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Emil Kolben
Emil Kolben (1 November 1862 in Strančice – 3 September 1943 in Terezín) was an engineer and entrepreneur from Bohemia. The large engineering company ČKD bears his name. He died in the Theresienstadt concentration camp. Biography Kolben was born into the German-speaking Jewish family of a small shopkeeper in the village of Strančice, southeast from Prague. He had nine siblings and from the age of 15 he was left to care for himself. After completing his secondary education in Prague, Kolben studied there at the German Technical University. After finishing university he obtained a two-year Gerstner's stipend that allowed him to study abroad. In 1887 he traveled to Zürich, Paris and London and in April 1888 he sailed with his wife Malvinus to the United States, where he stayed for five years. After arriving in New York he set off on further study trips traveling across the country. He obtained a position as an engineer at the Edison Machine Works in Schenectady, then as an a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Emil Kolben
Emil Kolben (1 November 1862 in Strančice – 3 September 1943 in Terezín) was an engineer and entrepreneur from Bohemia. The large engineering company ČKD bears his name. He died in the Theresienstadt concentration camp. Biography Kolben was born into the German-speaking Jewish family of a small shopkeeper in the village of Strančice, southeast from Prague. He had nine siblings and from the age of 15 he was left to care for himself. After completing his secondary education in Prague, Kolben studied there at the German Technical University. After finishing university he obtained a two-year Gerstner's stipend that allowed him to study abroad. In 1887 he traveled to Zürich, Paris and London and in April 1888 he sailed with his wife Malvinus to the United States, where he stayed for five years. After arriving in New York he set off on further study trips traveling across the country. He obtained a position as an engineer at the Edison Machine Works in Schenectady, then as an a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alternating Current
Alternating current (AC) is an electric current which periodically reverses direction and changes its magnitude continuously with time in contrast to direct current (DC) which flows only in one direction. Alternating current is the form in which electric power is delivered to businesses and residences, and it is the form of electrical energy that consumers typically use when they plug kitchen appliances, televisions, fans and electric lamps into a wall socket. A common source of DC power is a battery cell in a flashlight. The abbreviations ''AC'' and ''DC'' are often used to mean simply ''alternating'' and ''direct'', as when they modify ''current'' or ''voltage''. The usual waveform of alternating current in most electric power circuits is a sine wave, whose positive half-period corresponds with positive direction of the current and vice versa. In certain applications, like guitar amplifiers, different waveforms are used, such as triangular waves or square waves. Audio a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1862 Births
Year 186 ( CLXXXVI) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Glabrio (or, less frequently, year 939 ''Ab urbe condita''). The denomination 186 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Roman Empire * Peasants in Gaul stage an anti-tax uprising under Maternus. * Roman governor Pertinax escapes an assassination attempt, by British usurpers. New Zealand * The Hatepe volcanic eruption extends Lake Taupō and makes skies red across the world. However, recent radiocarbon dating by R. Sparks has put the date at 233 AD ± 13 (95% confidence). Births * Ma Liang, Chinese official of the Shu Han state (d. 222) Deaths * April 21 – Apollonius the Apologist, Christian martyr * Bian Zhang, Chinese official and gene ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kolbenova (Prague Metro)
Kolbenova () is a Prague Metro station on Line B. It was opened on 8 June 2001 as an addition to the previously opened section of Line B. History This station was once a ghost station from 1998 to 2001. The station was in a state of suspended construction as the heavy industry factories it should have served were closed after the Velvet Revolution. Trains slowed when passing through the dimly lit station. As the whole industrial area was slowly revitalised, the station was finally completed. The station is located on a street named in honor of Emil Kolben, an engineer and entrepreneur from Bohemia who died in the Theresienstadt concentration camp Theresienstadt Ghetto was established by the Schutzstaffel, SS during World War II in the fortress town of Terezín, in the Protectorate of Bohemia and Moravia (German occupation of Czechoslovakia, German-occupied Czechoslovakia). Theresienstad .... References External links * Gallery Kolbenova Metro Stationo''Architecture New ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tram
A tram (called a streetcar or trolley in North America) is a rail vehicle that travels on tramway tracks on public urban streets; some include segments on segregated right-of-way. The tramlines or networks operated as public transport are called tramways or simply trams/streetcars. Many recently built tramways use the contemporary term light rail. The vehicles are called streetcars or trolleys (not to be confused with trolleybus) in North America and trams or tramcars elsewhere. The first two terms are often used interchangeably in the United States, with ''trolley'' being the preferred term in the eastern US and ''streetcar'' in the western US. ''Streetcar'' or ''tramway'' are preferred in Canada. In parts of the United States, internally powered buses made to resemble a streetcar are often referred to as "trolleys". To avoid further confusion with trolley buses, the American Public Transportation Association (APTA) refers to them as "trolley-replica buses". In the Unit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies and the Axis powers. World War II was a total war that directly involved more than 100 million personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the only two nuclear weapons ever used in war. World War II was by far the deadliest conflict in human history; it resulted in 70 to 85 million fatalities, mostly among civilians. Tens of millions died due to genocides (including the Holocaust), starvation, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Concentration Camp Theresienstadt
