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Černý Důl
Černý Důl (german: Schwarzenthal or ''Schwarzental'') is a market town in Trutnov District in the Hradec Králové Region of the Czech Republic. It has about 700 inhabitants. It lies in the Giant Mountains. Administrative parts Villages of Čistá v Krkonoších and Fořt are administrative parts of Černý Důl. Etymology The name literally means "Black Mine". It probably refers to the location in deep (black) forests when it was founded and to its mining history. Geography Černý Důl lies in the Giant Mountains. The northern half of the municipal territory lies in the Krkonoše National Park. The highest point is about above sea level. History The first written mention about iron ore mining in the area of today's Černý Důl is from 1383. The manor was purchased by Kryštof Gendorf in 1533. In that time, the area was formed by three parts: Nová Ves village, settlement of Gottes Hilf, and grouping of huts called ''III. horský díl''. The oldest was Nová Ves, which wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Městys
Městys (or, unofficially or obsolete, městečko (literally "small town")), translated as "market town", is a status conferred on certain municipalities in the Czech Republic, lying in terms of size and importance higher than that of simple ''obec'' (municipality), but lower than that of ''město'' (city, town). Historically a ''městys'' was a locality which had the right to stage livestock markets (and some other "extraordinary" and annual markets), and it is therefore translated as "market town". The term went out of official use in Czechoslovakia in 1954, but was reintroduced in the Czech Republic in 2006. As of September 2020, there are 228 municipalities on which the status of ''městys'' has been re-admitted. In all cases, these are municipalities that have requested the return of their former title. This title has not been newly awarded to any municipality that would not have it in the past, the law does not even set any specific criteria for it, only procedural competenc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iron Ore
Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the form of magnetite (, 72.4% Fe), hematite (, 69.9% Fe), goethite (, 62.9% Fe), limonite (, 55% Fe) or siderite (, 48.2% Fe). Ores containing very high quantities of hematite or magnetite (greater than about 60% iron) are known as "natural ore" or "direct shipping ore", meaning they can be fed directly into iron-making blast furnaces. Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel—98% of the mined iron ore is used to make steel. In 2011 the ''Financial Times'' quoted Christopher LaFemina, mining analyst at Barclays Capital, saying that iron ore is "more integral to the global economy than any other commodity, except perhaps oil". Sources Metallic iron is virtually unk ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sister City
A sister city or a twin town relationship is a form of legal or social agreement between two geographically and politically distinct localities for the purpose of promoting cultural and commercial ties. While there are early examples of international links between municipalities akin to what are known as sister cities or twin towns today dating back to the 9th century, the modern concept was first established and adopted worldwide during World War II. Origins of the modern concept The modern concept of town twinning has its roots in the Second World War. More specifically, it was inspired by the bombing of Coventry on 14 November 1940, known as the Coventry Blitz. First conceived by the then Mayor of Coventry, Alfred Robert Grindlay, culminating in his renowned telegram to the people of Stalingrad (now Volgograd) in 1942, the idea emerged as a way of establishing solidarity links between cities in allied countries that went through similar devastating events. The comradesh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Computer-generated Imagery
Computer-generated imagery (CGI) is the use of computer graphics to create or contribute to images in art, printed media, video games, simulators, and visual effects in films, television programs, shorts, commercials, and videos. The images may be static (still images) or dynamic ( moving images), in which case CGI is also called ''computer animation''. CGI may be two-dimensional (2D), although the term "CGI" is most commonly used to refer to the 3-D computer graphics used for creating characters, scenes and special effects in films and television, which is described as "CGI animation". The first feature film to make use of CGI was the 1973 film '' Westworld''. Other early films that incorporated CGI include '' Star Wars'' (1977), ''Tron'' (1982), '' Golgo 13: The Professional'' (1983), ''The Last Starfighter'' (1984), '' Young Sherlock Holmes'' (1985) and ''Flight of the Navigator'' (1986). The first music video to use CGI was Dire Straits' award-winning " Money for No ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuclear Weapon
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions ( thermonuclear bomb), producing a nuclear explosion. Both bomb types release large quantities of energy from relatively small amounts of matter. The first test of a fission ("atomic") bomb released an amount of energy approximately equal to . The first thermonuclear ("hydrogen") bomb test released energy approximately equal to . Nuclear bombs have had yields between 10 tons TNT (the W54) and 50 megatons for the Tsar Bomba (see TNT equivalent). A thermonuclear weapon weighing as little as can release energy equal to more than . A nuclear device no larger than a conventional bomb can devastate an entire city by blast, fire, and radiation. Since they are weapons of mass destruction, the proliferation of nuclear weapons is a focus of international relations policy. Nuclear weapons have been d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Broadcast Signal Intrusion
