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M31 (Spain)
M31 may refer to: Roadways * M31 motorway, a planned but unbuilt motorway in England * M-31 (Michigan highway), a former state highway in Michigan * Hume Highway in Australia, designated "M31" * M31 motorway (Hungary), a short motorway section near Budapest, Hungary * M31 (Cape Town), a Metropolitan Route in Cape Town, South Africa * M31 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa * M31 (Pretoria), a Metropolitan Route in Pretoria, South Africa * M31 (Durban), a Metropolitan Route in Durban, South Africa Military * Suomi M-31 SMG, a Finnish WWII-era submachine gun * M31 HEAT rifle grenade * M31 Recovery Vehicle based on the M3 Lee tank * M31 rocket, an alternate designation for the MGR-1 Honest John, a United States military rocket * M31 (missile), for a multiple-launch rocket system (MLRS) * M31 is the pennant number for HMS ''Cattistock'', a Hunt-class mine countermeasures vessel Other * M31 = 0x7FFFFFFF = 2147483647, the eighth Mersenne prime nu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M31 Motorway
The M31 was planned as a Reading to M3 motorway which was dubbed the 'M3 – M4 link motorway'. It would have provided a direct high-speed route between the two motorways. The motorway was planned at the same time as the largely unrealised London Ringways scheme and an additional section was planned that would have taken the M31 south and east from the M3 to connect to the scheme's Ringway 4 (now the M25) providing a shorter route for traffic travelling between the west and Surrey and Kent. Only part of the planned route was built; it bears the designations A329(M) The A329(M) is a motorway in Berkshire, England. It is 4 miles (6.4 km) long and runs from the west of Bracknell to the north west of Winnersh. It is one of a small number of parts of the motorway system in England that are managed by ... and A3290. Had the motorway been constructed it would have provided an alternative to the south-west section of the M25, reducing the motorway journey between Rea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M3 Lee
The M3 Lee, officially Medium Tank, M3, was an American medium tank used during World War II. The turret was produced in two forms, one for US needs and one modified to British requirements to place the radio next to the commander. In British Commonwealth service, the tank was called by two names: tanks employing US pattern turrets were called "Lee," named after Confederate general Robert E. Lee, while those with British pattern turrets were known as "Grant," named after Union general Ulysses S. Grant. Design commenced in July 1940, and the first M3s were operational in late 1941. The US Army needed a medium tank armed with a 75mm gun and, coupled with the United Kingdom's immediate demand for 3,650 medium tanks, the Lee began production by late 1940. The design was a compromise meant to produce a tank as soon as possible. The M3 had considerable firepower and good armor, but had serious drawbacks in its general design and shape, including a high silhouette, an archaic sponson ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stephen Wright (writer)
Stephen Wright (born 1946) is a novelist based in New York City known for his use of surrealistic imagery and dark comedy. His work has varied from hallucinatory accounts of war ('' Meditations in Green''), a family drama among UFO cultists ('' M31: A Family Romance''), carnivalesque novel on a serial killer ('' Going Native''), to a picaresque taking place during the Civil War ('' The Amalgamation Polka''). '' Going Native'' was ranked #13 on Larry McCaffery's 20th Century's Greatest Hits: 100 English-Language Books of Fiction. Biography Stephen Wright was born in Warren, Pennsylvania. He was drafted in the army and served at the Phu Bai Combat Base during the Vietnam War. When he returned, he received his Master of Fine Arts from the Iowa Writers' Workshop. He has received a Whiting Award in Fiction, a Guggenheim Fellowship, and a Lannan Literary Fellowship. Wright has taught writing and literature at Princeton University, Brown University, and The New School. Work * '' M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M31 (New York City Bus)
