Portal:Technology
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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...)
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National Airlines Flight 2511 was a United States domestic passenger flight from New York City to Miami, Florida. On January 6, 1960, the Douglas DC-6 serving the flight exploded in midair. The National Airlines aircraft was carrying 5 crew members and 29 passengers, all of whom perished. The Civil Aeronautics Board investigation concluded that the plane was brought down by a bomb made of dynamite. No criminal charges were ever filed, nor was the blame for the bombing ever determined, though a suicide bombing is suspected. The investigation remains open.
One of the victims was retired U.S. Navy Vice Admiral Edward Orrick McDonnell, a Medal of Honor recipient and veteran of both World Wars. (Full article...) -
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The Pakenham line is a commuter railway line in the city of Melbourne, Victoria, Australia. Operated by Metro Trains Melbourne, it is the city's longest metropolitan railway line at 57 kilometres (35 mi). The line runs from Flinders Street station in central Melbourne to East Pakenham station in the south-east, serving 27 stations via the City Loop, South Yarra, Caulfield, Oakleigh, and Dandenong. The line operates for approximately 20 hours a day (from approximately 4:00 am to around midnight) with 24 hour service available on Friday and Saturday nights. During peak hour, headways of up to 5 to 10 minutes are operated with services every 20 minutes during off-peak hours. Trains on the Pakenham line run with a seven-car formation operated by High Capacity Metro Trains.
Sections of the Pakenham line opened as early as 1859, with the line fully extended to Pakenham in October 1877. A limited number of stations were first opened, with infill stations progressively opened between 1879 and 2012. The line was built to connect Melbourne with the rural towns of Caulfield, Oakleigh, and Dandenong, amongst others. Significant growth has occurred since opening, with an extension to open on the Pakenham line one stop east to a new station in Pakenham East as part of the Level Crossing Removal Project. This extension opened on 3 June 2024. (Full article...) -
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Piccadilly (/ˌpɪkəˈdɪli/) is a road in the City of Westminster, London, England, to the south of Mayfair, between Hyde Park Corner in the west and Piccadilly Circus in the east. It is part of the A4 road that connects central London to Hammersmith, Earl's Court, Heathrow Airport and the M4 motorway westward. St James's is to the south of the eastern section, while the western section is built up only on the northern side. Piccadilly is just under 1 mile (1.6 km) in length, and it is one of the widest and straightest streets in central London.
The street has been a main thoroughfare since at least medieval times, and in the Middle Ages was known as "the road to Reading" or "the way from Colnbrook". Around 1611 or 1612, Robert Baker acquired land in the area, and prospered by making and selling piccadills. Shortly after purchasing the land, he enclosed it and erected several dwellings, including his home, Pikadilly Hall. What is now Piccadilly was named Portugal Street in 1663 after Catherine of Braganza, wife of Charles II, and grew in importance after the road from Charing Cross to Hyde Park Corner was closed to allow the creation of Green Park in 1668. Some of the most notable stately homes in London were built on the northern side of the street during this period, including Clarendon House and Burlington House in 1664. Berkeley House, constructed around the same time as Clarendon House, was destroyed by a fire in 1733 and rebuilt as Devonshire House in 1737 by William Cavendish, 3rd Duke of Devonshire. It was later used as the main headquarters for the Whig party. Burlington House has since been home to several noted societies, including the Royal Academy of Arts, the Geological Society of London, the Linnean Society, and the Royal Astronomical Society. Several members of the Rothschild family had mansions at the western end of the street. St James's Church was consecrated in 1684 and the surrounding area became St James Parish. (Full article...) -
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John Glenn Columbus International Airport (IATA: CMH, ICAO: KCMH, FAA LID: CMH) is an international airport located 6 miles (9.7 km; 5.2 nmi) east of downtown Columbus, Ohio. Formerly known as Port Columbus International Airport, it is managed by the Columbus Regional Airport Authority, which also oversees operations at Rickenbacker International Airport and Bolton Field. The airport code "CMH" stands for "Columbus Municipal Hangar," the original name of the airport.
