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...)
Recognized articles - load new batch
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Image 1
The CQC-6 (Close Quarters Combat — Six) or Viper Six is a handmade tactical folding knife with a tantō blade manufactured by knifemaker Ernest Emerson. Although initially reported as the sixth design in an evolution of fighting knives and the first model in the lineup of Emerson's Specwar Custom Knives, Emerson later revealed that the knife was named for SEAL Team Six. It has a chisel-ground blade of ATS-34 or 154CM stainless steel and a handle made of titanium and linen micarta. The CQC-6 is credited as the knife that popularized the concept of the tactical folding knife. (Full article...) -
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The Jæren Commuter Rail (Norwegian: Jærbanen) is a commuter train service operated along the westernmost part of the Sørland Line in Jæren, Norway. It is operated by Go-Ahead Norge with nine Class 72 electric multiple units. The service acts as a commuter rail connecting Stavanger to its suburbs, including Sandnes, and to towns further south, in Klepp, Time, Hå and Eigersund. Although passenger services have operated along the lines since 1878, the commuter train service was inaugurated in 1992 with a significant increase of service, using existing rolling stock. Ridership of the system increased from 3.2 million in 2012 to 5 million in 2019.
The service runs from Stavanger Station to Egersund Station, a distance of 75 kilometers (47 mi). It has four hourly services from Stavanger to Sandnes Station, of which two continue to Nærbø Station and one to Egersund. The section from Stavanger to Sandnes is double track, while the rest is single track. The infrastructure is owned by the Norwegian National Rail Administration and the line is also used by intercity and freight trains. Several proposed upgrades to the system have been made, such as a branch along the Ålgård Line, a branch to Stavanger Airport, Sola and reestablishing double track from Sandnes to Egersund. (Full article...) -
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An international airport is an airport with customs and border control facilities enabling passengers to travel between countries around the world. International airports are usually larger than domestic airports, and feature longer runways and have facilities to accommodate heavier aircraft such as the Boeing 747 and the Airbus A380 commonly used for international and intercontinental travel. International airports often host domestic flights, which helps feed both passengers and cargo into international ones (and vice versa).
Buildings, operations, and management have become increasingly sophisticated since the mid-20th century, when international airports began to provide infrastructure for international civilian flights. Detailed technical standards have been developed to ensure safety and common coding systems implemented to provide global consistency. The physical structures that serve millions of individual passengers and flights are among the most complex and interconnected in the world. By the second decade of the 21st century, over 1,200 international airports existed with around 3.8 billion international passengers as of January 2023 along with 50 million metric tonnes of cargo passing through them annually. (Full article...) -
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The Tokyo Tower ( Tōkyō tawā, pronounced [toːkʲoː taɰᵝaː] ⓘ, officially called 日本電波塔, Nippon denpatō, "Japan Radio Tower") is a communications and observation tower in the Shiba-koen district of Minato, Tokyo, Japan, built in 1958. At 332.9 meters (1,092 ft), it was the tallest tower in Japan until the construction of Tokyo Skytree in 2012. The structure is an Eiffel Tower-inspired lattice tower that is painted white and international orange to comply with air safety regulations.
The tower's main sources of income are tourism and antenna leasing. Over 150 million people have visited the tower. FootTown, a four-story building directly under the tower, houses museums, restaurants, and shops. Departing from there, guests can visit two observation decks. The two-story Main Deck (formerly known as the Main Observatory) is at 150 meters (490 ft), while the smaller Top Deck (formerly known as the "Special Observatory") reaches a height of 249.6 meters (819 ft). The names were changed following renovation of the top deck in 2018. The tower is repainted every five years, taking a year to complete the process. (Full article...) -
Image 5Delaware Route 52 (DE 52) is a state highway in New Castle County, Delaware. The route runs from U.S. Route 13 Business (US 13 Bus.) in downtown Wilmington north to Pennsylvania Route 52 (PA 52) at the Pennsylvania border near Centerville. DE 52 runs through the city of Wilmington and passes through areas of the Brandywine Valley north of Wilmington. DE 52 intersects Interstate 95 (I-95)/US 202 and DE 2 in Wilmington and DE 100/DE 141 and DE 82 in Greenville. The entire route is designated as part of the Brandywine Valley National Scenic Byway, a National Scenic Byway and Delaware Byway, while most of the route is also designated as part of the Harriet Tubman Underground Railroad Byway of the Delaware Byways system. The road was built as the Kennett Pike, a turnpike, between 1811 and 1813. The Kennett Pike was bought by Pierre S. du Pont in 1919 and was widened and paved before being sold to the State of Delaware for $1. The road received the DE 52 designation by 1936. (Full article...)
