Portal:Technology
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The Technology Portal
Technology is the application of conceptual knowledge for achieving practical goals, especially in a reproducible way. The word technology can also mean the products resulting from such efforts, including both tangible tools such as utensils or machines, and intangible ones such as software. Technology plays a critical role in science, engineering, and everyday life.
Technological advancements have led to significant changes in society. The earliest known technology is the stone tool, used during prehistoric times, followed by the control of fire, which contributed to the growth of the human brain and the development of language during the Ice Age. The invention of the wheel in the Bronze Age allowed greater travel and the creation of more complex machines. More recent technological inventions, including the printing press, telephone, and the Internet, have lowered barriers to communication and ushered in the knowledge economy. (Full article...)
Recognized articles - load new batch
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Image 1
The A1 motorway (Croatian: Autocesta A1) is the longest motorway in Croatia, spanning 476.3 kilometers (296.0 mi). As it connects the nation's capital Zagreb to the second largest city Split, the motorway represents a major north–south transportation corridor in Croatia and a significant part of the Adriatic–Ionian motorway. Apart from Zagreb and Split, the A1 motorway runs near a number of major Croatian cities, provides access to several national parks or nature parks, world heritage sites, and numerous resorts, especially along the Adriatic Coast. National significance of the motorway is reflected through its positive economic impact on the cities and towns it connects as well as its importance to tourism in Croatia.
The motorway consists of two traffic lanes and an emergency lane in each driving direction separated by a central reservation. All intersections of the A1 motorway are grade separated. As the route traverses rugged mountainous and coastal terrain, it has required 376 bridges, viaducts, tunnels and other similar structures in sections completed , including the two longest tunnels in Croatia and two bridges comprising spans of 200 meters (660 ft) or more. There are 33 exits and 26 rest areas operating along the route. As the motorway is tolled using a ticket system and vehicle classification in Croatia, each exit includes a toll plaza. (Full article...) -
Image 2State Route 161 (SR 161) is an east–west state highway in central Ohio. Its western terminus is in Mutual at State Route 29 and its eastern terminus is near Alexandria at State Route 37. It is 57.46 miles (92.47 km) long. State Route 161 passes through the northern parts of Columbus, Ohio's state capital, and a variety of towns including Plain City, Dublin, and New Albany.
The route was established in 1924 to connect Plain City and Dublin. It was later expanded to cover Mutual and Granville. Parts of SR 161 in Dublin and New Albany were upgraded to a freeway in 1969 and 1997. (Full article...) -
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Frequent Express (FX) is a high-capacity bus service with some bus rapid transit (BRT) features in Portland, Oregon, United States. Operated by TriMet as FX2–Division, the 15-mile (24 km) route runs east–west from 5th & Hoyt on the Portland Transit Mall in downtown Portland to Cleveland Avenue Park and Ride in Gresham via Division Street. It connects Portland City Center, Portland State University (PSU), South Waterfront, Southeast Portland, and central Gresham, with transfers to MAX Light Rail and the Portland Streetcar.
FX features some BRT design elements such as dedicated lanes, transit signal priority, and 60-foot (18 m) buses with all-door boarding. It is the second such service in the Portland metropolitan area after The Vine in Vancouver, Washington. Fares are collected through the Hop Fastpass payment system. (Full article...) -
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The Delaware State Route System consists of roads in the U.S. state of Delaware that are maintained by the Delaware Department of Transportation (DelDOT). The system includes the portions of the Interstate Highway System and United States Numbered Highways system located in the state along with state routes and other roads maintained by DelDOT. All roads maintained by the state are assigned a maintenance road number (reference number) that is only marked on little white markers at intersections and on auxiliary plates below warning signs approaching intersections. These numbers are only unique in a specific county; some roads can be designated with multiple road numbers, and numbers do not necessarily correspond to the signed Interstate, U.S., or state route numbers. DelDOT maintains a total of 5,386.14 miles (8,668.15 km) of roads, comprising 89 percent of the roads within the state. Some large bridges in the state are maintained by other agencies including the U.S. Army Corps of Engineers and the Delaware River and Bay Authority. Roads in the system include multilane freeways, multilane surface divided highways, and two-lane undivided roads serving urban, suburban, and rural areas. Some of the roads maintained by DelDOT are toll roads, in which motorists must pay to use.
