Portal:Technology

 The Technology Portal 

The 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

Technology is the application of conceptual knowledge to achieve 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 prehistory, followed by the control of fire—which in turn contributed to the growth of the human brain and the development of language during the Ice Age, according to the cooking hypothesis. 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 -

Entries here consist of Good and Featured articles, which meet a core set of high editorial standards.

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  The construction of the Trans-Alaska Pipeline System included over 800 miles (1,300 km) of oil pipeline, 12 pump stations, and a new tanker port. Built largely on permafrost during 1975–77 between Prudhoe Bay and Valdez, Alaska, the $8 billion effort required tens of thousands of people, often working in extreme temperatures and conditions, the invention of specialized construction techniques, and the construction of a new road, the Dalton Highway.
  
  The first section of pipe was laid in 1975 after more than five years of legal and political arguments. Allegations of faulty welds drew intense scrutiny from local and national observers. A culture grew around the unique working conditions involved in constructing the pipeline, and each union that worked on the project had a different function and stereotype. Thirty-two Alyeska Pipeline Service Company employees and contract workers were killed during the project. The main construction effort lasted until 1977; the first barrel of oil was delivered on July 28 of that year. Several more pump stations, added as oil flow increased, were completed through 1980. (Full article...)
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  The New Waddell Dam is an embankment dam on the Agua Fria River in Maricopa County, Arizona, 35 miles (56 km) northwest of Phoenix. It serves as part of the Central Arizona Project (CAP) while also providing water for the Maricopa Water District. The dam creates Lake Pleasant with water from the Agua Fria and also the CAP aqueduct. In addition, it affords flood protection, hydroelectric power production and recreational opportunities. Construction on the dam began in 1985 and ended in 1994. Its reservoir submerged the Old Waddell Dam which was completed in 1927 after decades of planning. (Full article...)
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  New York State Route 426 (NY 426) is a state highway located entirely within Chautauqua County, New York, in the United States. It runs just over 13 miles (21 km) from one section of the Pennsylvania state line to another, passing through two small hamlets and providing the Southern Tier Expressway (Interstate 86 or I-86 and NY 17) with its westernmost exit in New York. NY 426 is the westernmost north–south state highway in New York.
  
  At both crossings of the state line it continues as Pennsylvania Route 426 (PA 426). It is the only other state highway besides NY 440 that can claim the distinction of being a middle segment of another state's similarly-numbered highway. The New York alignment has remained virtually unchanged since it was assigned as part of the 1930 renumbering of state highways in New York, while the designations of the roads it connects to in Pennsylvania have varied over the years. The two segments of PA 426 were established at different times in the 1940s. (Full article...)
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  Ranch Road 1 (RR 1) is a 6.587-mile (10.6 km) state road in Gillespie and Blanco counties, in the central region of Texas, United States. It begins at U.S. Route 290 (US 290) in Stonewall, running along the Pedernales River through Lyndon B. Johnson National Historical Park, the late President Lyndon Johnson's former ranch, and through Lyndon B. Johnson State Park and Historic Site, before terminating at US 290 near Hye. The road, designated in 1963, is the only road in the state that the Texas Department of Transportation (TxDOT) has designated as a "Ranch Road". In the earliest days of the state highway system, the route was a part of State Highway 20, and was later part of US 290 before that highway was relocated to the south. (Full article...)
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  Interstate 470 (I-470) is a 16.72-mile (26.91 km) loop of the Interstate Highway System that links southeast Kansas City to Independence via Lee's Summit in Jackson County, Missouri. The western terminus of the freeway is at the Grandview Triangle interchange with I-49, I-435, U.S. Route 50 (US 50), and US 71 while the northern terminus is a cloverleaf interchange with I-70. The freeway travels west to east through southern Kansas City, curving toward the north at the Lee's Summit Municipal Airport and becoming concurrent with Route 291 as the highway travels north toward Independence.
  
  An intermediate interchange with US 50 provides access to southern Jackson County and to Raytown to the north via Route 350, a former alignment of US 50 before the construction of I-470. Plans for a southern freeway were first published in 1955, and the first portions of I-470 were completed in 1970. By 1983, the entire freeway was open to traffic. Since construction, two new interchanges have been constructed, along with the expansion of the US 50 cloverleaf. In 2010, part of the freeway was closed by the Grandview Triangle due to a landslide underneath the freeway. Between 38,000 and 75,000 vehicles use the freeway on an average day. (Full article...)
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  Maryland Route 213 (MD 213) is a 68.25-mile (109.84 km) state highway located on the Eastern Shore of Maryland in the United States. The route runs from MD 662 in Wye Mills, Queen Anne's County, north to the Pennsylvania border near Fair Hill in Cecil County, where the road continues into that state as Pennsylvania Route 841 (PA 841). The route, which is a two-lane undivided highway most of its length, passes through mainly rural areas as well as the towns of Centreville, Chestertown, Galena, Cecilton, Chesapeake City, and Elkton. MD 213 intersects many routes including U.S. Route 50 (US 50) near Wye Mills, US 301 near Centreville, and US 40 in Elkton. It crosses over the Chesapeake & Delaware Canal in Chesapeake City on the Chesapeake City Bridge. MD 213 is designated by the state as the Chesapeake Country Scenic Byway between the southern terminus and Chesapeake City with the portion north of MD 18 in Centreville a National Scenic Byway. In addition, the route is also considered part of the Atlantic to Appalachians Scenic Byway between Chesapeake City and MD 273 in Fair Hill.
  
