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French Submarine Émeraude (S604)
''Émeraude'' was a nuclear submarine, nuclear attack submarine from the first generation of attack submarines of the French Navy. Having been in service since 1988, she was retired in 2024. The boat was the fourth of the Rubis-class submarine, ''Rubis'' series. Between May 1994 and December 1995, the boat undertook a major refitting, which upgraded capabilities to the level of . On 30 March 1994, an accidental explosion occurred in the engine compartment while the boat was engaged in a naval exercise off Toulon. The explosion killed ten men, including the commander, who were examining the turbo-alternator room. The boat returned to base under diesel and battery power. In June 2009, ''Émeraude'' was sent to the mid Atlantic to aid in the search for the flight data recorder and cockpit voice recorder from the ill-fated Air France Flight 447. In February 2021, the submarine successfully concluded a passage of the South China Sea. In October 2024, ''Émeraude'' departed Toulon ...
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Emerald
Emerald is a gemstone and a variety of the mineral beryl (Be3Al2(SiO3)6) colored green by trace amounts of chromium or sometimes vanadium.Hurlbut, Cornelius S. Jr., and Kammerling, Robert C. (1991). ''Gemology'', John Wiley & Sons, New York, p. 203, . Beryl has a hardness of 7.5–8 on the Mohs scale. Most emeralds have many inclusions, so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate. Etymology The word "emerald" is derived (via and ), from Vulgar Latin: ''esmaralda/esmaraldus'', a variant of Latin ''smaragdus'', which was via (smáragdos; "green gem"). The Greek word may have a Semitic, Sanskrit or Persian origin. According to ''Webster's Dictionary'' the term emerald was first used in the 14th century. Properties determining value Emeralds, like all colored gemstones, are graded using four basic parameters known as "the four ''C''s": ''color'', ''clarity,'' ''cut'' and ''carat weight''. Normally, in grading ...
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Cockpit Voice Recorder
A flight recorder is an electronic recording device placed in an aircraft for the purpose of facilitating the investigation of aviation accidents and incidents. The device may often be referred to colloquially as a "black box", an outdated name which has become a misnomer—they are now required to be painted Safety orange, bright orange, to aid in their recovery after accidents. There are two types of flight recording devices: the flight data recorder (FDR) preserves the recent history of the flight through the recording of dozens of parameters collected several times per second; the cockpit voice recorder (CVR) preserves the recent history of the sounds in the cockpit, including the conversation of the pilots. The two devices may be combined into a single unit. Together, the FDR and CVR objectively document the aircraft's flight history, which may assist in any later investigation. The two flight recorders are required by international regulation, overseen by the Internation ...
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Cold War Submarines Of France
Cold is the presence of low temperature, especially in the atmosphere. In common usage, cold is often a subjective perception. A lower bound to temperature is absolute zero, defined as 0.00K on the Kelvin scale, an absolute thermodynamic temperature scale. This corresponds to on the Celsius scale, on the Fahrenheit scale, and on the Rankine scale. Since temperature relates to the thermal energy held by an object or a sample of matter, which is the kinetic energy of the random motion of the particle constituents of matter, an object will have less thermal energy when it is colder and more when it is hotter. If it were possible to cool a system to absolute zero, all motion of the particles in a sample of matter would cease and they would be at complete rest in the classical sense. The object could be described as having zero thermal energy. Microscopically in the description of quantum mechanics, however, matter still has zero-point energy even at absolute zero, because ...
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Ships Built In France
A ship is a large vessel that travels the world's oceans and other navigable waterways, carrying cargo or passengers, or in support of specialized missions, such as defense, research and fishing. Ships are generally distinguished from boats, based on size, shape, load capacity and purpose. Ships have supported exploration, trade, warfare, migration, colonization, and science. Ship transport is responsible for the largest portion of world commerce. The word ''ship'' has meant, depending on the era and the context, either just a large vessel or specifically a ship-rigged sailing ship with three or more masts, each of which is square-rigged. The earliest historical evidence of boats is found in Egypt during the 4th millennium BCE. In 2024, ships had a global cargo capacity of 2.4 billion tons, with the three largest classes being ships carrying dry bulk (43%), oil tankers (28%) and container ships (14%). Nomenclature Ships are typically larger than boats, but there is no ...
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List Of Submarines Of France
The submarines of France include Nuclear submarine, nuclear attack submarines and nuclear ballistic missile submarines of various List of submarine classes, classes, operated by the French Navy as part of the Submarine forces (France), French Submarine Forces. France also builds Scorpène-class submarines for international buyers; the Brazilian submarine Álvaro Alberto, a nuclear-powered boat, will be developed from this platform. Each French Navy vessel, including French submarines have for military awards and decorations their respective fanion insignia. In service Nuclear attack submarines * *# (1992–present) *# (1993–present) * *# French submarine Suffren, ''Suffren'' (Q284/S635) (2020–present) *# French submarine Duguay-Trouin, ''Duguay-Trouin'' (S636) (2023 - present) *# French submarine Tourville, ''Tourville'' (S637) (2024 - present) (working up to full operational status as of late 2024) Nuclear ballistic missile submarines * *# (1997–present) *# (1 ...
