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Tesla's Egg Of Columbus
Tesla's Egg of Columbus was a device exhibited in the Westinghouse Electric display at the 1893 Chicago World's Columbian Exposition to explain the rotating magnetic field that drove the new alternating current induction motors designed by inventor Nikola Tesla by using that magnetic field to spin a copper egg on end. Origins At the 1893 World's Columbian Exposition Westinghouse Electric (who had a large space in the "Electricity Building" devoted to their electrical exhibits) asked Tesla to participate and gave his devices their own exhibit space. The display demonstrated a series of electrical effects related to alternating current, AC generators, and displayed many types of induction motors and explained the rotating magnetic field that drove them. With the fair celebrating the 400th anniversary of Christopher Columbus's arrival in the New World, the "Egg of Columbus" exhibit, building on the apocryphal 15th century story of the "Egg of Columbus" (where the explorer stood a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nikola Tesla's Egg Of Columbus At 1893 Chicago Columbian Exposition World's Fair
Nikola () is a given name which, like Nicholas, is a version of the Greek ''Nikolaos'' (Νικόλαος). It is common as a masculine given name in the South Slavs, South Slavic countries (Bosnia and Herzegovina, Bulgaria, Croatia, North Macedonia, Montenegro, Serbia), while in West Slavic countries (Czech Republic, Poland, Slovakia) it is primarily found as a feminine given name. There is a wide variety of male diminutives of the name, examples including: Niko, Nikolica, Nidžo, Nikolče, Nikša, Nikica, Nikulitsa, Nino, Kole, Kolyo, Kolyu. The spelling with K, Nikola, reflects romanization of the Cyrillic spelling, while Nicola (name), Nicola reflects Italian usage. Statistics *Serbia: male name. 5th most popular in 2011, 1st in 2001, 1st in 1991, 5th in 1981, 9th pre-1940. *Croatia: male name. 32,304 (2011). *Bosnia and Herzegovina: male name. *Bulgaria: male name. * North Macedonia: male name. *Czech Republic: 22,567 females and 740 males (2002). *Poland: female name. *Slova ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stator
The stator is the stationary part of a rotary system, found in electric generators, electric motors, sirens, mud motors or biological rotors. Energy flows through a stator to or from the rotating component of the system. In an electric motor, the stator provides a magnetic field that drives the rotating armature; in a generator, the stator converts the rotating magnetic field to electric current. In fluid powered devices, the stator guides the flow of fluid to or from the rotating part of the system. Design Motor stators are made either from iron/steel or from a printed circuit board (PCB). Originally applied to low-power applications, PCB stators can be lighter, smaller, and less noisy. One design embeds thin copper traces in the PCB stator that serve as the windings. The traces are interleaved with epoxy-glass laminates, that insulate each coil from its neighbors. An air core replaces the traditional iron core, saving space and weight, and allowing a smaller air gap. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Technical Museum, Zagreb
The Nikola Tesla Technical Museum ( hr, Tehnički muzej Nikola Tesla) is a technology museum located in Zagreb, Croatia, which collects and showcases scientific and technical appliances used in the countryćs history. It exhibits numerous historic aircraft, cars, machinery and equipment. History The Technical Museum was founded in 1954, officially opening to the public on the 14 January 1963. on Savska street. The creator of the concept of this museum was Dr. , then a professor of at the Faculty of Science, University of Zagreb. In 2012, the museum had 125,000 visitors. In 2013, it had over 118,000 visitors, and was the most visited museum in Croatia. With 141,000 visitors in 2018, it was the 7th most visited museum in Croatia. In June 2015, the City Assembly of the City of Zagreb decided to rename the Technical Museum after Nikola Tesla. Features The museum maintains the oldest preserved steam engine in the area, dating from the mid-19th century, which is still operationa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Smiljan
Smiljan () is a village in the mountainous region of Western Lika in Croatia. It is located northwest of Gospić, and fifteen kilometers from the Zagreb-Split highway; its population is 418 (2011). Smiljan is the birthplace of inventor and engineer Nikola Tesla. Geography It consists of eighteen scattered hamlets (Baćinac, Bogdanić, Čovini, Debelo Brdo, Dražica, Kolakovica, Kovačevići, Ljutača, Milkovića Varoš, Miljača, Miškulin Brdo, Podkrčmar, Rasovača, Rosulje, Smiljan, Smiljansko Polje, Vaganac). Smiljan resort is located in the central part of the Velebit-Lika plain, on the western edge of the field at the foot of the hill Krčmar. It consists of twelve villages which makes the spatial and functional unit. In the surroundings are Hill-forts Bogdanić, Smiljan and Krčmar, prehistoric tombs, the churches of St. Anastasia, St. Mark and St. Vitus. It got its name from the fort Smiljan which ruins are located at hill Vekavac. History The oldest traces of settle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Belgrade
Belgrade ( , ;, ; Names of European cities in different languages: B, names in other languages) is the Capital city, capital and List of cities in Serbia, largest city in Serbia. It is located at the confluence of the Sava and Danube rivers and the crossroads of the Pannonian Basin, Pannonian Plain and the Balkan Peninsula. Nearly 1,166,763 million people live within the administrative limits of the City of Belgrade. It is the third largest of all List of cities and towns on Danube river, cities on the Danube river. Belgrade is one of the List of oldest continuously inhabited cities, oldest continuously inhabited cities in Europe and the world. One of the most important prehistoric cultures of Europe, the Vinča culture, evolved within the Belgrade area in the 6th millennium BC. In antiquity, Thracians, Thraco-Dacians inhabited the region and, after 279 BC, Celts settled the city, naming it ''Singidunum, Singidūn''. It was Roman Serbia, conquered by the Romans under the reign ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nikola Tesla Museum