John Glenn Columbus International Airport is primarily a passenger airport. It provides 148 non-stop flights to 31 airports via nine airlines daily. (Full article...) -
Image 5Blade Runner 2049 is a 2017 American epic neo-noir science fiction film directed by Denis Villeneuve from a screenplay by Hampton Fancher and Michael Green, based on a story by Fancher. A sequel to Blade Runner (1982), the film stars Ryan Gosling and Harrison Ford, with Ana de Armas, Sylvia Hoeks, Robin Wright, Mackenzie Davis, Dave Bautista, and Jared Leto in supporting roles. Ford and Edward James Olmos reprise their roles from the previous film as Rick Deckard and Gaff, respectively. Gosling plays K, a "blade runner" who uncovers a secret that threatens to destabilize society and the course of civilization.
Ideas for a Blade Runner sequel were first proposed in the 1990s, but licensing issues stalled their development. Andrew Kosove and Broderick Johnson obtained the film rights from Bud Yorkin. Ridley Scott stepped down as the film's initial director and worked as an executive producer, while Villeneuve was later appointed to direct. Blade Runner 2049 was financed through a partnership between Alcon Entertainment and Sony Pictures, as well as a Hungarian government-funded tax rebate. Warner Bros., who had distributed its predecessor, released the film on behalf of Alcon in North America, while Sony handled distribution in international markets. Principal photography took place mostly at two soundstages in Budapest over four months from July to November 2016. (Full article...) -
Image 6Skerryvore (from the Gaelic An Sgeir Mhòr meaning "The Great Skerry") is a remote island that lies off the west coast of Scotland, 11 nautical miles (20 kilometres) southwest of Tiree. Skerryvore Lighthouse is located on these rocks, built with some difficulty between 1838 and 1844 by Alan Stevenson.
At a height of 156 feet (48 metres) it is the tallest lighthouse in Scotland. The shore station was at Hynish on Tiree (which now houses the Skerryvore Lighthouse Museum); operations were later transferred to Erraid, west of Mull. The remoteness of the location led to the keepers receiving additional payments in kind. The light shone without a break from 1844 until a fire in 1954 shut down operations for five years. The lighthouse was automated in 1994. (Full article...) -
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Foxboro station is an MBTA Commuter Rail station in Foxborough, Massachusetts, located adjacent to Gillette Stadium and the Patriot Place shopping center. The station has a single side platform serving the main track of the Framingham Secondary. It is the terminus of a branch of the Franklin/Foxboro Line service, and is served by trains from Boston via the Franklin/Foxboro Line and from Providence via the Providence/Stoughton Line (Northeast Corridor) during events at Gillette Stadium.
Previous passenger service on the line ran from 1870 to 1933, with several stations in Foxborough. Special service for New England Patriots games and other stadium events ran from 1971 to 1973, then resumed in 1986. Regular weekday service to the station via the Franklin Line was studied in 2010 and proposed in 2014. A pilot program of service was announced in 2017, and ten daily round trips began operation in October 2019. The pilot was suspended in November 2020, but four midday round trips resumed on May 23, 2022. A new one-year pilot began on September 12, 2022, and was made permanent in October 2023. (Full article...)
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Image 1Photograph: Donald Y TongBurj 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.
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Image 2Photograph: Christoph BraunA 'K6' model red telephone box outside of St Paul's Cathedral in London. These kiosks for a public telephone were designed by Sir Giles Gilbert Scott and painted "currant red" for easy visibility. Although such telephone boxes ceased production when the KX series was introduced in 1985, they remain a common sight in Britain and some of its colonies, and are considered a British cultural icon.
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Image 3An 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 4Credit: 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 5Photo: IkiwanerAn Agusta A109 rescue helicopter leaves Mount Pilatus, near Lucerne, Switzerland, after recovering a patient. Later renamed AgustaWestland AW109, the A109 is a helicopter manufactured by Agusta (now AgustaWestland) of Italy. It is a light-weight, twin-engine, eight-seat multi-purpose craft.
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Image 6A 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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Image 7Photograph: NASAA self-portrait by the Mars rover Curiosity on October 31, 2012. The mosaic is stitched from a set of 55 images taken by the Mars Hand Lens Imager at "Rocknest," the spot in Gale crater where the mission's first scoop sampling took place. Self-portraits such as this help NASA document the state of the rover and track changes, such as dust accumulation and wheel wear.
