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Robert S. Shankland
Robert Sherwood Shankland (January 11, 1908 – March 1, 1982) was an American physicist and historian. Biography Robert S. Shankland was an undergraduate at the Case School for Applied Sciences from 1925–1929 and received his master's degree in 1933. He completed his Ph.D. degree in 1935 for work on photon scattering with Arthur Compton at the University of Chicago. His other research included work on the ionosphere and standard frequency regulations from 1929–1930 with the US National Bureau of Standards, and worked in England on sonar for submarine warfare early in World War II. Shankland's report on the Albert A. Michelson's Irvine Ranch experiments was published in 1953. In the British journal ''Nature'', Shankland gave the historical background of how Einstein formulates the first two principles, in 1905, of the special theory of relativity from the Michelson–Morley experiment. Shankland believed that the accepted direct explanation for the Michelson–Morley exper ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Willoughby, Ohio
Willoughby is a city in Lake County, Ohio and is a suburb of Cleveland. The population was 22,268 at the time of the 2010 census. History Willoughby's first permanent settler was David Abbott in 1798, who operated a gristmill. Abbott and his family were said to have had close relations with a band of Indians along the banks of the local river, which the Indians called the "Sha-ga-rin" meaning "Clear Water." This river was later called the Chagrin River, though the origin of the name remains in dispute. In 1835, the village was permanently named "Willoughby" in honor of Westel Willoughby, Jr., a public health official that the founders of a short-lived Medical College, which was based in the city, hoped to attract to the area. Many historical buildings from this period survive to this date, affording the downtown Willoughby area some outstanding specimens of 19th century architecture. In World War I, the U.S. Army chose Willoughby as the site for a chemical weapons plant produ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Albert A
Albert may refer to: Companies * Albert (supermarket), a supermarket chain in the Czech Republic * Albert Heijn, a supermarket chain in the Netherlands * Albert Market, a street market in The Gambia * Albert Productions, a record label * Albert Computers, Inc., a computer manufacturer in the 1980s Entertainment * ''Albert'' (1985 film), a Czechoslovak film directed by František Vláčil * ''Albert'' (2015 film), a film by Karsten Kiilerich * ''Albert'' (2016 film), an American TV movie * ''Albert'' (Ed Hall album), 1988 * "Albert" (short story), by Leo Tolstoy * Albert (comics), a character in Marvel Comics * Albert (''Discworld''), a character in Terry Pratchett's ''Discworld'' series * Albert, a character in Dario Argento's 1977 film ''Suspiria'' Military * Battle of Albert (1914), a WWI battle at Albert, Somme, France * Battle of Albert (1916), a WWI battle at Albert, Somme, France * Battle of Albert (1918), a WWI battle at Albert, Somme, France People * Albert (given ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Luminiferous Aether
Luminiferous aether or ether ("luminiferous", meaning "light-bearing") was the postulated medium for the propagation of light. It was invoked to explain the ability of the apparently wave-based light to propagate through empty space (a vacuum), something that waves should not be able to do. The assumption of a spatial plenum of luminiferous aether, rather than a spatial vacuum, provided the theoretical medium that was required by wave theories of light. The aether hypothesis was the topic of considerable debate throughout its history, as it required the existence of an invisible and infinite material with no interaction with physical objects. As the nature of light was explored, especially in the 19th century, the physical qualities required of an aether became increasingly contradictory. By the late 1800s, the existence of the aether was being questioned, although there was no physical theory to replace it. The negative outcome of the Michelson–Morley experiment (1887) suggeste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Special Relativity
In physics, the special theory of relativity, or special relativity for short, is a scientific theory regarding the relationship between space and time. In Albert Einstein's original treatment, the theory is based on two postulates: # The laws of physics are invariant (that is, identical) in all inertial frames of reference (that is, frames of reference with no acceleration). # The speed of light in vacuum is the same for all observers, regardless of the motion of the light source or the observer. Origins and significance Special relativity was originally proposed by Albert Einstein in a paper published on 26 September 1905 titled "On the Electrodynamics of Moving Bodies".Albert Einstein (1905)''Zur Elektrodynamik bewegter Körper'', ''Annalen der Physik'' 17: 891; English translatioOn the Electrodynamics of Moving Bodiesby George Barker Jeffery and Wilfrid Perrett (1923); Another English translation On the Electrodynamics of Moving Bodies by Megh Nad Saha (1920). The incompa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dayton Miller
Dayton Clarence Miller (March 13, 1866 – February 22, 1941) was an American physicist, astronomer, acoustician, and accomplished amateur flautist. An early experimenter of X-rays, Miller was an advocate of aether theory and absolute space and an opponent of Albert Einstein's theory of relativity. Born in Ohio to Charles Webster Dewey and Vienna Pomeroy Miller, he graduated from Baldwin University in 1886 and obtained a doctorate in astronomy at Princeton University under Charles A. Young in 1890. Miller spent his entire career teaching physics at the Case School of Applied Science in Cleveland, Ohio, as head of the physics department from 1893 until his retirement in 1936. Following the discovery of X-rays by Wilhelm Röntgen in 1895, Miller used cathode ray tubes built by William Crookes to make some of the first photographic images of concealed objects, including a bullet within a man's limb. Active in many scientific organizations, Miller was a member of the Americ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Severance Hall