Theresienstadt Ghetto was established by the SS during World War II in the fortress town of Terezín, in the Protectorate of Bohemia and Moravia ( German-occupied Czechoslovakia). Theresienstadt served as a waystation to the extermination camps. Its conditions were deliberately engineered to hasten the death of its prisoners, and the ghetto also served a propaganda role. Unlike other ghettos, the exploitation of forced labor was not economically significant. The ghetto was established by the transportation of Czech Jews in November 1941. The first German and Austrian Jews arrived in June 1942; Dutch and Danish Jews came at the beginning in 1943, and prisoners of a wide variety of nationalities were sent to Theresienstadt in the last months of the war. About 33,000 people died at Theresienstadt, mostly from malnutrition and disease. More than 88,000 people were held there for months or years before being deported to extermination camps and other killing sites; the Jewish Coun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nazis
Nazism ( ; german: Nazismus), the common name in English for National Socialism (german: Nationalsozialismus, ), is the far-right totalitarian political ideology and practices associated with Adolf Hitler and the Nazi Party (NSDAP) in Nazi Germany. During Hitler's rise to power in 1930s Europe, it was frequently referred to as Hitlerism (german: Hitlerfaschismus). The later related term "neo-Nazism" is applied to other far-right groups with similar ideas which formed after the Second World War. Nazism is a form of fascism, with disdain for liberal democracy and the parliamentary system. It incorporates a dictatorship, fervent antisemitism, anti-communism, scientific racism, and the use of eugenics into its creed. Its extreme nationalism originated in pan-Germanism and the ethno-nationalist '' Völkisch'' movement which had been a prominent aspect of German nationalism since the late 19th century, and it was strongly influenced by the paramilitary groups that emerged af ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hloubětín (Prague)
Hloubětín (, german: Tiefenbach) is a district of Prague located from the centre, belonging mostly to Prague 9, with parts of it also belonging to Prague 14 and Prague 10. There were 10,704 people living in this area in 2001. The area, first recorded in the 13th century due to presence of the Teutonic Knights, became part of Prague in 1922. Today it is mainly an industrial area, located on the edge of Prague's so-called ''průmyslový polookruh'' (industrial semi-circle). During communist times, Hloubětín was well known as the home of the Tesla company. Etymology The name "Hloubětín" derives from the surname ''Hlúpata'', and was previously known as ''Lupatin'', ''Glupetin'', ''Hlupetin'' and ''Hloupětín'' before becoming Hloubětín in 1907. Geography The area lies on the Rokytka river, and its northern reaches back onto the area of Kbely Airport. To the west of Hloubětín lies Hořejší rybník, a protected area centered on a lake. Transport Hloubětín is l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hostivař
Hostivař () is a cadastral area in southern Prague Prague ( ; cs, Praha ; german: Prag, ; la, Praga) is the capital and largest city in the Czech Republic, and the historical capital of Bohemia. On the Vltava river, Prague is home to about 1.3 million people. The city has a temperate .... References External links * {{Prague-geo-stub Districts of Prague ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Locomotive
A locomotive or engine is a rail transport vehicle that provides the Power (physics), motive power for a train. If a locomotive is capable of carrying a payload, it is usually rather referred to as a multiple unit, Motor coach (rail), motor coach, railcar or power car; the use of these self-propelled vehicles is increasingly common for passenger trains, but rare for freight (see CargoSprinter). Traditionally, locomotives pulled trains from the front. However, Push-pull train, push-pull operation has become common, where the train may have a locomotive (or locomotives) at the front, at the rear, or at each end. Most recently railroads have begun adopting DPU or distributed power. The front may have one or two locomotives followed by a mid-train locomotive that is controlled remotely from the lead unit. __TOC__ Etymology The word ''locomotive'' originates from the Latin language, Latin 'from a place', Ablative case, ablative of 'place', and the Medieval Latin 'causing mot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Watt (unit)
The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantify the rate of energy transfer. The watt is named after James Watt (1736–1819), an 18th-century Scottish inventor, mechanical engineer, and chemist who improved the Newcomen engine with his own steam engine in 1776. Watt's invention was fundamental for the Industrial Revolution. Overview When an object's velocity is held constant at one metre per second against a constant opposing force of one newton, the rate at which work is done is one watt. : \mathrm In terms of electromagnetism, one watt is the rate at which electrical work is performed when a current of one ampere (A) flows across an electrical potential difference of one volt (V), meaning the watt is equivalent to the volt-ampere (the latter unit, however, is used for a different quantity from the real power of an electrical circuit). : \m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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