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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  King's Highway 35, commonly referred to as Highway 35, is a provincially maintained highway in the Canadian province of Ontario, linking Highway 401 with the Kawartha Lakes, Haliburton, and Algonquin Provincial Park. The highway travels from west of Newcastle, through Lindsay, near Fenelon Falls, Coboconk, Minden Hills, and into Haliburton before terminating at Highway 60 to the west of Algonquin Park. Within those areas, it services the communities of Orono, Cameron, Rosedale, Norland, Moore Falls, Miners Bay, Lutterworth, Carnarvon, Buttermilk Falls, Halls Lake, Pine Springs and Dorset. The winding course of the road, combined with the picturesque views offered along its length, have led some to declare it the most scenic highway in Ontario.
  
  Most of the route, including a portion of Highway 60, was assumed by the Department of Highways (DHO), predecessor to the Ministry of Transportation (MTO) by 1940. In the mid-1950s, several bypasses were constructed to divert Highway 35 away from town centres including Lindsay, Fenelon Falls and Minden. Highway 115 was built east from Enterprise Hill to Peterborough in 1953, and signed concurrently with Highway 35 south for 19 kilometres (12 mi) in 1961. This portion was widened to a divided expressway in the late 1980s. Studies are considering whether to widen the route between Enterprise Hill and Lindsay to four lanes, including reconstructing the trumpet interchange at the former. Expansion of part of the Lindsay bypass to four lanes was scheduled to begin in 2023. (Full article...)
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  Halo.Bungie.Org (HBO) is a fansite created in 1999 by Claude Errera (known online by the pseudonym "Louis Wu", a reference to Ringworld) and two associates as a news site for the Bungie video game Halo: Combat Evolved. The site was started in 1999 as Blam.bungie.org based on the project's development name before it was called Halo. The site covers all Halo properties (including those associated with 343 Industries) and posts game news, rumors, and fan art and videos.
  
  Halo.Bungie.Org grew to become the most widely read Halo fansite, receiving about 600,000 page views a day in 2007. While his cofounders ceased involvement in the site, Errera continued to update the site with the occasional assistance of others. Aside from contests, Halo.Bungie.Org also coordinates charitable endeavors and fundraisers. (Full article...)
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  State Route 276 (SR 276) was a legislated, but not constructed, state highway located in the U.S. state of Washington. The highway was meant to serve as a northern bypass of Pullman in Whitman County, traveling east from U.S. Route 195 (US 195) west of the city to SR 270 east of the city. Proposals were first drawn in 1969 for a complete ring road around Pullman, with the west side built and signed as US 195 in 1975. The northern segment of the ring road was codified in law in 1973 as SR 276, but was never constructed. In 2016, the highway was removed by the state legislature. (Full article...)
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  The Verrazzano Narrows Bridge in 2009

  
  The Verrazzano-Narrows Bridge (/ˌvɛrəˈzɑːnoʊ/ VERR-ə-ZAH-noh; also referred to as the Narrows Bridge, the Verrazzano Bridge, and simply the Verrazzano) is a suspension bridge connecting the New York City boroughs of Staten Island and Brooklyn. It spans the Narrows, a body of water linking the relatively enclosed New York Harbor with Lower New York Bay and the Atlantic Ocean. It is the only fixed crossing of the Narrows. The double-deck bridge carries 13 lanes of Interstate 278: seven on the upper level and six on the lower level. The span is named for Giovanni da Verrazzano, who in 1524 was the first European explorer to enter New York Harbor and the Hudson River.
  