  The route was initially designated as U.S. Route 213 (US 213) in 1926 when the U.S. Highway System was established, running from Ocean City west and north to US 40 in Elkton. The highway was rerouted to cross the Nanticoke River in Vienna by 1933, with the former route between Mardela Springs and Eldorado becoming a part of MD 313 and the alignment between Eldorado and Rhodesdale becoming part of MD 14. US 213 was rerouted to use the Emerson C. Harrington Bridge over the Choptank River in Cambridge in 1939; the former alignment between Vienna and Easton became MD 331. Meanwhile, the road between Elkton and the Pennsylvania border became Maryland Route 280 (MD 280). US 213 was moved to a bypass of Easton and straight alignment between Easton and Wye Mills in 1948. A year later, the southern terminus was cut back to US 50 in Wye Mills, with an extended US 50 replacing US 213 between Wye Mills and Ocean City. In 1971, US 213 and MD 280 were decommissioned and replaced with MD 213. (Full article...)
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  An outbound train arrives at South Attleboro in June 2013

  
  South Attleboro station is an MBTA Commuter Rail Providence/Stoughton Line station in Attleboro, Massachusetts. It is located under Newport Avenue (Route 1A) in the South Attleboro neighborhood, just north of the Rhode Island border. The station has two side platforms serving the two tracks of the Northeast Corridor, formerly connected by a footbridge to a park-and-ride lot; only the north platform is in use.
  
  Construction of the station was approved in 1987 and completed the next year. Opening was delayed by a dispute between the Massachusetts Bay Transportation Authority (MBTA) and the Massachusetts Architectural Access Board (MAAB) because the station was not accessible. After the MBTA and MAAB reached an agreement on the length of accessible platforms, the station opened in July 1990. The footbridge was in poor condition by the 2010s, with two sets of stairs closed off. The MBTA issued a contract for design of station improvements, including a new footbridge with elevators, in 2020. The station was temporarily closed on February 26, 2021, due to structural deterioration. Demolition of the footbridge took place in 2023. The MBTA resumed limited service at the station on May 20, 2024. (Full article...)

Selected picture

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  Laptop computer

  Credit: Mike McGregor

  The OLPC XO-1 is an inexpensive subnotebook laptop computer intended to be distributed to children in developing countries.
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  Filling station

  Photograph: Uwe Aranas

  A filling station in Sabah, Malaysia, operated by Royal Dutch Shell. Filling stations, also known under a wide variety of names, are facilities that sell fuel and engine lubricants for motor vehicles. They include one or more fuel dispensers, which distribute fuels such as gasoline and diesel into the tanks within vehicles and calculate the financial cost of the fuel transferred. Filling stations may also include air compressors and electricity sockets, which may inflate tyres or offer charging stations. Many filling stations also incorporate a convenience store, where customers can purchase snacks and other goods.
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  Overhead power line

  Credit: Simon Koopmann

  An 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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  John Herschel

  Photograph: Julia Margaret Cameron; restoration: Adam Cuerden

  John 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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  Telephone

  Credit: Berthold Werner

  A 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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  Parabolic antenna

  Photo credit: Richard Bartz

  A 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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  Escalator

  Credit: Stig Nygaard

  An escalator is a moving staircase for carrying people between floors of a building. The device consists of a motor-driven chain of individual, linked steps that move up or down on tracks, allowing the step treads to remain horizontal.
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  Nice tramway

  Photograph: Myrabella

  The Nice tramway crossing Place Garibaldi, Nice, where it lowers its pantograph and is powered by batteries. This 8.7-kilometre (5.4 mi), single-line tramway is operated by Veolia Transdev. It opened on 24 November 2007, replacing bus lines 1, 2, 5 and 18.
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  MS Majesty of the Seas

  Photo credit: UpstateNYer

  MS Majesty of the Seas is a Sovereign class cruise ship owned and operated by Royal Caribbean International, a cruise line based in Miami, Florida. Her sister ship MS Sovereign of the Seas was the largest cruise ship in the world at the time of its completion in 1988.
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  Commodore 64