Severance Hall is a concert hall located in the University Circle section of Cleveland, Ohio. Opened in 1931, Severance Hall was named after patrons John L. Severance and his wife, Elisabeth Huntingdon DeWitt Severance, and serves as the home of The Cleveland Orchestra. It is currently listed on the National Register of Historic Places as part of Cleveland’s Wade Park District. History The Cleveland Orchestra first performed at Grays Armory in downtown Cleveland and later moved to the Masonic Auditorium for concerts during the 1920s. But both buildings also hosted other types of events that occasionally created scheduling conflicts for the Orchestra, including, most famously, twice when the ensemble had to find a location other than Grays Armory because of a poultry exhibition. The Orchestra’s administration soon came to realize the advantages that having a permanent concert hall would bring to the ensemble's performances, rehearsals, and radio broadcasts. After encour ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cleveland Orchestra
The Cleveland Orchestra, based in Cleveland, is one of the five American orchestras informally referred to as the " Big Five". Founded in 1918 by the pianist and impresario Adella Prentiss Hughes, the orchestra plays most of its concerts at Severance Hall. As of 2021, the incumbent music director is Franz Welser-Möst. In October 2020 ''The New York Times'' called it "America's finest rchestra still", and in 2012 ''Gramophone Magazine'' ranked the Cleveland Orchestra number 7 on its list of the world's greatest orchestras. History Founding and early history (1918–1945) The Cleveland Orchestra was founded in 1918 by music-aficionado Adella Prentiss Hughes, businessman John L. Severance, Father John Powers, music critic Archie Bell, and Russian-American violinist and conductor Nikolai Sokoloff, who would become the Orchestra’s first music director. A former pianist, Hughes served as a local music promoter and sponsored a series of “Symphony Orchestra Concerts” designed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Szell
George Szell (; June 7, 1897 – July 30, 1970), originally György Széll, György Endre Szél, or Georg Szell, was a Hungarian-born American conductor and composer. He is widely considered one of the twentieth century's greatest conductors. He is remembered today for his long and successful tenure as music director of the Cleveland Orchestra of Cleveland, Ohio, and for the recordings of the standard classical repertoire he made in Cleveland and with other orchestras. Szell came to Cleveland in 1946 to take over a respected if undersized orchestra, which was struggling to recover from the disruptions of World War II. By the time of his death he was credited, to quote the critic Donal Henahan, with having built it into "what many critics regarded as the world's keenest symphonic instrument." Through his recordings, Szell has remained a presence in the classical music world long after his death, and his name remains synonymous with that of the Cleveland Orchestra. Whil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Argonne National Laboratory
Argonne National Laboratory is a science and engineering research United States Department of Energy National Labs, national laboratory operated by University of Chicago, UChicago Argonne LLC for the United States Department of Energy. The facility is located in Lemont, Illinois, outside of Chicago, and is the largest national laboratory by size and scope in the Midwest. Argonne had its beginnings in the Metallurgical Laboratory of the University of Chicago, formed in part to carry out Enrico Fermi's work on nuclear reactors for the Manhattan Project during World War II. After the war, it was designated as the first national laboratory in the United States on July 1, 1946. In the post-war era the lab focused primarily on non-weapon related nuclear physics, designing and building the first power-producing nuclear reactors, helping design the reactors used by the United States' nuclear navy, and a wide variety of similar projects. In 1994, the lab's nuclear mission ended, and today ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neutrino
A neutrino ( ; denoted by the Greek letter ) is a fermion (an elementary particle with spin of ) that interacts only via the weak interaction and gravity. The neutrino is so named because it is electrically neutral and because its rest mass is so small ('' -ino'') that it was long thought to be zero. The rest mass of the neutrino is much smaller than that of the other known elementary particles excluding massless particles. The weak force has a very short range, the gravitational interaction is extremely weak due to the very small mass of the neutrino, and neutrinos do not participate in the strong interaction. Thus, neutrinos typically pass through normal matter unimpeded and undetected. Weak interactions create neutrinos in one of three leptonic flavors: electron neutrinos muon neutrinos (), or tau neutrinos (), in association with the corresponding charged lepton. Although neutrinos were long believed to be massless, it is now known that there are three discrete ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Luminiferous Aether
Luminiferous aether or ether ("luminiferous", meaning "light-bearing") was the postulated medium for the propagation of light. It was invoked to explain the ability of the apparently wave-based light to propagate through empty space (a vacuum), something that waves should not be able to do. The assumption of a spatial plenum of luminiferous aether, rather than a spatial vacuum, provided the theoretical medium that was required by wave theories of light. The aether hypothesis was the topic of considerable debate throughout its history, as it required the existence of an invisible and infinite material with no interaction with physical objects. As the nature of light was explored, especially in the 19th century, the physical qualities required of an aether became increasingly contradictory. By the late 1800s, the existence of the aether was being questioned, although there was no physical theory to replace it. The negative outcome of the Michelson–Morley experiment (1887) suggeste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Michelson–Morley Experiment
The Michelson–Morley experiment was an attempt to detect the existence of the luminiferous aether, a supposed medium permeating space that was thought to be the carrier of light waves. The experiment was performed between April and July 1887 by American physicists Albert A. Michelson and Edward W. Morley at what is now Case Western Reserve University in Cleveland, Ohio, and published in November of the same year. The experiment compared the speed of light in perpendicular directions in an attempt to detect the relative motion of matter through the stationary luminiferous aether ("aether wind"). The result was negative, in that Michelson and Morley found no significant difference between the speed of light in the direction of movement through the presumed aether, and the speed at right angles. This result is generally considered to be the first strong evidence against the then-prevalent aether theory, as well as initiating a line of research that eventually led to special r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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