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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Image 1
The Blackwall Tunnel is a pair of road tunnels underneath the River Thames in east London, England, linking the London Borough of Tower Hamlets with the Royal Borough of Greenwich, and part of the A102 road. The northern portal lies just south of the East India Dock Road (A13) in Blackwall; the southern entrances are just south of The O2 on the Greenwich Peninsula. The road is managed by Transport for London (TfL).
The tunnel was originally opened as a single bore in 1897 by the Prince of Wales as a major transport project to improve commerce and trade in London's East End. It carried a mix of foot, cycle, horse-drawn and vehicular traffic. By the 1930s, capacity was becoming inadequate. A second bore opened in 1967 to relieve congestion, handling southbound traffic while the earlier 19th century tunnel handled northbound traffic. (Full article...) -
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University Street station is a light rail station that is part of the Downtown Seattle Transit Tunnel in Seattle, Washington, United States. The station is located under 3rd Avenue at University Street, near Benaroya Hall, and is served by Sound Transit's 1 Line. It is located between Westlake and Pioneer Square stations and has surface connections to buses operated by King County Metro and other providers.
The station consists of two side platforms situated under street level, with two mezzanines connecting to the surface. It was designed in the style of high-tech architecture and includes several pieces of public art added during construction and later additions. Trains serve the station twenty hours a day on most days and the headway between light rail trains is six minutes during peak periods, with less frequent service at other times. (Full article...) -
Image 3U.S. Route 301 (US 301) is a US Highway running from Sarasota, Florida, north to Biddles Corner, Delaware. In the state of Delaware, the route runs 11.9 mi (19.2 km) across New Castle County from the Maryland state line southwest of Middletown northeast to its northern terminus at the Delaware Route 1 (DE 1) freeway in Biddles Corner, just south of the Senator William V. Roth Jr. Bridge that carries DE 1 over the Chesapeake & Delaware Canal in St. Georges. US 301 in Delaware is a controlled-access toll road that is designated as the First Responders Memorial Highway. The freeway has interchanges with DE 299 west of Middletown, DE 71 north of Middletown, and Jamison Corner Road, and uses all-electronic tolling, with tolls paid by E-ZPass or toll-by-plate. A mainline toll gantry is located north of the Maryland state line while there are ramp tolls on the southbound exits and northbound entrances at the three interchanges.
US 301 has moved numerous times throughout its history in Delaware, often following radically different alignments. Prior to 1959, US 301 ended in Maryland, but it was extended into Delaware from Maryland that year. At that time, it ran from the Maryland state line northeast to a terminus at an intersection with US 13, US 40, and the southern terminus of US 202 in State Road. In 1964, US 301 was extended north along US 13/US 40 to an interchange with I-295 west of the Delaware Memorial Bridge in Farnhurst. There was, for a time, a split routing, known as US 301N and US 301S, which diverged in Middletown and rejoined at US 13 in Tybouts Corner. From there, US 301 followed US 13 and US 13/US 40 to Farnhurst. In 1971, US 301 was rerouted to head north from Middletown to the community of Summit Bridge, where US 301N was then routed over the Summit Bridge and along the north side of the Chesapeake & Delaware Canal while US 301S stayed south of the canal before rejoining US 301N near the Farnhurst terminus. US 301 was rerouted again in 1985 at Mount Pleasant to follow DE 896 east to Boyds Corner and US 13 north to Farnhurst, eliminating the split routing. US 301 was rerouted again in 1992 and terminated at US 40 in Glasgow. Plans have existed since the 1950s to build a freeway along the US 301 corridor in Delaware, with formal plans for a modern toll road beginning in 2005, running from the Maryland state line northeast to DE 1 in Biddles Corner. Construction on the US 301 freeway began in 2016 with the road opening in 2019, eliminating the alignment that from 1992 to 2019 ended in Glasgow, and returning the road to a similar alignment it followed from 1959 to 1971. (Full article...) -
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Netaji Subhash Chandra Bose International Airport (IATA: CCU, ICAO: VECC) is an international airport serving Kolkata and the Kolkata Metropolitan Region. It is the primary aviation hub for eastern and northeastern India. It is located approximately 15 kilometres (9.3 mi) from the city centre. The airport is locally known as Kolkata Airport and Dum Dum Airport before being renamed in 1995 after Subhas Chandra Bose, one of the most prominent leaders of the Indian independence movement, from Bengal. The airport's IATA code CCU is associated with "Calcutta", the former legal name of the city. Opened in 1924, Kolkata Airport is one of the oldest airports in India.