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L'Oiseau Blanc (English: The White Bird) was a French Levasseur PL.8 biplane that disappeared in 1927 during an attempt to make the first non-stop transatlantic flight between Paris and New York City to compete for the Orteig Prize. French World War I aviation heroes Charles Nungesser (third highest French ace with 43 air combat victories during World War I) and François Coli took off from Paris on 8 May 1927 and were last seen over Ireland. Less than two weeks later, Charles Lindbergh successfully made the New York–Paris journey and claimed the prize in the Spirit of St. Louis.
The disappearance of L'Oiseau Blanc is considered one of the great mysteries in the history of aviation. Many rumors circulated about the fate of the aircraft and crew, with mainstream opinion at the time being that it was probably lost in a squall over the Atlantic. Investigations starting in the 1980s suggest that it probably reached Newfoundland and may have crashed in Maine. (Full article...) -
Image 7State Route 14 (SR 14) is a north–south state highway in the U.S. state of California that connects Los Angeles to the northern Mojave Desert. The southern portion of the highway is signed as the Antelope Valley Freeway. Its southern terminus is at Interstate 5 (I-5, Golden State Freeway) in the Los Angeles neighborhoods of Granada Hills and Sylmar just immediately to the south of the border of the city of Santa Clarita. SR 14's northern terminus is at U.S. Route 395 (US 395) near Inyokern. Legislatively, the route extends south of I-5 to SR 1 in the Pacific Palisades area of Los Angeles; however, the portion south of the junction with I-5 has not been constructed. The southern part of the constructed route is a busy commuter freeway serving and connecting the cities of Santa Clarita, Palmdale, and Lancaster to the rest of the Greater Los Angeles area. The northern portion, from Vincent (south of Palmdale) to US 395, is legislatively named the Aerospace Highway, as the highway serves Edwards Air Force Base, once one of the primary landing strips for NASA's Space Shuttle, as well as the Naval Air Weapons Station China Lake that supports military aerospace research, development and testing. This section is rural, following the line between the hot Mojave desert and the forming Sierra Nevada mountain range. Most of SR 14 is loosely paralleled by a rail line originally built by the Southern Pacific Railroad, and was once the primary rail link between Los Angeles and Northern California. While no longer a primary rail line, the southern half of this line is now used for the Antelope Valley Line of the Metrolink commuter rail system.
Linked with US 395, this road also connects Los Angeles with such places as Mammoth Mountain, Mono Lake, Yosemite National Park and Reno, Nevada. SR 14 was part of US 6 prior to truncation in 1964, when US 6 was a coast-to-coast route from Long Beach to Provincetown, Massachusetts. The non-freeway segment of SR 14 from Silver Queen Road north of Rosamond to Mojave is known as Sierra Highway, as is the old routing between I-5 and Silver Queen Road where SR 14 has been moved to a newer freeway alignment. Portions of SR 14 remain signed with names associated with US 6, including Midland Trail, Theodore Roosevelt Highway, and Grand Army of the Republic Highway. (Full article...)
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Image 1The 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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Image 2Photo credit: Michael ReevePitstone Windmill, believed to be the oldest windmill in the British Isles
A windmill is an engine powered by wind energy. In Europe, windmills have been used since the Middle Ages. They were developed from the 12th century, apparently from technology gained by crusaders who came into contact with windmills in the Middle East. Persian sources indicate windmill use as early as the 7th century BC. In the United States, the development of water-pumping windmills was a major factor in allowing the farming of vast areas of North America. -
Image 3Credit: 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 4Photograph: NASATwo Jet Propulsion Laboratory engineers stand with three vehicles, providing a size comparison of three generations of Mars rovers. Front and center is the flight spare for the first Mars rover, Sojourner, which landed on Mars in 1997 as part of the Mars Pathfinder Project. On the left is a Mars Exploration Rover test vehicle, a working sibling to Spirit and Opportunity, which landed on Mars in 2004. On the right is a test rover for the Mars Science Laboratory, which landed Curiosity on Mars in 2012.
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Image 5A 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 6Image credit: Michael OttoA pastoral scene of a lone house, composed using Blender, an open source 3D computer graphics software. Blender can be used for a number of applications and is available for a wide variety of operating systems.
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Image 7Photograph: National Photo Company, Restoration: Adam CuerdenThe William Crooks is a 4-4-0 steam locomotive that was the first locomotive to operate in the U.S. state of Minnesota, beginning in 1861. It was named after William Crooks, the chief mechanical engineer for the St. Paul and Pacific Railroad, who earlier served as a colonel in the 6th Minnesota Volunteer Infantry Regiment during the American Civil War. Crooks laid out the initial ten-mile track between Minneapolis and St. Paul on which the locomotive operated. It was retired from regular service in 1897, but operated special services for several further decades. It is now in the Lake Superior Railroad Museum in Duluth.