The first roads in Delaware were Native American trails and unpaved roads laid out by colonial Swedish and English settlers. From this time, counties were responsible for roads. In the 19th century, private companies operated several turnpikes radiating from Wilmington. Thomas Coleman DuPont proposed a modern road in 1908 to run the north–south length of the state; this road evolved into the DuPont Highway, which was completed by the state in 1923. The Delaware State Highway Department was formed on April 2, 1917 to construct a state highway system in Delaware. Numbered routes came with the creation of the U.S. Highway System in 1926; state route numbers appeared 10 years later. In 1935, the state took over the remaining county roads. In the middle part of the 20th century, several major roads were widened into divided highways. The creation of the Interstate Highway System in 1956 led to the construction of 40 miles (64 km) of freeway in northern New Castle County, including the tolled Delaware Turnpike. The Delaware Route 1 (DE 1) limited-access toll road between Dover and Wilmington was fully completed in 2003, and was the largest public works project in state history. (Full article...) -
Image 5New York State Route 132 (NY 132) is a 2.75-mile (4.43 km) state highway located entirely within the town of Yorktown in Westchester County, New York, in the United States. The route acts as a connector between the concurrency of U.S. Route 202 (US 202) and NY 35 in the south and US 6 in the hamlet of Shrub Oak in the north. When the route was assigned as part of the 1930 renumbering of state highways in New York, it continued southeast to the hamlet of Katonah. It was cut back to its current southern terminus in the early 1940s and extended one block northward to its present length between 1968 and 1973. (Full article...)
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Image 6New York State Route 32B (NY 32B) was a state highway in the Capital District region of New York, in the United States. The western terminus of the route was at an intersection with NY 32 in Queensbury. Its eastern terminus was at a junction with U.S. Route 4 (US 4) in Hudson Falls. NY 32B, named Warren Street in Queensbury and River Street in Hudson Falls, ran along the banks of the Hudson River as it went from Glens Falls to Hudson Falls. It crossed over the Glens Falls Feeder Canal near its junction with NY 32 in Queensbury.
When NY 32B was assigned as part of the 1930 renumbering of state highways in New York, it began at an intersection with US 4 and NY 32 in Northumberland and ended at US 9 in Glens Falls. The portion of the route between Northumberland and Hudson Falls was concurrent with US 4 upon assignment while the segment west of Boulevard in Queensbury became concurrent with NY 32 in 1949. NY 32B was truncated north to Hudson Falls in the early 1940s and east to Boulevard c. 1962. The route was partially replaced with NY 254 c. 1965. (Full article...) -
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Bayswater railway station is a suburban rail station in Bayswater, a suburb of Perth, Western Australia. It is the junction station for Transperth's Midland and Airport lines, and the Morley–Ellenbrook line when it opens in late 2024.
The station first opened in 1896 on the Perth to Midland railway with two side platforms and an adjacent goods yard. It served as the junction station for the Belmont spur line between 1896 and 1956. Bayswater station was rebuilt as an island platform just to the north in the late 1960s when the Midland line was converted from narrow gauge to dual gauge; the standard gauge trains were unable to fit between the side platforms. Around that time, the goods yard closed. (Full article...)
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Image 1Photo: Bachrach Studios; Restoration: Michel VuijlstekeThomas Edison (1847–1931) was an American inventor, scientist and businessman who developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb. Dubbed "The Wizard of Menlo Park" (now Edison, New Jersey) by a newspaper reporter, he was one of the first inventors to apply the principles of mass production and large teamwork to the process of invention, and therefore is often credited with the creation of the first industrial research laboratory. Edison is considered one of the most prolific inventors in history, holding 1,093 U.S. patents in his name, as well as many patents in the United Kingdom, France and Germany.
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Image 2An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy along large distances. It consists of one or more conductors suspended by towers or utility poles.
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Image 3Photo credit: Christian KuhnaThe rotor of a modern steam turbine , which converts steam (heat) energy into kinetic (mechanical) energy. The steam path is from the smallest blade, expanding through progressively larger blade elements. Steam turbines are used in power plants to extract mechanical work from pressurized steam and benefit from their high efficiency and high power-to-weight ratio compared to other technologies, leading to their widespread deployment from electricity generation to marine propulsion.
