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Topic is one of the core types in Freebase. Topics contain a set of default properties that are generally useful when describing a topic: display name, alias, article, image and webpage.
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| x name | x image | x Also known as | x article | x Subjects |
| Abacus |
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The abacus, also called a counting frame, is a calculating tool used primarily in parts of Asia for performing arithmetic processes. Today, abacuses are often constructed as a bamboo frame with beads sliding on wires, but originally they were beans...
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| Articles of Confederation |
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The Articles of Confederation and Perpetual Union, customarily referred to as the Articles of Confederation, was the first constitution of the United States of America and legally established the union of the states. The Second Continental Congress...
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| Assault rifle |
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An assault rifle is loosely defined as a selective fire rifle designed for combat that uses an intermediate cartridge and a detachable magazine. Assault rifles are the standard infantry weapons in most modern armies. Examples of assault rifles...
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| Albert Einstein |
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Albert Einstein (pronounced /ˈælbərt ˈaɪnstaɪn/; German: [ˈalbɐt ˈaɪ̯nʃtaɪ̯n] ( listen); 14 March 1879–18 April 1955) was a theoretical physicist. His many contributions to physics include the special and general theories of relativity, the...
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| Automobile |
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Automotive |
About 250 million vehicles are in the United States. Around the world, there were about 806 million cars and light trucks on the road in 2007; they burn over 260 billion gallons of gasoline and diesel fuel yearly. The automotive industry designs,...
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| Automobiles (BMW) | ||||
| vehicle | ||||
| car | ||||
| Aircraft |
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An aircraft is a vehicle which is able to fly by being supported by the air, or in general, the atmosphere of a planet. An aircraft counters the force of gravity by using either static lift (as with balloons, blimps and dirigibles) or by using the...
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| Alfred Nobel |
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Alfred Bernhard Nobel |
Alfred Bernhard Nobel (help·info) (Stockholm, Sweden, 21 October 1833 – Sanremo, Italy, 10 December 1896) was a Swedish chemist, engineer, innovator, armaments manufacturer and the inventor of dynamite. He owned Bofors, a major armaments...
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| Alexander Graham Bell |
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Alexander Graham Bell (March 3, 1847 – August 2, 1922) was an eminent scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone.
Bell's father, grandfather, and brother had all been associated with work...
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| Arthur C. Clarke |
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Arthur Charles Clarke |
Sri Lankabhimanya Sir Arthur Charles Clarke, CBE, FRAS (16 December 1917 – 19 March 2008) was a British science fiction author, inventor, and futurist, most famous for the novel 2001: A Space Odyssey, written in collaboration with director Stanley...
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| Charles Willis | ||||
| E. G. O'Brien | ||||
| Sir Arthur Charles Clarke | ||||
| Arthur Clark | ||||
| Assembly line |
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An assembly line is a manufacturing process in which parts (usually interchangeable parts) are added to a product in a sequential manner using optimally planned logistics to create a finished product much faster than with handcrafting-type methods....
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| Alan Turing |
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Alan Mathison Turing |
Alan Mathison Turing, OBE, FRS (pronounced /ˈtjʊərɪŋ/, TYOOR-ing; 23 June 1912 – 7 June 1954), was an English mathematician, logician, cryptanalyst, and computer scientist. He was influential in the development of computer science and providing a...
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| Analytical engine |
The analytical engine, an important step in the history of computers, was the design of a mechanical general-purpose computer by the British mathematician Charles Babbage. It was first described in 1837, but Babbage continued to work on the design...
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| Anchor |
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An anchor is an object, often made out of metal, that is used to attach a ship to the bottom of a body of water at a specific point. There are two primary classes of anchors—temporary and permanent. A permanent anchor is often called a mooring, and...
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| Archimedes |
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Archimedes of Syracuse |
Archimedes of Syracuse (Greek: Ἀρχιμήδης; c. 287 BC – c. 212 BC) was a Greek mathematician, physicist, engineer, inventor, and astronomer. Although few details of his life are known, he is regarded as one of the leading scientists in classical...