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Image 8Image credit: Søren Peo PedersenTwo TRS connectors (also known as jack plugs or phone plugs), a common audio connector. They are cylindrical in shape, with two or more contacts. Originally invented for use in telephone switchboards, jack plugs are still widely used, both in the original ¼-inch (6.3 mm) size and in miniaturized versions. The top plug in this image is for stereo connections, while the bottom is for mono.
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Image 10Photo: Sergey KrivchikovThe Sukhoi Su-30 is a twin-engine, two-seat supermanoeuverable fighter aircraft developed by Russia's Sukhoi Aviation Corporation. It is a multirole fighter for all-weather, air-to-air and air-to-surface deep interdiction missions. Its primary users are Russia, India, China, Venezuela, and Malaysia.
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Image 11The 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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Image 12Photograph: 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 13An 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 14Credit: 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 15Photograph: Julia Margaret Cameron; restoration: Adam CuerdenJohn Herschel was an English mathematician, astronomer, chemist, inventor, and experimental photographer. He named seven moons of Saturn and four moons of Uranus, invented the cyanotype and actinometer, and wrote extensively on topics including meteorology, physical geography and the telescope.
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Image 16Diagram: Jeff Dahl
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Image 17Photograph: 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 18Photo: Arthur Rothstein; Restoration: Lise BroerA portrait of George Washington Carver, American scientist, botanist, educator and inventor, from 1942. Much of Carver's fame is based on his research into and promotion of alternative crops to cotton, such as peanuts and sweet potatoes. In addition to his work on agricultural extension education for purposes of advocacy of sustainable agriculture and appreciation of plants and nature, Carver's important accomplishments also included improvement of racial relations, mentoring children, poetry, painting, and religion. One of his most important roles was in undermining, through the fame of his achievements and many talents, the widespread stereotype of the time that the black race was intellectually inferior to the white race.
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Image 19Diagram: H Padleckas and Ju gatsu mikkaA diagram showing a side and underside view of an 18-wheeler semi-trailer truck with an enclosed cargo space. The underside view shows the arrangement of the wheels, and in blue, the axles, drive shaft, and differentials.
The numbered parts are:
'"`UNIQ--templatestyles-0000001B-QINU`"'
#tractor unit
#semi-trailer (detachable)
#engine compartment
#cabin
#sleeper (not present in all trucks)
#air dam
#fuel tanks
#fifth-wheel coupling
#enclosed cargo space
#landing gear (legs for when semi-trailer is detached)
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Image 20Photo credit: Willi HeidelbachA 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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General images - load new batch
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Image 1Newcomen steam engine for pumping mines (from History of technology)
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Image 2Top 30 AI patent applicants in 2016 (from Emerging technologies)
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Image 4Walls at Sacsayhuaman (from History of technology)
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Image 5A 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 8Alessandro Volta with the first electrical battery. Volta is recognized as an influential inventor. (from Invention)
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Image 103D printer (from Emerging technologies)
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Image 11Edison electric light bulbs 1879–80 (from History of technology)
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Image 12Self-replicating 3D printer (from Emerging technologies)
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Image 13Ford assembly line, 1913. The magneto assembly line was the first. (from History of technology)
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Image 14The preserved Rocket (from History of technology)
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Image 15Thomas Edison with his second phonograph, photographed by Levin Corbin Handy in Washington, April 1878 (from History of technology)
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Image 16Agriculture preceded writing in the history of technology. (from History of technology)
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Image 22The 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 25'BUILD YOUR OWN TELEVISION RECEIVER.' Science and Invention magazine cover, November 1928 (from Invention)
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Image 26A variety of stone tools (from History of technology)
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Image 27Eric M. C. Tigerstedt (1887–1925) was known as a pioneer of sound-on-film technology. Tigerstedt in 1915. (from Invention)
Did you know (auto-generated) - load new batch
- ... 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 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 Henry E. Sigerist felt "depressed" after reading A History of Science, Technology, and Philosophy in the 16th and 17th Centuries?
- ... that Criccieth Castle combined the "latest advances in military technology" with the "haphazard Welsh castle building style"?
- ... that Turkey's Anadolu Shipyard signed a contract with India's Hindustan Shipyard to transfer technology for the building of five fleet support ships for the Indian Navy?