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Image 4A transit map of the New York City Subway, one of the oldest and most extensive public transportation systems in the world. Operated by the Metropolitan Transportation Authority of the State of New York, it has 468 stations in operation on 209 mi (337 km) of routes, with 842 miles (1,355 km) of track. It is the busiest rapid transit rail system by annual ridership in the Western Hemisphere, and fifth busiest in the world. Its stations are located throughout the boroughs of Manhattan, Brooklyn, Queens and the Bronx. Staten Island has its own rail line which is not part of the system, but is included in the map as well.
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Image 5Credit: Berthold WernerA telephone, or phone, is a telecommunications device that converts sound, typically the human voice, into electronic signals suitable for transmission via cables or other transmission media over long distances through satellite.
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Image 6A billet of enriched uranium, which is uranium where the percent composition of uranium-235 (235U) has been increased through the process of isotope separation. Enriched uranium is a critical component for both civil nuclear power generation and military nuclear weapons.
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Image 8This photo of the International Space Station (ISS) was taken during STS-119, a Space Shuttle mission that delivered and assembled the fourth starboard Integrated Truss Segment, and the final set of solar arrays and batteries to the station. Construction of the ISS is still ongoing and is scheduled to complete in December 2011.
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Image 9Photo credit: Marshall Space Flight CenterA test firing of twin linear XRS-2200 aerospike engines, originally built for the Lockheed Martin X-33, a next-generation, commercially operated reusable launch vehicle. The aerospike engine is a type of rocket engine that maintains its efficiency across a wide range of altitudes through the use of an aerospike nozzle. A vehicle with an aerospike engine uses 25-30% less fuel at low altitudes, where most missions have the greatest need for thrust.
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Image 10Photograph credit: Unknown; restored by Adam CuerdenGeorge Washington Carver (1860s–1943) was an American agricultural scientist and inventor. Born into slavery in Diamond, Missouri, he was raised by his master Moses Carver after being emancipated, having been separated from his parents as an infant during a kidnapping incident. After college, Carver became a professor at Tuskegee Institute, where he developed techniques to improve soils depleted by repeated plantings of cotton. He wanted poor farmers to grow alternative crops, such as peanuts and sweet potatoes, as a source of their own food and to improve their quality of life. Carver spent years developing and promoting products made from peanuts, although none became commercially successful. Apart from his work to improve the lives of farmers, he was also a leader in promoting environmentalism. Carver received numerous honors for his work, including the NAACP's Spingarn Medal. In an era of very high racial polarization, his fame reached beyond the black community; he was widely recognized and praised in the white community for his many achievements and talents. In 1941, Time magazine dubbed Carver a "black Leonardo".
This picture of Carver was taken around 1910 and is in the collection of the Tuskegee University archives. -
Image 11Photo credit: Richard BartzA parabolic antenna, a high-gain reflector antenna used for radio, television and data communications, at Erdfunkstelle Raisting, the largest facility for satellite communication in the world, based in Raisting, Bavaria, Germany. Parabolic antennas work by reflecting electromagnetic radiation off the paraboloid dish to or from the feed horn (center), for reception or transmission respectively.
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Image 12Photograph: National Photo Company, Restoration: Adam CuerdenThe William Crooks is a 4-4-0 steam locomotive that was the first locomotive to operate in the U.S. state of Minnesota, beginning in 1861. It was named after William Crooks, the chief mechanical engineer for the St. Paul and Pacific Railroad, who earlier served as a colonel in the 6th Minnesota Volunteer Infantry Regiment during the American Civil War. Crooks laid out the initial ten-mile track between Minneapolis and St. Paul on which the locomotive operated. It was retired from regular service in 1897, but operated special services for several further decades. It is now in the Lake Superior Railroad Museum in Duluth.
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Image 13Photo credit: Gretar ÍvarssonThe Nesjavellir geothermal power plant, located near Þingvellir, Iceland is the largest of five such plants in the country. Because of the high concentration of volcanoes in Iceland, geothermal energy is so inexpensive that in the wintertime, some pavements in Reykjavík and Akureyri are heated.
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Image 14Diagram: H Padleckas and Ju gatsu mikkaA diagram showing a side and underside view of an 18-wheeler semi-trailer truck with an enclosed cargo space. The underside view shows the arrangement of the wheels, and in blue, the axles, drive shaft, and differentials.
