Mines And Technology
The South Dakota School of Mines & Technology (South Dakota Mines, SD Mines, or SDSM&T) is a public university in Rapid City, South Dakota. It is governed by the South Dakota Board of Regents and was founded in 1885. South Dakota Mines offers bachelor’s, master’s, and doctoral degrees. History The cornerstone of the first School of Mines (then known as the Dakota School of Mines) building was dedicated on August 19, 1885, with the first classes being held February 21, 1887. John W. Hancher received the first bachelor of science degree at the first commencement on May 31, 1888. The school became known as the South Dakota School of Mines in 1889 after admission of South Dakota as a state to the United States. The School of Mines presented exhibits during the 1904 World's Fair and the first licensed radio station in the state of South Dakota was established on campus in December 1911, a full decade before WCAT (the precursor the current campus station KTEQ-FM). The first "M-Day ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pulse Tube Cryocooler
The pulse tube refrigerator (PTR) or pulse tube cryocooler is a developing technology that emerged largely in the early 1980s with a series of other innovations in the broader field of thermoacoustics. In contrast with other cryocoolers (e.g. Stirling cryocooler and GM-refrigerators), this cryocooler can be made without moving parts in the low temperature part of the device, making the cooler suitable for a wide variety of applications. Uses Pulse tube cryocoolers are used in industrial applications such as semiconductor fabrication and in military applications such as for the cooling of infrared sensors. Pulse tubes are also being developed for cooling of astronomical detectors where liquid cryogens are typically used, such as the Atacama Cosmology Telescope or the Qubic experiment (an interferometer for cosmology studies). PTRs are used as precoolers of dilution refrigerators. Pulse tubes are particularly useful in space-based telescopes such as the James Webb Space Telesco ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cryocooler
A refrigerator designed to reach cryogenic temperatures (below ) is often called a cryocooler. The term is most often used for smaller systems, typically table-top size, with input powers less than about 20 kW. Some can have input powers as low as 2–3 W. Large systems, such as those used for cooling the superconducting magnets in particle accelerators are more often called cryogenic refrigerators. Their input powers can be as high as 1 MW. In most cases cryocoolers use a cryogenic fluid as the working substance and employ moving parts to cycle the fluid around a thermodynamic cycle. The fluid is typically compressed at room temperature, precooled in a heat exchanger, then expanded at some low temperature. The returning low-pressure fluid passes through the heat exchanger to precool the high-pressure fluid before entering the compressor intake. The cycle is then repeated. __TOC__ Ideal heat exchangers and regenerators Heat exchangers are important components of all cry ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liquid Helium
Liquid helium is a physical state of helium at very low temperatures at standard atmospheric pressures. Liquid helium may show superfluidity. At standard pressure, the chemical element helium exists in a liquid form only at the extremely low temperature of . Its boiling point and critical point depend on which isotope of helium is present: the common isotope helium-4 or the rare isotope helium-3. These are the only two stable isotopes of helium. See the table below for the values of these physical quantities. The density of liquid helium-4 at its boiling point and a pressure of one atmosphere (101.3 kilopascals) is about , or about one-eighth the density of liquid water. Liquefaction Helium was first liquefied on July 10, 1908, by the Dutch physicist Heike Kamerlingh Onnes at the University of Leiden in the Netherlands. At that time, helium-3 was unknown because the mass spectrometer had not yet been invented. In more recent decades, liquid helium has been used as a cryogenic ref ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Superconducting
Superconductivity is a set of physical properties observed in certain materials where Electrical resistance and conductance, electrical resistance vanishes and magnetic field, magnetic flux fields are expelled from the material. Any material exhibiting these properties is a superconductor. Unlike an ordinary metallic electrical conductor, conductor, whose resistance decreases gradually as its temperature is lowered even down to near absolute zero, a superconductor has a characteristic Phase transition, critical temperature below which the resistance drops abruptly to zero. An electric current through a loop of superconducting wire can persist indefinitely with no power source. The superconductivity phenomenon was discovered in 1911 by Dutch physicist Heike Kamerlingh Onnes. Like ferromagnetism and atomic spectral lines, superconductivity is a phenomenon which can only be explained by quantum mechanics. It is characterized by the Meissner effect, the complete ejection of magne ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