Spread over an area of 6.64 square kilometres (2.56 sq mi), Kolkata Airport is the largest hub for air traffic in the eastern part of the country and one of two international airports operating in West Bengal, the other being Bagdogra in Siliguri. The airport handled around 20 million passengers in the financial year 2023–24, making it the sixth-busiest airport in India in terms of passenger traffic, after Delhi, Mumbai, Bangalore, Hyderabad and Chennai airports. The airport is a major centre for flights to Northeast India, Bangladesh, Bhutan, Southeast Asia and the Middle Eastern cities of Dubai, Doha and Abu Dhabi. It is situated across Jessore Road in Dum Dum Region. (Full article...) -
Image 5Yannis (later John) Alexis Mardas (Greek: Αλέξης Μάρδας; 2 May 1942 – 13 January 2017), also known as Magic Alex, was a Greek electronics engineer who was closely associated with the Beatles. His nickname was given to him by John Lennon when he was involved with the group between 1965 and 1969, during which time he became head of Apple Electronics.
Mardas arrived in England in 1965, exhibiting his Kinetic Light Sculptures at the Indica Gallery. He impressed John Lennon with the Nothing Box: a small plastic box with randomly blinking lights, and allegedly claimed that he could build a 72-track tape machine. Mardas was in India with the Beatles at the Maharishi Mahesh Yogi's ashram in India and was then given the job of designing the new Apple Studio in Savile Row. His schemes lost Apple at least £300,000 (£6.57 million in 2023 pounds). (Full article...) -
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Tellico Dam is a concrete gravity and earthen embankment dam on the Little Tennessee River that was built by the Tennessee Valley Authority (TVA) in Loudon County, Tennessee. Planning for a dam structure on the Little Tennessee was reported as early as 1936 but was deferred for development until 1942. Completed in 1979, the dam created the Tellico Reservoir and is the last dam to be built by the Tennessee Valley Authority.
Unlike the agency's previous dams built for hydroelectric power and flood control, the Tellico Dam was primarily constructed as an economic development and tourism initiative through the planned city concept of Timberlake, Tennessee. The development project aimed to support a population of 42,000 in a rural region in poor economic conditions. (Full article...) -
Image 7New York State Route 895 (NY 895), known locally as Sheridan Boulevard, is a four-lane boulevard in the New York City borough of The Bronx. Its south end is at a merge with the Bruckner Expressway (I-278) in the Hunts Point neighborhood, and its north end is at the Cross Bronx Expressway (I-95), where the road connects with local streets in the West Farms neighborhood.
The route opened to traffic in 1963 as a freeway known as the Arthur V. Sheridan Expressway, and it was designated as Interstate 895 (I-895) in 1970. The expressway, colloquially called "The Sheridan", was co-named for the Bronx Borough Commissioner of Public Works Arthur V. Sheridan, who died in a car crash in 1952. I-895 was supposed to connect back to I-95, its parent route, further north in Eastchester. However, due to community opposition, this extension was never built. As a result, I-895 saw relatively little use, since it ran parallel to the longer Bronx River Parkway. (Full article...)
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Image 2Photograph: Peter TrimmingThe Mark IV tank was introduced by the British in May 1917 to fight in World War I. The "female" version, as pictured here, was armed with five machine guns. Production of the Mark IV ceased at the end of the War in 1918. A small number served briefly with other combatants afterwards.
This Mark IV tank, on display in Ashford, Kent, was presented to the town after the end of World War I. The engine was removed to install an electricity substation inside it, though this substation was subsequently removed; the tank's interior is now empty. -
Image 3Image 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 4A billet of enriched uranium, which is uranium where the percent composition of uranium-235 (235U) has been increased through the process of isotope separation. Enriched uranium is a critical component for both civil nuclear power generation and military nuclear weapons.
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Image 5Photograph: ULPower Aero EnginesThe ULPower UL260i, a flat-four engine produced by ULPower Aero Engines of Belgium. Flat-four engines are flat engines with four cylinders arranged horizontally in two banks of two cylinders on each side of a central crankcase; they can be used in cars, motorcycles, or aircraft. This type of engine tends to be well-balanced and have efficient cooling, but is expensive to manufacture and considerably wider than other engines.
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Image 6Image credit: Prolineserver/TomiaThis diagram of four pulley systems illustrates how increasing the number of pulleys increases the mechanical advantage, making the load easier to lift. MA is the factor by which a mechanism multiplies the force put into it. In this diagram, 100 newtons is required to lift the weight off the ground. Each additional pulley increases the MA such that the four-pulley system only needs 25 newtons to accomplish the same task, but the rope must be pulled four times as far.
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Image 7Image credit: Lewis HineA structural worker bolts beams on the framework during the construction of the Empire State Building in New York City. The 1,250-foot (380 m) building opened on May 1, 1931, at the time the tallest building in the world, overtaking the Chrysler Building (seen to the right), which had just been completed the year before. The addition of a pinnacle and antennas later increased its overall height to 1,472 feet (449 m).