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Image 9Credit: 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 10Image credit: Joaquim Alves GasparAn animation showing how to use a vernier caliper, which is a caliper that uses a vernier scale to interpolate linear measurements. Vernier calipers can measure internal and external dimensions using, respectively, the uppermost and lower jaws, and also depths, using the depth probe (located at the right end). In this example, the first two digits (2.4) are decided by the location of the zero of the vernier scale in the centimeter scale, and the last digit (0.07), by the first line of the vernier scale that exactly matches a line of the centimeter scale above.
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Image 11Photograph: David GublerRail transport is a means of conveyance of passengers and goods by way of wheeled vehicles running on rail tracks. The oldest, man-hauled railways date to the 6th century B.C.; the method grew more popular after the introduction of steam locomotives in the 19th century. Here we can see four BNSF GE C44-9W diesel locomotives hauling a mixed freight train along the Columbia River in the US.
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Image 12Photograph: LucasboschA micrometer is a device incorporating a calibrated screw, widely used for precise measurement of components in mechanical engineering and machining. Micrometers are usually, but not always, in the form of calipers (opposing ends joined by a frame). The spindle is a very accurately machined screw and the object to be measured is placed between the spindle and the anvil. The spindle is moved by turning the ratchet knob or thimble until the object to be measured is lightly touched by both the spindle and the anvil.
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Image 13Photograph credit: Diego DelsoThe Walchensee Hydroelectric Power Station is a storage power station in Bavaria, Germany. The turbines, seen here, are fed by water from the Walchensee which is then released into the Kochelsee. The power station uses the hydraulic head of about 200 metres (660 ft) between the two natural lakes, and water from the Rißbach river is also used to augment the supply. The installed capacity is 124 MW with an annual production of 300 GWh; this is one of the largest of such power plants in Germany.
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Image 14Photo 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 15Photograph: MyrabellaThe 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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Image 16Photograph credit: Langley Research Center; restored by Adam CuerdenMary Jackson (1921–2005) was an African American mathematician and aerospace engineer at the National Advisory Committee for Aeronautics, which was succeeded by NASA in 1958. For most of her career, she worked at Langley Research Center in Hampton, Virginia; starting as a computer at the segregated West Area Computing division, she later took advanced engineering classes and, in 1958, became NASA's first black female engineer.
After 34 years at NASA, Jackson had earned the most senior engineering title available. Realizing that she could not earn further promotions without becoming a supervisor, she accepted a demotion to become a manager of the Federal Women's Program in the NASA Office of Equal Opportunity Programs, as well as of the Affirmative Action Program. In this role, she worked to influence both the hiring and promotion of women in NASA's science, engineering and mathematics careers. She was portrayed by Janelle Monáe as a lead character in the 2016 film Hidden Figures. This picture, taken in 1980, shows Jackson working at NASA Langley. -
Image 17Photograph: Raimond SpekkingBucket-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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Image 18Photograph credit: Matt Steiner and Kees08A hybrid-propellant rocket is a rocket with an engine that uses propellants in two different phases, one solid and the other gaseous or liquid. The concept can be traced back to at least the 1930s.
This picture shows a transparent 3D-printed hybrid-rocket fuel grain with dual helical fuel ports, a post-combustion chamber, and a de Laval nozzle, photographed prior to the hot-fire test. The motor used nitrous oxide as the oxidizer and Pyrodex pellets for the igniter. -
Image 19Photograph: David GublerThe Wiesen Viaduct is a single-track railway viaduct (concrete blocks with dimension stone coverage) which spans the Landwasser southwest of the hamlet of Wiesen, Switzerland. Designed by Henning Friedrich, then the chief engineer of the Rhaetian Railway, it was built between 1906 and 1909 by the contractor G. Marasi (Westermann & Cie, Zürich) under the supervision of P. Salaz and Hans Studer (RhB). The Rhaetian Railway still owns and uses the viaduct today for regular service with 29 passenger trains per day. An important element of the Davos–Filisur railway, the viaduct is 88.9 metres (292 ft) high, 210 metres (690 ft) long, and has a main span of 55 metres (180 ft). In 1926, the viaduct was the inspiration for Ernst Ludwig Kirchner's painting Brücke bei Wiesen.