  Photo: Evan Amos

  The Commodore 64 is an 8-bit home computer introduced in 1982 by Commodore International. Its low retail price and easy availability led to the system becoming the market leader for three years. It remains the best-selling single personal computer model of all time.
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  Blender (software)

  Image credit: Michael Otto

  A 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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  Sukhoi Superjet 100

  Photograph: Katsuhiko Tokunaga/SuperJet International

  The Sukhoi Superjet 100 is a modern fly-by-wire twin-engine regional jet with 8 to 108 passenger seats. Development began in 2000; the aircraft had its maiden flight on 19 May 2008 and entered commercial service on 21 April 2011. This aircraft is seen flying off the coast of Italy near Sanremo.
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  Wheel

  Credit: fir0002

  A 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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  Eiffel Tower

  Photo: Benh Lieu Song

  The Eiffel Tower as seen from the Champ de Mars. At 324 metres (1,063 ft) tall, the tower, an iron lattice tower, is the tallest building in Paris, the most-visited paid monument in the world, as well as one of the most recognizable structures in the world. Named after its designer, Gustave Eiffel, it was built as an entrance arch for the 1889 Exposition Universelle and has since become the most prominent symbol of both Paris and France.
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  Let L-410 Turbolet

  Photo: Łukasz Golowanow

  The Let L-410 Turbolet is a twin-engined short-range transport aircraft, manufactured by the Czech aircraft manufacturer LET, mostly used for passenger transport. The L-410 first flew in 1969, and with more than 1100 produced, is the most popular 19-seat plane in history.
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  William Crooks

  Photograph: National Photo Company, Restoration: Adam Cuerden

  The 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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  Assut de l'Or Bridge

  Photograph: Diego Delso

  The Assut de l'Or Bridge is a white single-pylon cable-stayed bridge in the City of Arts and Sciences, Valencia, Spain. Completed in 2008, it was designed by Valencian architect and civil engineer Santiago Calatrava as a variant of his cantilever spar cable-stayed bridge in Seville.
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  Ruby Loftus Screwing a Breech Ring

  Painting: Laura Knight

  Ruby Loftus Screwing a Breech Ring is a 1943 painting by the British painter Laura Knight depicting a young woman, Ruby Loftus (1921–2004), working at an industrial lathe as part of the British war effort in World War II. The painting was commissioned by the War Artists' Advisory Committee, and is now part of the Imperial War Museum's art collection. The painting brought instant fame to Loftus, and has been likened to the American figure of "Rosie the Riveter".
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  Thomas Edison

  Photo: Bachrach Studios; Restoration: Michel Vuijlsteke

  Thomas 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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  Burj Khalifa

  Photograph: Donald Y Tong

  Burj Khalifa is a skyscraper in Dubai, United Arab Emirates, and currently the tallest man-made structure in the world, at 829.8 m (2,722 ft). It was designed to be the centerpiece of a large-scale, mixed-use development known as Downtown Dubai. Construction took over five years, and the skyscraper was officially opened in January 2010.

Main topics

General images -

The following are images from various technology-related articles on Wikipedia.

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  'BUILD YOUR OWN TELEVISION RECEIVER.' Science and Invention magazine cover, November 1928 (from Invention)
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  Ford assembly line, 1913. The magneto assembly line was the first. (from History of technology)
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  3D printer (from Emerging technologies)
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  Solid-state air batteries
  Li-Air composition (from Emerging technologies)
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  NASA Fuel cell stack
  Direct-methanol cell (from Emerging technologies)
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  Johannes Gutenberg's printing press was voted the most important invention of the second millennium. (from Invention)
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  The compartmented water wheel, here its overshot version (from History of technology)
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  The 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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  A variety of stone tools (from History of technology)
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  A late Bronze Age sword or dagger blade (from History of technology)
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  Pont du Gard in France, a Roman aqueduct (from History of technology)
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  Newcomen steam engine for pumping mines (from History of technology)
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  Thomas Edison with his second phonograph, photographed by Levin Corbin Handy in Washington, April 1878 (from History of technology)
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  Top 30 AI patent applicants in 2016 (from Emerging technologies)
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  An axehead made of iron, dating from the Swedish Iron Age (from History of technology)
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  Design for a flying machine (c.1488) by da Vinci (from History of technology)
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  Alessandro Volta with the first electrical battery. Volta is recognized as an influential inventor. (from Invention)
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  A water-powered mine hoist used for raising ore, ca. 1556 (from History of technology)
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  Walls at Sacsayhuaman (from History of technology)
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  Edison electric light bulbs 1879–80 (from History of technology)
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  Agriculture preceded writing in the history of technology. (from History of technology)
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  A 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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  The preserved Rocket (from History of technology)
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  Eric M. C. Tigerstedt (1887–1925) was known as a pioneer of sound-on-film technology. Tigerstedt in 1915. (from Invention)
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  Dome of Florence Cathedral (from History of technology)
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  Clock from Salisbury Cathedral, ca. 1386 (from History of technology)
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  Self-replicating 3D printer (from Emerging technologies)