Several companies, most prominently the Metropolitan Transportation Authority (MTA), operate a number of bus routes in Manhattan, New York, United States. Many of them are the direct descendants of streetcar lines (see list of streetcar lines in Manhattan). __TOC__ Companies Presently, the New York City Transit Authority and its subsidiary Manhattan and Bronx Surface Transit Operating Authority operate most local buses in Manhattan. The Roosevelt Island Operating Corporation operates the Roosevelt Island Red Bus Service. The first bus company in Manhattan was the Fifth Avenue Coach Company, which began operating the Fifth Avenue Line (now the M1 route) in 1886. When New York Railways began abandoning several streetcar lines in 1919, the replacement bus routes (including the current M21 and M22 routes) were picked up by the New York City Department of Plant and Structures (DP&S). The DP&S began operating several other buses (including the current M79 and M96 routes) in 1921. A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2,147,483,647
The number 2,147,483,647 is the eighth Mersenne prime, equal to 231 − 1. It is one of only four known double Mersenne primes. The primality of this number was proven by Leonhard Euler, who reported the proof in a letter to Daniel Bernoulli written in 1772. Euler used trial division, improving on Pietro Cataldi's method, so that at most 372 divisions were needed. It thus improved upon the previous record-holding prime, 6,700,417, also discovered by Euler, forty years earlier. The number 2,147,483,647 remained the largest known prime until 1867. In computing, this number is the largest value that a signed 32-bit integer field can hold. Barlow's prediction At the time of its discovery, 2,147,483,647 was the largest known prime number. In 1811, Peter Barlow, not anticipating future interest in perfect numbers, wrote (in ''An Elementary Investigation of the Theory of Numbers''): Euler ascertained that 231 − 1 = 2147483647 is a prime number; and this is t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HMS Cattistock (M31)
HMS ''Cattistock'', the third ship of this name, is a of the Royal Navy. She was launched in 1981 and commissioned on 5 March 1982, the third ship of her class. Operational history In 1991, she was placed under the command of Sir George Zambellas, who was First Sea Lord from 2013 until 2016. In July 1997 she suffered an engine room fire and was under repair at Rosyth Dockyard for 14 months. In September 1999 she replaced the minehunter in the NATO Mine Countermeasures Force North West Europe. She was mentioned in the media in December 2002 after colliding with a jetty as she was leaving her homeport of HMNB Portsmouth in late November. She was left with a 2-foot hole in her side, although no crew were hurt in the collision. It was the third such collision that year: the submarine ran aground off the Isle of Skye earlier in November and the destroyer hit rocks off the coast of Australia in July. In 2012 she assisted in the location of two Royal Air Force Panavia Tornados ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M31 (missile)
The M270 Multiple Launch Rocket System (M270 MLRS) is an American-developed armoured fighting vehicle, armored, self-propelled artillery, self-propelled, multiple rocket launcher. The U.S. Army variant of the MLRS vehicle is based on the chassis of the Bradley Fighting Vehicle. The first M270s were delivered in 1983. The MLRS were subsequently adopted by several Member states of NATO, NATO countries and other countries. The MLRS first saw service with the United States in the 1991 Gulf War. The MLRS has been upgraded to fire guided missiles, and has been used by Ukraine in the 2022 Russian invasion of Ukraine. Description Background In the early 1970s, the Soviet Union had a clear advantage over U.S. and NATO forces in terms of rocket artillery. Soviet tactics of bombardment by large numbers of truck-mounted multiple rocket launchers (MRLs), such as the BM-21, would saturate a target area with thousands of rockets, ensuring some would hit specific targets while delivering a p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MGR-1 Honest John