  Engineer David B. Steinman proposed a bridge across the Narrows in the late 1920s, but plans were deferred over the next twenty years. A 1920s attempt to build a Staten Island Tunnel was aborted, as was a 1930s plan for vehicular tubes underneath the Narrows. Discussion of a tunnel resurfaced in the mid-1930s and early 1940s, but the plans were again denied. In the late 1940s, urban planner Robert Moses championed a bridge across the Narrows as a way to connect Staten Island with the rest of the city. Various problems delayed the start of construction until 1959. Designed by Othmar Ammann, Leopold Just, and other engineers at Ammann & Whitney, the bridge opened on November 21, 1964. The lower deck opened in 1969 to accommodate increasing traffic loads. The bridge was refurbished in the 1990s and again in the 2010s and 2020s. (Full article...)
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  Approach tracks across the River Thames

  
  Charing Cross railway station (also known as London Charing Cross) is a central London railway terminus between the Strand and Hungerford Bridge in the City of Westminster. It is the terminus of the Southeastern Main Lines to Dover via Ashford and Hastings via Tunbridge Wells. All trains are operated by Southeastern, which provides the majority of commuter and regional services to south-east London and Kent. It is connected to Charing Cross Underground station and is near to Embankment Underground station and Embankment Pier.
  
  The station was originally opened by the South Eastern Railway in 1864. It takes its name from its proximity to the road junction Charing Cross, the notional "centre of London" from which distances from the city are measured. During the 19th century the station became the main London terminus for continental traffic via boat trains, and served several prestigious international services. It was badly damaged by a roof collapse in 1905 and extensively rebuilt, subsequently becoming an important meeting point for military and government traffic during World War I. By this time, Charing Cross station was seen as out of date by some politicians and proposals were made to replace Hungerford Bridge with a road bridge or road/rail combination, with the station moving to the south bank of the River Thames in the case of a road-only replacement. The station was bombed several times during World War II, and was rebuilt afterwards, re-opening in 1951. In the late 1980s, the station complex was redesigned by Terry Farrell and rebuilt to accommodate a modern office block, now known as Embankment Place. (Full article...)
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  2023 "Cheese Grater" Mac Pro

  
  Mac Pro is a series of workstations and servers for professionals made by Apple Inc. since 2006. The Mac Pro, by some performance benchmarks, is the most powerful computer that Apple offers. It is one of four desktop computers in the current Mac lineup, sitting above the Mac Mini, iMac and Mac Studio.
  
  Introduced in August 2006, the Mac Pro was an Intel-based replacement for the Power Mac line and had two dual-core Xeon Woodcrest processors and a rectangular tower case carried over from the Power Mac G5. It was updated on April 4, 2007, by a dual quad-core Xeon Clovertown model, then on January 8, 2008, by a dual quad-core Xeon Harpertown model. Revisions in 2010 and 2012 revisions had Nehalem-EP/Westmere-EP architecture Intel Xeon processors. (Full article...)
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  K-170 is a 21.759-mile-long (35.018 km) state highway in the U.S. State of Kansas. K-170's western terminus is at K-99 about 12 miles (19 km) north of Emporia, and the eastern terminus is at K-31 on the west side of Osage City, a mile south of the K-31 intersection with U.S. Route 56 (US-56). K-170 provides access, via county roads, to Lyons County State Fishing Lake.
  
  The highway that became K-170 was first designated by 1930 as K-70, from K-11 and K-22 east to Reading. K-11 was renumbered to K-99, and K-22 was decommissioned in 1938. Then in 1946, the highway was extended east to end in Osage City. In 1957, K-70 was renumbered to K-170 to avoid a numbering confusion with Interstate 70 (I-70). (Full article...)

Selected picture

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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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  Four-stroke cycle

  Photo credit: Eric Pierce

  The four-stroke cycle of an internal combustion engine is the cycle most commonly used for automotive and industrial purposes today, including cars, trucks, and generators.
  