Did you know (auto-generated) -

• ... that Peter Corby's electric trouser press used technology designed for Concorde?
• ... that several science fiction critics praised "Rock Diver", the first short story by American writer Harry Harrison, for its compelling take on technology for passing through matter?
• ... that Mary Earle was born near Ben Nevis, and although she became a professor of food technology in New Zealand, she never forgot her Scottish roots?
• ... that Flathead Lake Biological Station can detect invasive aquatic species in real-time using eDNA technology?
• ... that Criccieth Castle combined the "latest advances in military technology" with the "haphazard Welsh castle building style"?
• ... that OPTi Inc. won a patent suit against Apple for unauthorized use of "predictive snooping" technology?
• ... that ice XVII (structure shown) potentially has a use in green technology as a medium for storing hydrogen?
• ... that touch-screen technology, pay-at-the-pump, car phones, and Coca-Cola Cherry were shown at the 1982 World's Fair?

Top 10 WikiProject Technology popular articles of the month

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  Musk in 2018

  
  Elon Reeve Musk FRS (/ˈiːlɒn/; born June 28, 1971) is a businessman known for his key roles in the space company SpaceX and the automotive company Tesla, Inc. His other involvements include ownership of X Corp., the company that operates the social media platform X (formerly Twitter), and his role in the founding of the Boring Company, xAI, Neuralink, and OpenAI. Musk is the wealthiest individual in the world; as of November 2024, Forbes estimates his net worth to be US$323 billion. (Full article...)
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  YouTube search results

  
  YouTube is an American social media and online video sharing platform owned by Google. YouTube was founded 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. In January 2024, YouTube had more than 2.7 billion monthly active users, who collectively watched more than one billion hours of videos every day. As of May 2019, videos were being uploaded to the platform at a rate of more than 500 hours of content per minute, and as of 2023, there were approximately 14 billion videos in total. (Full article...)
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  ChatGPT is a generative artificial intelligence (AI) chatbot developed by OpenAI and launched in 2022. It is based on the GPT-4o large language model (LLM). ChatGPT can generate human-like conversational responses, and enables users to refine and steer a conversation towards a desired length, format, style, level of detail, and language. It is credited with accelerating the AI boom, which has led to ongoing rapid investment in and public attention to the field of artificial intelligence. Some observers have raised concern about the potential of ChatGPT and similar programs to displace human intelligence, enable plagiarism, or fuel misinformation. (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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  Facebook is a social media and social networking service owned by 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. As of December 2022, Facebook claimed almost 3 billion monthly active users. As of October 2023, Facebook ranked as the third-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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  The Google logo used since 2015

  
  Google LLC (/ˈɡuːɡəl/ GOO-gəl) is an American-based 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...)
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  The Doppler building in Seattle,
  Amazon's headquarters

  
  Amazon.com, Inc., doing business as Amazon (/ˈæməzɒn/, AM-ə-zon; UK also /ˈæməzən/, AM-ə-zən), is an American multinational technology company engaged in e-commerce, cloud computing, online advertising, digital streaming, and artificial intelligence. Founded in 1994 by Jeff Bezos in Bellevue, Washington, the company originally started as an online marketplace for books but gradually expanded its offerings to include a wide range of product categories, referred to as "The Everything Store". Today, Amazon is considered one of the Big Five American technology companies, the other four being Alphabet, Apple, Meta, and Microsoft. (Full article...)
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  Artificial 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 that enable machines to perceive their environment and use 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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  Logo used since 2014

  
  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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  Since late 2009, the headquarters of the Internet Archive has been the building that formerly housed the Fourth Church of Christ, Scientist in San Francisco, California.

  
  
  The Internet Archive is an American non-profit organization founded in 1996 by Brewster Kahle that runs a digital library website, archive.org. It provides free access to collections of digitized media including websites, software applications, music, audiovisual, and print materials. The Archive also advocates a free and open Internet. Its mission is committing to provide "universal access to all knowledge". (Full article...)

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See also: 2024 in science and technology

November 16, 2024 – 2024 Wuxi stabbing attack

Eight people are killed and 17 others are injured in a stabbing spree at the Wuxi Institute of Technology in Yixing, Jiangsu, China. The suspect, a 21-year-old student, is arrested. (CNN) (Reuters)

September 23, 2024 –

Swedish lithium-ion technology developer Northvolt announces revised company operational scopes and its intention to layoff 1,600 workers in the country. (CBC)

September 13, 2024 – Russian invasion of Ukraine

Reuters reports that Russia has begun production of thousands of Garpiya-A1 long-range combat drones used against Ukrainian civilian and military targets, that incorporate engines, parts, and technology from China. (Reuters)

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