A broadcast signal intrusion is the hijacking of broadcast signals of radio, television stations, cable television broadcast feeds or satellite signals without permission or license. Hijacking incidents have involved local TV and radio stations as well as cable and national networks. Although television, cable, and satellite broadcast signal intrusions tend to receive more media coverage, radio station intrusions are more frequent, as many simply rebroadcast a signal received from another radio station. All that is required is an FM transmitter that can overpower the same frequency as the station being rebroadcast. Other methods that have been used in North America to intrude on legal broadcasts include breaking into the transmitter area and splicing audio directly into the feed. As a cable television operator connects itself in the signal path between individual stations and the system's subscribers, broadcasters have fallen victim to signal tampering on cable systems on multipl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ski Resort
A ski resort is a resort developed for skiing, snowboarding, and other winter sports. In Europe, most ski resorts are towns or villages in or adjacent to a ski area – a mountainous area with pistes (ski trails) and a ski lift system. In North America, it is more common for ski areas to exist well away from towns, so ski resorts usually are destination resorts, often purpose-built and self-contained, where skiing is the main activity. Ski resort Ski resorts are located on both Northern and Southern Hemispheres on all continents except Antarctica. They typically are located on mountains, as they require a large slope. They also need to receive sufficient snow (at least in combination with artificial snowmaking, unless the resort uses dry ski slopes). High concentrations of ski resorts are located in the Alps, Scandinavia, western and eastern North America, and Japan. There are also ski resorts in the Andes, scattered across central Asia, and in Australia and New Zealand. E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. About 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. The remaining carbonate rock is mostly dolomite, a closely related rock, which contains a high percentage of the mineral dolomite, . ''Magnesian limestone'' is an obsolete and poorly-defined term used variously for dolomite, for limes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hand Spinning
Spinning is an ancient textile arts, textile art in which fibre crop, plant, animal fibre, animal or synthetic fibre, synthetic fibres are drawn out and twisted together to form yarn. For thousands of years, fibre was spun by hand using simple tools, the Spindle (textiles), spindle and distaff. It was only with the invention of the spinning wheel in the Islamic world circa 1030, and its subsequent introduction to China, India and Europe in the High Middle Ages, that the output of individual spinners dramatically increased. Mass production later arose in the 18th century with the beginnings of the Industrial Revolution. Hand-spinning remains a popular handicraft. Characteristics of spun yarn vary according to the material used, fibre length and alignment, quantity of fibre used, and degree of twist. History The origins of spinning fibre to make string or yarn are lost in time, but archaeology, archaeological evidence in the form of representation of string skirts has been date ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Linen
Linen () is a textile made from the fibers of the flax plant. Linen is very strong, absorbent, and dries faster than cotton. Because of these properties, linen is comfortable to wear in hot weather and is valued for use in garments. It also has other distinctive characteristics, notably its tendency to wrinkle. Linen textiles appear to be some of the oldest in the world; their history goes back many thousands of years. Dyed flax fibers found in a cave in Southeastern Europe (present-day Georgia) suggest the use of woven linen fabrics from wild flax may date back over 30,000 years. Linen was used in ancient civilizations including Mesopotamia and ancient Egypt, and linen is mentioned in the Bible. In the 18th century and beyond, the linen industry was important in the economies of several countries in Europe as well as the American colonies. Textiles in a linen weave texture, even when made of cotton, hemp, or other non-flax fibers, are also loosely referred to as "linen". ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mining Community
A mining community, also known as a mining town or a mining camp, is a community that houses miners. Mining communities are usually created around a mine or a quarry. Historic mining communities Australia * Ballarat, Victoria * Bendigo, Victoria Austria *Schwaz *Eisenerz, Styria Former Austria-Hungary Upper Austrio-Hungarian mining towns *Göllnitz, today Gelnica *Jossau, today Jasov *Nemecká Ľupča, today Partizánska Ľupča *Schmöllnitz, today Smolník *Rosenau, today Rožňava *Ruda, today Rudabánya in Hungary *Telken, today Telkibánya in Hungary *Zipser Neudorf, today Spišská Nová Ves Lower Austrio-Hungarian mining towns *Dilln, today Banská Belá *Königsberg, today Nová Baňa *Kremnitz, today Kremnica *Libethen, today Ľubietová *Neusohl, today Banská Bystrica *Pukanz, today Pukanec *Schemnitz, today Banská Štiavnica Bosnia and Herzegovina *Banovići *Kakanj *Tuzla *Zenica Canada *Cobalt, Ontario *Glace Bay, Nova Scotia *Dawson City ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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