  The cycle was invented by Nikolaus Otto in 1876, and is also called the Otto cycle. The cycle is characterized by four strokes, or straight movements in a single direction, of the piston.
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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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  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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  Paddle steamer

  Daguerreotype credit: Unknown

  A 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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  STS-119

  Photo: NASA

  This 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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  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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  New York City Subway

  Map: CountZ

  A 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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  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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  Mazda RX-8

  Photo credit: Fir0002

  The Mazda RX-8 sports car is a front mid-engine, rear-wheel drive four-seat coupé manufactured by Mazda Motor Corporation. It is the successor to the RX-7 and, like its predecessors in the RX range, it is powered by a rotary engine. The RX-8 began North American sales in the 2004 model year.
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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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  Trojan Room coffee pot

  Picture: Quentin Stafford-Fraser

  The Trojan Room coffee pot was the inspiration for the world's first webcam. The coffee pot was located in the corridor just outside the so-called Trojan Room within the old Computer Laboratory of the University of Cambridge. The webcam was created in 1991 to help people working in other parts of the building avoid pointless trips to the coffee pot by providing, on the user's desktop computer, a live 128×128 pixel greyscale picture of the state of the coffee pot. The webcam was shut down on 22 August 2001, following the Computer Laboratory's move to the William Gates Building.
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  Stockwell Garage

  Photograph: David Iliff

  An interior view of Stockwell Garage, a large bus garage in Stockwell, London, designed by Adie, Button and Partners and opened in 1952. The 393-foot-long (120 m) roof structure, seen here, is supported by ten very shallow "two-hinged" arched ribs, between which are cantilevered barrel vaults topped by large skylights. The garage, which could originally hold 200 buses, has been a Grade II* Listed Building since 1988.
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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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  Movable type

  Photo credit: Willi Heidelbach

  A composing stick and movable type, the system of printing and typography using pieces of metal type, made by casting from matrices struck by letterpunches. The text on the stick reads, "The quick brown fox jumps over the lazy dog and feels as if he were in the seventh heaven of typography together with Hermann Zapf, the most famous artist of the" [sic].
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  M198 howitzer

  Photo credit: L Cpl. Samantha L. Jones, USMC

  Nine 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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  Rigger

  Photo credit: Alfred T. Palmer

  "Big Pete" Ramagos, rigger at work on Douglas Dam, Tennessee, June 1942. A rigger is a person or company which specializes in the lifting and/or moving of extremely large and/or heavy objects. Riggers use equipment expressly designed for moving and lifting objects where ordinary material handling equipment cannot go.
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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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  Bucket-wheel excavators

  Photograph: Raimond Spekking

  Bucket-wheel excavators (BWEs) are heavy equipment used in surface mining. The primary function of a BWE is to act as a continuous digging machine in large-scale open pit mining operations. These BWEs were photographed at the Garzweiler surface mine in Germany.
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  Australia Telescope Compact Array

  Photograph credit: John Masterson, CSIRO; restored by Bammesk

  The Australia Telescope Compact Array is a radio telescope operated by the Commonwealth Scientific and Industrial Research Organisation (CSIRO) at the Paul Wild Observatory, 25 km (16 mi) west of the town of Narrabri in New South Wales, Australia. The telescope is an array of six identical dishes each 22 metres (72 ft) in diameter, which commonly operate in aperture synthesis mode to produce images from radio waves. Five of the dishes can be moved along a 3-kilometre (2 mi) railway track; the sixth is situated three kilometres west of the end of the main track. Each dish weighs about 270 tonnes (270 long tons; 300 short tons).
  
  This photograph, showing five of the Australia Telescope Compact Array's dishes, was taken around 1984, in the late phase of the construction process. It is a long-exposure photograph taken in darkness in the late evening; during the exposure, the photographer, John Masterson, walked around the dishes firing off over 130 flashes using a hand-held flash gun.

Main topics

General images -

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

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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 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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  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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  Top 30 AI patent applicants in 2016 (from Emerging technologies)
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  Pont du Gard in France, a Roman aqueduct (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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  Newcomen steam engine for pumping mines (from History of technology)
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  Walls at Sacsayhuaman (from History of technology)
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  Solid-state air batteries
  Li-Air composition (from Emerging technologies)
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  A variety of stone tools (from History of technology)
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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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  The compartmented water wheel, here its overshot version (from History of technology)
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  NASA Fuel cell stack
  Direct-methanol cell (from Emerging technologies)
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  'BUILD YOUR OWN TELEVISION RECEIVER.' Science and Invention magazine cover, November 1928 (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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  Ford assembly line, 1913. The magneto assembly line was the first. (from History of technology)
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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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  Edison electric light bulbs 1879–80 (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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  Alessandro Volta with the first electrical battery. Volta is recognized as an influential inventor. (from Invention)
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  Agriculture preceded writing in the history of technology. (from History of technology)
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  A late Bronze Age sword or dagger blade (from History of technology)
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  3D printer (from Emerging technologies)
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  Self-replicating 3D printer (from Emerging technologies)