- ... that OPTi Inc. won a patent suit against Apple for unauthorized use of "predictive snooping" technology?
- ... that Justin Yu, the current Classic Tetris World Champion, is also a cellist in MIT's video game orchestra?
- ... that Pamela McCorduck, who chronicled the evolution of artificial intelligence, regretted not recognizing the technology's potential for misuse?
Top 10 WikiProject Technology popular articles of the month
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YouTube is an American online video sharing platform owned by Google. Accessible worldwide, it was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of PayPal. Headquartered in San Bruno, California, United States, it is the second most visited website in the world, after Google Search. YouTube has more than 2.5 billion monthly users, who collectively watch more than one billion hours of videos every day. , videos were being uploaded to the platform at a rate of more than 500 hours of content per minute, and as of 2021, there were approximately 14 billion videos in total. (Full article...) -
Image 2Facebook is a social media and social networking service owned by the American technology conglomerate Meta. Created in 2004 by Mark Zuckerberg with four other Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, its name derives from the face book directories often given to American university students. Membership was initially limited to Harvard students, gradually expanding to other North American universities. Since 2006, Facebook allows everyone to register from 13 years old, except in the case of a handful of nations, where the age limit is 14 years. , Facebook claimed almost 3 billion monthly active users. As of October 2023, Facebook ranked as the 3rd most visited website in the world, with 22.56% of its traffic coming from the United States. It was the most downloaded mobile app of the 2010s. (Full article...)
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ChatGPT is a chatbot developed by OpenAI and launched on November 30, 2022. Based on large language models (LLMs), it enables users to refine and steer a conversation towards a desired length, format, style, level of detail, and language. Successive user prompts and replies are considered at each conversation stage as context. (Full article...) -
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WhatsApp (officially WhatsApp Messenger) is an instant messaging (IM) and voice-over-IP (VoIP) service owned by technology conglomerate Meta. It allows users to send text, voice messages and video messages, make voice and video calls, and share images, documents, user locations, and other content. WhatsApp's client application runs on mobile devices, and can be accessed from computers. The service requires a cellular mobile telephone number to sign up. In January 2018, WhatsApp released a standalone business app called WhatsApp Business which can communicate with the standard WhatsApp client. (Full article...) -
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Elon Reeve Musk (/ˈiːlɒn/ EE-lon; born June 28, 1971) is a businessman and investor. He is the founder, chairman, CEO, and CTO of SpaceX; angel investor, CEO, product architect, and former chairman of Tesla, Inc.; owner, executive chairman, and CTO of X Corp.; founder of the Boring Company and xAI; co-founder of Neuralink and OpenAI; and president of the Musk Foundation. He is one of the wealthiest people in the world; , Forbes estimates his net worth to be $178 billion. (Full article...) -
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X, commonly referred to by its former name Twitter, is a social media website based in the United States. With over 500 million users, it is one of the world's largest social networks and the fifth-most visited website in the world. Users can share text messages, images, and videos through posts (originally called "tweets"). X also includes direct messaging, video and audio calling, bookmarks, lists and communities, and Spaces, a social audio feature. Users can vote on context added by approved users using the Community Notes feature. (Full article...) -
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Google LLC (/ˈɡuːɡəl/ ⓘ, GOO-ghəl) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial intelligence (AI). It has been referred to as "the most powerful company in the world" and is one of the world's most valuable brands due to its market dominance, data collection, and technological advantages in the field of AI. Google's parent company, Alphabet Inc. is one of the five Big Tech companies, alongside Amazon, Apple, Meta, and Microsoft. (Full article...) -
Image 8Artificial intelligence (AI), in its broadest sense, is intelligence exhibited by machines, particularly computer systems. It is a field of research in computer science that develops and studies methods and software which enable machines to perceive their environment and uses learning and intelligence to take actions that maximize their chances of achieving defined goals. Such machines may be called AIs. (Full article...)
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Netflix is an American subscription video on-demand over-the-top streaming service. The service primarily distributes original and acquired films and television shows from various genres, and it is available internationally in multiple languages. (Full article...) -
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Samuel Benjamin Bankman-Fried (born March 5, 1992), commonly known as SBF, is an American entrepreneur who was convicted of fraud and related crimes in November 2023. Bankman-Fried founded the FTX cryptocurrency exchange and was celebrated as a "poster boy" for crypto. At the peak of his net worth, he was ranked the 41st-richest American in the Forbes 400. (Full article...)
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- February 27, 2024 –
- Japanese technology company Sony announces it will cut 900 jobs across its global workforce and has also proposed the closure of London Studio as part of the restructuring. (Sony Interactive Entertainment press release)
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