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Image 20Photograph credit: Michael MainieroThe SOCATA TBM (now Daher TBM) is a family of high-performance single-engine turboprop business and utility light aircraft manufactured by Daher. This SOCATA TBM 900 was photographed in flight during the 2015 EAA AirVenture Oshkosh airshow in the U.S. state of Wisconsin. The aircraft features a Pratt & Whitney Canada PT6A-64 engine, and a five-blade carbon-fiber propeller, which increases performance and decreases cabin noise. In a passenger configuration, the pressurized cabin is typically fitted with highly finished interiors, featuring luxury materials such as leather and wood veneers.
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General images - load new batch
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Image 2Thomas Edison with his second phonograph, photographed by Levin Corbin Handy in Washington, April 1878 (from History of technology)
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Image 3A variety of stone tools (from History of technology)
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Image 5'BUILD YOUR OWN TELEVISION RECEIVER.' Science and Invention magazine cover, November 1928 (from Invention)
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Image 6A 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 7Walls at Sacsayhuaman (from History of technology)
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Image 8Edison electric light bulbs 1879–80 (from History of technology)
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Image 9Ford assembly line, 1913. The magneto assembly line was the first. (from History of technology)
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Image 10The 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 11Newcomen steam engine for pumping mines (from History of technology)
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Image 12Eric 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 13Alessandro Volta with the first electrical battery. Volta is recognized as an influential inventor. (from Invention)
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Image 14The preserved Rocket (from History of technology)
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Image 15Self-replicating 3D printer (from Emerging technologies)
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Image 20Top 30 AI patent applicants in 2016 (from Emerging technologies)
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Image 253D printer (from Emerging technologies)
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Image 27Agriculture preceded writing in the history of technology. (from History of technology)
Did you know (auto-generated) - load new batch
- ... that Peter Corby's electric trouser press used technology designed for Concorde?
- ... that Justin Yu, the current Classic Tetris World Champion, is also a cellist in MIT's video game orchestra?
- ... that it was Caltech experimental physicist Rana X. Adhikari's idea to build a gravitational-wave observatory in India?
- ... 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 Małgorzata Kalinowska-Iszkowska was awarded a Polish Gold Cross of Merit for her work in information technology?
- ... that ice XVII (structure shown) potentially has a use in green technology as a medium for storing hydrogen?
- ... 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 Suresh Jadhav led the development of the COVID-19 vaccine marketed as Covishield?
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, YouTube 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 and virtual assistant 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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Twitter was the name of the social networking service currently known as X until its rebrand in July 2023. Based in the United States and with over 500 million users, it is one of the world's largest social media websites and the fifth-most visited website in the world. Users could share short text messages, images, and videos in tweets and like or retweet other users' content. Twitter 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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Elon Reeve Musk (/ˈiːlɒn/; born June 28, 1971) is a businessman and investor. He is best known for his key roles in space company SpaceX and automotive company Tesla, Inc. Other notable involvements include ownership of X Corp., formerly Twitter, and his role in the founding of The Boring Company, xAI, Neuralink and OpenAI. He is one of the wealthiest people in the world; , Forbes estimates his net worth to be US$210 billion. (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...) -
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Benjamin Franklin FRS FRSA FRSE (January 17, 1706 [O.S. January 6, 1705] – April 17, 1790) was an American polymath: a leading writer, scientist, inventor, statesman, diplomat, printer, publisher, and political philosopher. Among the most influential intellectuals of his time, Franklin was one of the Founding Fathers of the United States; a drafter and signer of the Declaration of Independence; and the first postmaster general. (Full article...) -
Image 9Artificial 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 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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- May 10, 2024 – Israel–Hamas war protests
- Police dismantle encampments and arrest dozens of students protesting at the Massachusetts Institute of Technology in Cambridge, Massachusetts, and the University of Pennsylvania in Philadelphia, Pennsylvania. (Reuters)
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