Did you know (auto-generated) -

• ... that it was Caltech experimental physicist Rana X. Adhikari's idea to build a gravitational-wave observatory in India?
• ... that Kathanar – The Wild Sorcerer is being shot on a custom-built studio spanning 45,000 square feet (4,200 m²), utilizing the virtual production technology?
• ... that Suresh Jadhav led the development of the COVID-19 vaccine marketed as Covishield?
• ... that Thomas Hall made an electric train that received power from the rails on which it travelled instead of onboard batteries, a new technology at the time?
• ... that Guy Parmelin, now President of Switzerland, opened the study program of cyber security of the Lucerne School of Information Technology in 2018?
• ... that Flathead Lake Biological Station can detect invasive aquatic species in real-time using eDNA technology?
• ... that touch-screen technology, pay-at-the-pump, car phones, and Coca-Cola Cherry were shown at the 1982 World's Fair?
• ... that Henry E. Sigerist felt "depressed" after reading A History of Science, Technology, and Philosophy in the 16th and 17th Centuries?

Top 10 WikiProject Technology popular articles of the month

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  YouTube is an 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 2021, there were approximately 14 billion videos in total. (Full article...)
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  Musk in 2018

  
  Elon Reeve Musk FRS (/ˈiːlɒn/; born June 28, 1971) is a businessman and investor known for his key roles in the space company SpaceX and the automotive company Tesla, Inc. Other involvements include ownership of X Corp., the company that operates the social media platform X (formerly known as Twitter), and his role in the founding of the Boring Company, xAI, Neuralink, and OpenAI. He is one of the wealthiest individuals in the world; as of August 2024 Forbes estimates his net worth to be US$247 billion. (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/ GOOG-əl) 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...)
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  An NEC pager branded by Deutsche Telekom for the Skyper pager service

  
  A pager, also known as a beeper or bleeper, is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter. (Full article...)
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  iOS 18 is the eighteenth and current major release of Apple's iOS operating system for the iPhone. It was announced on June 10, 2024, at the 2024 Worldwide Developers Conference (WWDC). It was made publicly available on September 16, 2024, as a free software update for supported iOS devices. It is the direct successor to iOS 17 and was announced alongside iPadOS 18, macOS Sequoia, watchOS 11, visionOS 2, and tvOS 18. (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. It is considered one of the Big Five American technology companies, the other four being Alphabet (parent company of Google), Apple, Meta (parent company of Facebook), and Microsoft. (Full article...)
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  Apple Park, the company's headquarters, located in Cupertino, California, in Silicon Valley

  
  Apple Inc. is an American multinational corporation and technology company headquartered and incorporated in Cupertino, California, in Silicon Valley. It is best known for its consumer electronics, software, and services. Founded in 1976 as Apple Computer Company by Steve Jobs, Steve Wozniak and Ronald Wayne, the company was incorporated by Jobs and Wozniak as Apple Computer, Inc. the following year. It was renamed Apple Inc. in 2007 as the company had expanded its focus from computers to consumer electronics. Apple is the largest technology company by revenue, with US$383.29 billion in 2023. (Full article...)

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See also: 2024 in science and technology

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)

August 21, 2024 –

With regards to the rapid growth of the artificial intelligence market, Bloomberg alleges that technology companies are "concealing their actual carbon footprints" by invoking outdated emissions accounting rules. (Bloomberg)

August 18, 2024 – Libyan crisis

The Central Bank of Libya suspends all operations following the kidnapping of the head of its information technology department by an unknown party. (Reuters)

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