The Nikola Tesla Museum ( sr-cyr, Музеј Николе Тесле, Muzej Nikole Tesle) is a science museum located in the central area of Belgrade, Serbia. It is dedicated to honoring and displaying the life and work of Nikola Tesla as well as the final resting place for Tesla. It holds more than 160,000 original documents, over 2,000 books and journals, over 1,200 historical technical exhibits, over 1,500 photographs and photo plates of original, technical objects, instruments and apparatus, and over 1,000 plans and drawings. Very little is on display in the small ground floor exhibition space. The Nikola Tesla Archive was inscribed on UNESCO's Memory of the World Programme Register in 2003 due to its critical role regarding history of electrification of the world and future technological advancements in this area. History The Nikola Tesla Museum is housed in a residential villa built in 1927 according to the designs of Dragiša Brašovan, a distinguished Serbian architect. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Man Out Of Time
"Man Out of Time" is a song written by new wave musician Elvis Costello and performed by Elvis Costello and the Attractions on their 1982 album, ''Imperial Bedroom''. With lyrics detailing a political scandal, "Man Out of Time" features a lush arrangement that was a conscious departure from the aggressive style of Costello's previous work. The song was released as the second single from ''Imperial Bedroom'', reaching number 58 in the United Kingdom. The song has since been lauded by critics, some of whom name the track as Costello's greatest song. Background Costello thought of the song's central lyric, "But will you still love a man out of time?", while on a tour bus in Sweden in 1982, writing the rest of the song in a Scottish hotel during the same tour. At a lyrical level, "Man Out of Time" features lyrics about what ''the Guardian'' describes as a "cabinet minister hiding out from a sex scandal". Elvis Costello wrote "Man Out of Time" as a synthesis of his personal ambition ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New York City
New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the most densely populated major city in the United States, and is more than twice as populous as second-place Los Angeles. New York City lies at the southern tip of New York State, and constitutes the geographical and demographic center of both the Northeast megalopolis and the New York metropolitan area, the largest metropolitan area in the world by urban landmass. With over 20.1 million people in its metropolitan statistical area and 23.5 million in its combined statistical area as of 2020, New York is one of the world's most populous megacities, and over 58 million people live within of the city. New York City is a global cultural, financial, entertainment, and media center with a significant influence on commerce, health care and life sciences, research, technology, education, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Houston Street
Houston Street ( ) is a major east–west thoroughfare in Lower Manhattan in New York City. It runs the full width of the island of Manhattan, from FDR Drive along the East River in the east to the West Side Highway along the Hudson River in the west. The street is divided into west and east sections by Broadway. Houston Street generally serves as the boundary between neighborhoods on the East Side of Manhattan— Alphabet City, the East Village, NoHo, Greenwich Village, and the West Village to the north, and the Lower East Side, most of the Bowery, Nolita, and SoHo to the south. The numeric street-naming grid in Manhattan, created as part of the Commissioners' Plan of 1811, begins immediately north of Houston Street with 1st Street at Avenue A. The street's name is pronounced "", in contrast to the city of Houston, Texas, whose name is pronounced "". The street was named for William Houstoun, while the city was named for Sam Houston. Description At its east ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrical Experimenter
''The Electrical Experimenter'' was an American technical science magazine that was published monthly. It was established in May 1913, as the successor to ''Modern Electrics'', a combination of a magazine and mail-order catalog that had been published by Hugo Gernsback starting in 1908. ''The Electrical Experimenter'' continued from May 1913 to July 1920 under that name, focusing on scientific articles about radio, and continued with a broader focus as ''Science and Invention'' until August 1931. The magazine was edited by Hugo Gernsback until March 1929, when the Experimenter Publishing empire of Sidney and Hugo Gernsback was forced into bankruptcy; after that date it was edited by Arthur H. Lynch. Under the editorship of Gernsback, it also published some early science fiction; he published several of his own stories in the magazine starting in 1915, and encouraged others through a 1916 editorial arguing that a "real electrical experimenter, worthy of the name" must have ima ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles F
Charles is a masculine given name predominantly found in English and French speaking countries. It is from the French form ''Charles'' of the Proto-Germanic name (in runic alphabet) or ''*karilaz'' (in Latin alphabet), whose meaning was "free man". The Old English descendant of this word was '' Ċearl'' or ''Ċeorl'', as the name of King Cearl of Mercia, that disappeared after the Norman conquest of England. The name was notably borne by Charlemagne (Charles the Great), and was at the time Latinized as ''Karolus'' (as in ''Vita Karoli Magni''), later also as '' Carolus''. Some Germanic languages, for example Dutch and German, have retained the word in two separate senses. In the particular case of Dutch, ''Karel'' refers to the given name, whereas the noun ''kerel'' means "a bloke, fellow, man". Etymology The name's etymology is a Common Germanic noun ''*karilaz'' meaning "free man", which survives in English as churl (< Old English ''ċeorl''), which developed its ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hertz
The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one hertz is the reciprocal of one second. It is named after Heinrich Rudolf Hertz (1857–1894), the first person to provide conclusive proof of the existence of electromagnetic waves. Hertz are commonly expressed in multiples: kilohertz (kHz), megahertz (MHz), gigahertz (GHz), terahertz (THz). Some of the unit's most common uses are in the description of periodic waveforms and musical tones, particularly those used in radio- and audio-related applications. It is also used to describe the clock speeds at which computers and other electronics are driven. The units are sometimes also used as a representation of the energy of a photon, via the Planck relation ''E'' = ''hν'', where ''E'' is the photon's energy, ''ν'' is its f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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