The numbered parts are:
'"`UNIQ--templatestyles-00000018-QINU`"'
#tractor unit
#semi-trailer (detachable)
#engine compartment
#cabin
#sleeper (not present in all trucks)
#air dam
#fuel tanks
#fifth-wheel coupling
#enclosed cargo space
#landing gear (legs for when semi-trailer is detached)
#tandem axles -
Image 15Daguerreotype credit: UnknownA daguerreotype from the 1850s of the Ben Campbell, a paddle steamer—a ship or boat driven by a steam engine that uses one or more paddle wheels to develop thrust for propulsion. The paddle wheel was the first form of mechanical propulsion for a boat, but has now been almost entirely superseded by more modern forms of marine propulsion.
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Image 16Photo credit: L Cpl. Samantha L. Jones, USMCNine Marines from Mike Battery, 4th Battalion, 14th Marines operate the 155mm M198 howitzer in November 2004. The battery was based at Camp Fallujah, Iraq and was supporting Operation Phantom Fury. All nine members of the M198 crew are present.
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Image 17Credit: Mike McGregorThe OLPC XO-1 is an inexpensive subnotebook laptop computer intended to be distributed to children in developing countries.
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Image 18Photograph: Julia Margaret Cameron; restoration: Adam CuerdenJohn Herschel was an English mathematician, astronomer, chemist, inventor, and experimental photographer. He named seven moons of Saturn and four moons of Uranus, invented the cyanotype and actinometer, and wrote extensively on topics including meteorology, physical geography and the telescope.
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Image 19Image credit: Michael OttoA pastoral scene of a lone house, composed using Blender, an open source 3D computer graphics software. Blender can be used for a number of applications and is available for a wide variety of operating systems.
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Image 20A wheel is a circular component that is intended to rotate on an axial bearing. The wheel is one of the main components of the wheel and axle which is one of the six simple machines.
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General images - load new batch
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Image 1The preserved Rocket (from History of technology)
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Image 3A variety of stone tools (from History of technology)
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Image 4'BUILD YOUR OWN TELEVISION RECEIVER.' Science and Invention magazine cover, November 1928 (from Invention)
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Image 6Thomas Edison with his second phonograph, photographed by Levin Corbin Handy in Washington, April 1878 (from History of technology)
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Image 7Top 30 AI patent applicants in 2016 (from Emerging technologies)
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Image 8Newcomen steam engine for pumping mines (from History of technology)
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Image 10Ford assembly line, 1913. The magneto assembly line was the first. (from History of technology)
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Image 11Walls at Sacsayhuaman (from History of technology)
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Image 12Edison electric light bulbs 1879–80 (from History of technology)
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Image 13Agriculture preceded writing in the history of technology. (from History of technology)
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Image 16Eric M. C. Tigerstedt (1887–1925) was known as a pioneer of sound-on-film technology. Tigerstedt in 1915. (from Invention)
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Image 20The wheel, invented sometime before the 4th millennium BC, is one of the most ubiquitous and important technologies. This detail of the "Standard of Ur", c. 2500 BCE., displays a Sumerian chariot. (from History of technology)
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Image 21A rare 1884 photo showing the experimental recording of voice patterns by a photographic process at the Alexander Graham Bell Laboratory in Washington, D.C. Many of their experimental designs panned out in failure. (from Invention)
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Image 233D printer (from Emerging technologies)
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Image 25Self-replicating 3D printer (from Emerging technologies)
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Image 27Alessandro Volta with the first electrical battery. Volta is recognized as an influential inventor. (from Invention)
Did you know (auto-generated) - load new batch
- ... that Turkey's Anadolu Shipyard signed a contract with India's Hindustan Shipyard to transfer technology for the building of five fleet support ships for the Indian Navy?
- ... that Research Policy is regarded as the leading journal in the field of innovation studies?
- ... that ice XVII (structure shown) potentially has a use in green technology as a medium for storing hydrogen?
- ... that Pamela McCorduck, who chronicled the evolution of artificial intelligence, regretted not recognizing the technology's potential for misuse?
- ... that Justin Yu, the current Classic Tetris World Champion, is also a cellist in MIT's video game orchestra?
- ... that the Atari 410 Program Recorder was used to store programs on the Atari 8-bit family, but was also used for computer aided instruction?
- ... that Peter Corby's electric trouser press used technology designed for Concorde?
- ... that when Chorus Systèmes SA was founded in 1986, French technology start-up companies were rare?