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Royal Moroccan Navy
The Royal Moroccan Navy of Morocco () is a branch of the military of Morocco responsible for conducting naval operations. The Royal Moroccan Navy is administratively managed by the Administration of Defence, which is (''de facto'') commanded by King Mohammed VI, the commander-in-chief of the Moroccan Armed Forces. Mission The Royal Moroccan Navy is part of the Moroccan Armed Forces. Its mission includes the protection of Moroccan territory and sovereignty, as well as the control of Morocco's 81,000-square-nautical mile Exclusive Economic Zone. Given Morocco's significant coastline (2,952 km) and strategic position overseeing the Strait of Gibraltar, it (along with Spain and the United Kingdom) is deeply involved in the security of this important international waterway. History The history of the modern Royal Moroccan Navy began in 1960 with its foundation by King Mohammed V. The first admiral of the modern Moroccan Navy was Vice Admiral Mohammed Triki, who held t ...
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Cherbourg
Cherbourg is a former Communes of France, commune and Subprefectures in France, subprefecture located at the northern end of the Cotentin peninsula in the northwestern French departments of France, department of Manche. It was merged into the commune of Cherbourg-Octeville on 28 February 2000,Décret
23 February 2000
which was merged into the new commune of Cherbourg-en-Cotentin on 1 January 2016. Cherbourg is protected by Cherbourg Harbour, between La Hague and Val de Saire, and the city has been a strategic position over the centuries, disputed between the English and French. Cited as one of the "keys to the kingdom" by Sébastien Le Prestre de Vauban, Vauban, it became, by colossal maritime development work, a first-rate military port under the ...
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Nikkei Shinbun
''The Nikkei'', also known as , is the flagship publication of Nikkei, Inc. (based in Tokyo) and the world's largest financial newspaper, with a daily circulation exceeding 1.73 million copies. The Nikkei 225, a stock market index for the Tokyo Stock Exchange, has been calculated by the newspaper since 1950. It is one of the four national newspapers in Japan; the other three are ''The Asahi Shimbun'', the ''Yomiuri Shimbun'' and the ''Mainichi Shimbun''. History The roots of the Nikkei started with an in-house newspaper department of Mitsui & Company in 1876 when it started publication of ''Chugai Bukka Shimpo'' (literally ''Domestic and Foreign Commodity Price Newspaper''), a weekly market-quotation bulletin. The department was spun out as the ''Shokyosha'' in 1882. The paper became daily (except Sunday) in 1885 and was renamed ''Chugai Shōgyō Shimpo'' in 1889. It was merged with ''Nikkan Kōgyō'' and ''Keizai Jiji'' and renamed ''Nihon Sangyō Keizai Shimbun'' in 1942. It c ...
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South China Sea
The South China Sea is a marginal sea of the Western Pacific Ocean. It is bounded in the north by South China, in the west by the Indochinese Peninsula, in the east by the islands of Taiwan island, Taiwan and northwestern Philippines (mainly Luzon, Mindoro and Palawan Island, Palawan), and in the south by Borneo, eastern Sumatra and the Bangka Belitung Islands, encompassing an area of around . It communicates with the East China Sea via the Taiwan Strait, the Philippine Sea via the Luzon Strait, the Sulu Sea via the straits around Palawan, the Java Sea via the Karimata Strait, Karimata and Bangka Straits and directly with Gulf of Thailand. The Gulf of Tonkin is part of the South China Sea. $3.4 trillion of the world's $16 trillion Maritime transport, maritime shipping passed through South China Sea in 2016. Oil and natural gas reserves have been found in the area. The Western Central Pacific accounted for 14% of world's commercial fishing in 2010. The South China Sea Islands, ...
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Reuters
Reuters ( ) is a news agency owned by Thomson Reuters. It employs around 2,500 journalists and 600 photojournalists in about 200 locations worldwide writing in 16 languages. Reuters is one of the largest news agencies in the world. The agency was established in London in 1851 by Paul Reuter. The Thomson Corporation of Canada acquired the agency in a 2008 corporate merger, resulting in the formation of the Thomson Reuters Corporation. In December 2024, Reuters was ranked as the 27th most visited news site in the world, with over 105 million monthly readers. History 19th century Paul Julius Reuter worked at a book-publishing firm in Berlin and was involved in distributing radical pamphlets at the beginning of the Revolutions of 1848. These publications brought much attention to Reuter, who in 1850 developed a prototype news service in Aachen using homing pigeons and electric telegraphy from 1851 on, in order to transmit messages between Brussels and Aachen, in what today is Aa ...
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Air France Flight 447
Air France Flight 447 was a scheduled international passenger flight from Rio de Janeiro/Galeão International Airport, Rio de Janeiro, Brazil, to Charles de Gaulle Airport, Paris, France. On 1 June 2009, inconsistent airspeed indications and miscommunication led to the pilots inadvertently Stall (fluid dynamics), stalling the Airbus A330. They failed to recover the plane from the stall, and the plane crashed into the mid-Atlantic Ocean at 02:14 Coordinated Universal Time, UTC, killing all 228 passengers and crew on board. The Brazilian Navy recovered the first major wreckage and two bodies from the sea within five days of the accident, but the investigation by France's Bureau of Enquiry and Analysis for Civil Aviation Safety (BEA) was initially hampered because the aircraft's flight recorders were not recovered from the ocean floor until May 2011, nearly two years after the accident. The BEA's final report, released at a press conference on 5 July 2012, concluded that the aircr ...
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