The MGR-1 Honest John rocket was the first nuclear-capable surface-to-surface rocket in the United States arsenal.The first nuclear-authorized ''guided'' missile was the MGM-5 Corporal. Originally designated Artillery Rocket XM31, the first unit was tested on 29 June 1951, with the first production rounds delivered in January 1953. Its designation was changed to M31 in September 1953. The first Army units received their rockets by year's end and Honest John battalions were deployed in Europe in early 1954. Alternatively, the rocket was capable of carrying an ordinary high-explosive warhead weighing . History and development Developed at Redstone Arsenal, Alabama, the Honest John was a large but simple fin-stabilized, unguided artillery rocket weighing in its initial M31 nuclear-armed version. Mounted on the back of a truck, the rocket was aimed in much the same way as a cannon and then fired up an elevated ramp, igniting four small spin rockets as it cleared the end of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M31 HEAT Rifle Grenade
The M31 HEAT is a fin-stabilized anti-tank rifle grenade designed in the late 1950s to replace the Belgian ENERGA rifle grenade which was adopted by the US Army and US Marines as an emergency stop-gap measure during the Korean War. Like the ENERGA, it has a nose-initiated, based-detonated HEAT warhead, but unlike the ENERGA, the mechanical impact fuse system is replaced with a less complex and more reliable piezo-electric fuse system which also allows higher angles of impact, up to 65 degrees. History The M31 was originally designed to be fired only from the M1 Garand, but could also be fired from both the M14 and M16 rifles.Article title , Limited Range Test of the M16 Rifle with Eight Types of Rifle and Hand Grenades. By Dewey Calfee. January 1965. Dir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M-31 (Michigan Highway)
M-31 was a state trunkline highway in the Lower Peninsula in the US state of Michigan. It generally ran north from Port Huron along the Lake Huron shoreline through The Thumb region before turning inland. The highway crossed The Thumb and then ran along the Saginaw Bay shoreline before running inland again, terminating at Saginaw. It was one of the original state highways signposted in 1919, but it was renumbered as other highways in 1926, decommissioning the designation in the process. Parts of its route are now M-24, M-25, M-81 and M-142. Route description M-31 started at M-21 in Port Huron and ran northward along the Lake Huron shoreline. Along the way, it intersected the western terminus of M-46 before reaching Harbor Beach. In town, the original M-27 merged in from the north, and M-27/M-31 ran concurrently westward, turning inland. The two highways separated north of Ruth as M-27 turned southward. M-31 continued across The Thumb through Bad Axe, where it ran con ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Suomi M-31 SMG
The Suomi KP/-31 ( or "Finland-submachine gun mod. 1931") is a submachine gun (SMG) of Finnish design that was mainly used during World War II. It is a descendant of the M-22 prototype and the KP/-26 production model, which was revealed to the public in 1925. It entered service in Finland in 1931, and remained in use until the 1980s. The Suomi KP/-31 is regarded by many as one of the most successful submachine guns of World War II. It also had a profound effect on the conflict beyond Finland as the Soviet authorities, who had been dismissive of submachine guns, were persuaded of their fatal efficiency by the Finnish forces in the Winter War of 1939–1940. Its 71-round drum magazine was later copied and adopted by the Soviets for their PPD-40 and PPSh-41. Though a relatively early design, the Suomi was a formidable weapon: highly controllable and with accuracy superior to that of the mass-produced PPSh-41 at the cost of a significantly higher mass to absorb recoil, with the same ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M31 (Durban)
Ethekwini (Durban metropolitan area), like most South African metropolitan areas, uses Metropolitan or "M" routes for important intra-city routes, a layer below National (N) roads and Regional (R) roads. Each city's M roads are independently numbered. Table of M roads Rd, Bulwer Rd, Cleaver Rd, Botanic Gardens Rd, cowey Rd, , , - , , , East/West, , M32 / M10 (Wiggins) – M8 – R102 – ends at Congella , , Wiggins, Glenwood, Congella, , fransisco Rd, , , - , , , East/West then North/South, , M5 (Escombe) – M22 – M20 – M5 (cosigned) – M7 – M9/M32 – M13 (cosigned) – M15 – M17 – M19 (Springfield) , , Escombe, Queensmead, Mount Vernon, Hillary, Bellair, uMkumbaan, Wiggins, Cato Crest, Waterval Park, Sparks, Sydenham, Springfield, , Stella Rd, Sarnia Rd (M5), Wakesleigh Rd, Vusi Mzemela Rd, jam smuts Hwy (M13), Brickfield Rd, Alpine Rd, , , - , , , East/West, , M8 (Bulwer) – R102 – M4 (Esplanade) , , Bulwer, Esplanade, , Che Guevara Rd, , , ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