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Image 8Photograph 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 9Diagram credit: AstroBidulesThe Soyuz MS is the latest revision of the Russian spacecraft series Soyuz. It is an evolution of the Soyuz TMA-M, with modernization mostly concentrated on its communications and navigation subsystems. The spacecraft is used by Roscosmos for human spaceflight. The Soyuz MS has minimal external changes with respect to the Soyuz TMA-M, mostly limited to antennas and sensors, as well as the thruster placement. The first launch, Soyuz MS-01, took place on 7 July 2016 aboard a Soyuz-FG launch vehicle towards the International Space Station. This exploded-view diagram illustrates and labels various components of the Soyuz MS spacecraft and the Soyuz-FG rocket.
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Image 10Photograph: 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 11Photograph: 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 12Photo credit: Eric PierceThe 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. -
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: 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 15Photograph credit: Unknown; restored by Adam CuerdenGeorge Washington Carver (1860s–1943) was an American agricultural scientist and inventor. Born into slavery in Diamond, Missouri, he was raised by his master Moses Carver after being emancipated, having been separated from his parents as an infant during a kidnapping incident. After college, Carver became a professor at Tuskegee Institute, where he developed techniques to improve soils depleted by repeated plantings of cotton. He wanted poor farmers to grow alternative crops, such as peanuts and sweet potatoes, as a source of their own food and to improve their quality of life. Carver spent years developing and promoting products made from peanuts, although none became commercially successful. Apart from his work to improve the lives of farmers, he was also a leader in promoting environmentalism. Carver received numerous honors for his work, including the NAACP's Spingarn Medal. In an era of very high racial polarization, his fame reached beyond the black community; he was widely recognized and praised in the white community for his many achievements and talents. In 1941, Time magazine dubbed Carver a "black Leonardo".
This picture of Carver was taken around 1910 and is in the collection of the Tuskegee University archives. -
Image 16A 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 17Photograph: Evan AmosThe Apple Bandai Pippin is a multimedia technology console designed by Apple Computer based on the Apple Pippin platform, and produced by Bandai. Only 100,000 of the consoles were produced between its 1996 release and 1997 discontinuation. The Bandai Pippin was intended to create an inexpensive computer aimed mostly at playing CD-based multimedia software, especially games, but also functioning as a thin client.
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Image 18Credit: 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 19A transit map of the New York City Subway, one of the oldest and most extensive public transportation systems in the world. Operated by the Metropolitan Transportation Authority of the State of New York, it has 468 stations in operation on 209 mi (337 km) of routes, with 842 miles (1,355 km) of track. It is the busiest rapid transit rail system by annual ridership in the Western Hemisphere, and fifth busiest in the world. Its stations are located throughout the boroughs of Manhattan, Brooklyn, Queens and the Bronx. Staten Island has its own rail line which is not part of the system, but is included in the map as well.
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Image 20Photo: 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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General images - load new batch
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Image 2Newcomen steam engine for pumping mines (from History of technology)
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Image 3Edison electric light bulbs 1879–80 (from History of technology)
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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 9Eric 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 10'BUILD YOUR OWN TELEVISION RECEIVER.' Science and Invention magazine cover, November 1928 (from Invention)
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Image 11Walls at Sacsayhuaman (from History of technology)
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Image 143D printer (from Emerging technologies)
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Image 15A 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 16A variety of stone tools (from History of technology)
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Image 18The preserved Rocket (from History of technology)
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Image 19The 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 21Agriculture preceded writing in the history of technology. (from History of technology)
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Image 22Thomas Edison with his second phonograph, photographed by Levin Corbin Handy in Washington, April 1878 (from History of technology)
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Image 23Top 30 AI patent applicants in 2016 (from Emerging technologies)
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Image 24Self-replicating 3D printer (from Emerging technologies)
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Image 27Ford assembly line, 1913. The magneto assembly line was the first. (from History of technology)
Did you know (auto-generated) - load new batch
- ... 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 Research Policy is regarded as the leading journal in the field of innovation studies?
- ... that when Chorus Systèmes SA was founded in 1986, French technology start-up companies were rare?
- ... that Pamela McCorduck, who chronicled the evolution of artificial intelligence, regretted not recognizing the technology's potential for misuse?
- ... that OPTi Inc. won a patent suit against Apple for unauthorized use of "predictive snooping" technology?
- ... that Criccieth Castle combined the "latest advances in military technology" with the "haphazard Welsh castle building style"?
- ... that Henry E. Sigerist felt "depressed" after reading A History of Science, Technology, and Philosophy in the 16th and 17th Centuries?
- ... that Peter Corby's electric trouser press used technology designed for Concorde?
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 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 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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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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- 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)
- 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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