Top 10 WikiProject Technology popular articles of the month
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YouTube is an American online video sharing platform owned by Google. Accessible worldwide, it was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of PayPal. Headquartered in San Bruno, California, United States, it is the second most visited website in the world, after Google Search. YouTube has more than 2.5 billion monthly users, who collectively watch more than one billion hours of videos every day. , videos were being uploaded to the platform at a rate of more than 500 hours of content per minute, and as of 2021, there were approximately 14 billion videos in total. (Full article...) -
Image 2Facebook is a social media and social networking service owned by the American technology conglomerate Meta. Created in 2004 by Mark Zuckerberg with four other Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, its name derives from the face book directories often given to American university students. Membership was initially limited to Harvard students, gradually expanding to other North American universities. Since 2006, Facebook allows everyone to register from 13 years old, except in the case of a handful of nations, where the age limit is 14 years. , Facebook claimed almost 3 billion monthly active users. As of October 2023, Facebook ranked as the 3rd most visited website in the world, with 22.56% of its traffic coming from the United States. It was the most downloaded mobile app of the 2010s. (Full article...)
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ChatGPT is a chatbot developed by OpenAI and launched on November 30, 2022. Based on large language models (LLMs), it enables users to refine and steer a conversation towards a desired length, format, style, level of detail, and language. Successive user prompts and replies are considered at each conversation stage as context. (Full article...) -
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WhatsApp (officially WhatsApp Messenger) is an instant messaging (IM) and voice-over-IP (VoIP) service owned by technology conglomerate Meta. It allows users to send text, voice messages and video messages, make voice and video calls, and share images, documents, user locations, and other content. WhatsApp's client application runs on mobile devices, and can be accessed from computers. The service requires a cellular mobile telephone number to sign up. In January 2018, WhatsApp released a standalone business app called WhatsApp Business which can communicate with the standard WhatsApp client. (Full article...) -
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Elon Reeve Musk (/ˈiːlɒn/ EE-lon; born June 28, 1971) is a businessman and investor. He is the founder, chairman, CEO, and CTO of SpaceX; angel investor, CEO, product architect, and former chairman of Tesla, Inc.; owner, executive chairman, and CTO of X Corp.; founder of the Boring Company and xAI; co-founder of Neuralink and OpenAI; and president of the Musk Foundation. He is one of the wealthiest people in the world; , Forbes estimates his net worth to be $178 billion. (Full article...) -
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X, commonly referred to by its former name Twitter, is a social media website based in the United States. With over 500 million users, it is one of the world's largest social networks and the fifth-most visited website in the world. Users can share text messages, images, and videos through posts (originally called "tweets"). X also includes direct messaging, video and audio calling, bookmarks, lists and communities, and Spaces, a social audio feature. Users can vote on context added by approved users using the Community Notes feature. (Full article...) -
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Google LLC (/ˈɡuːɡəl/ ⓘ, GOO-ghəl) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial intelligence (AI). It has been referred to as "the most powerful company in the world" and is one of the world's most valuable brands due to its market dominance, data collection, and technological advantages in the field of AI. Google's parent company, Alphabet Inc. is one of the five Big Tech companies, alongside Amazon, Apple, Meta, and Microsoft. (Full article...) -
Image 8Artificial intelligence (AI), in its broadest sense, is intelligence exhibited by machines, particularly computer systems. It is a field of research in computer science that develops and studies methods and software which enable machines to perceive their environment and uses learning and intelligence to take actions that maximize their chances of achieving defined goals. Such machines may be called AIs. (Full article...)
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Netflix is an American subscription video on-demand over-the-top streaming service. The service primarily distributes original and acquired films and television shows from various genres, and it is available internationally in multiple languages. (Full article...) -
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Samuel Benjamin Bankman-Fried (born March 5, 1992), commonly known as SBF, is an American entrepreneur who was convicted of fraud and related crimes in November 2023. Bankman-Fried founded the FTX cryptocurrency exchange and was celebrated as a "poster boy" for crypto. At the peak of his net worth, he was ranked the 41st-richest American in the Forbes 400. (Full article...)
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- February 27, 2024 –
- Japanese technology company Sony announces it will cut 900 jobs across its global workforce and has also proposed the closure of London Studio as part of the restructuring. (Sony Interactive Entertainment press release)
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