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| Alexander Fleming |
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Sir Alexander Fleming (6 August 1881 – 11 March 1955) was a Scottish biologist and pharmacologist. Fleming published many articles on bacteriology, immunology and chemotherapy. His best-known achievements are the discovery of the enzyme lysozyme in...
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| Auguste and Louis Lumière |
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Auguste and Louis Lumiere |
The Lumière brothers, Auguste Marie Louis Nicolas (19 October 1862, Besançon, France – 10 April 1954, Lyon) and Louis Jean (5 October 1864, Besançon, France – 6 June 1948, Bandol), were among the earliest filmmakers. (Appropriately, "lumière"...
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| Atomic absorption spectroscopy |
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In analytical chemistry, atomic absorption spectroscopy is a technique for determining the concentration of a particular metal element in a sample. The technique can be used to analyze the concentration of over 70 different metals in a solution....
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| Andrei Sakharov |
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Andrei Dmitrievich Sakharov (Russian: Андре́й Дми́триевич Са́харов; May 21, 1921 – December 14, 1989) was an eminent Soviet nuclear physicist, dissident and human rights activist. Sakharov was an advocate of civil liberties and reforms in the Soviet...
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| Acrylic paint |
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Acrylic paint is fast-drying paint containing pigment suspended in an acrylic polymer emulsion. Acrylic paints can be diluted with water, but become water-resistant when dry. Depending on how much the paint is diluted (with water) or modified with...
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| African Regional Intellectual Property Organization |
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The African Regional Intellectual Property Organization (ARIPO), formerly African Regional Industrial Property Organization, is an intergovernmental organization for cooperation among African states in patent and other industrial property matters....
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| Organisation Africaine de la Propriété Intellectuelle |
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Organisation Africaine de la Propriete Intellectuelle |
The Organisation Africaine de la Propriété Intellectuelle or OAPI (English: African Intellectual Property Organization) is an intellectual property organization, headquartered in Yaoundé, Cameroon. The organisation was created by Bangui Agreement of...
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| Adolphe Sax |
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Antoine-Joseph "Adolphe" Sax (November 6, 1814 – February 4, 1894) was a Belgian musical instrument designer and musician who played the flute and clarinet, and is best known for inventing the saxophone.
Adolphe Sax was born in Dinant in Wallonia,...
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| Basketball |
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Basketball is a team sport in which two teams of 5 players try to score points against one another by placing a ball through a 10 foot (3.048 m) high hoop (the goal) under organized rules. Basketball is one of the most popular and widely viewed...
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| Braille |
The Braille system is a method that is widely used by blind people to read and write. Braille was devised in 1821 by Louis Braille, a blind Frenchman. Each Braille character or cell is made up of six dot positions, arranged in a rectangle containing...
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| Bicycle |
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Bike |
A bicycle, also known as a bike, push bike or cycle, is a pedal-driven, human-powered vehicle with two wheels attached to a frame, one behind the other. A person who rides a bicycle is called a cyclist or a bicyclist.
Bicycles were introduced in the...
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| Benjamin Franklin |
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Ben Franklin |
Benjamin Franklin (1706 – 1790) was an inventor, publisher. scientist, and statesman, who is known as one of the Founding Fathers of the United States of America. He was a major figure in the Enlightenment, known as a printer, satirist,...
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| Buckminster Fuller |
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Richard Buckminster Fuller |
Richard Buckminster “Bucky” Fuller (July 12, 1895 – July 1, 1983) was an American architect, author, designer, inventor, and futurist.
Fuller published more than thirty books, inventing and popularizing terms such as "Spaceship Earth",...
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| R. Buckminster Fuller | ||||
| Bucky Fuller | ||||
| Bank of England |
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The Bank of England (formally the Governor and Company of the Bank of England) is, despite its name, the central bank of the whole of the United Kingdom and is the model on which most modern, large central banks have been based. It was established...
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| B. F. Skinner |
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Burrhus Frederic "Fred" Skinner |
Burrhus Frederic Skinner (March 20, 1904 – August 18, 1990) was an American psychologist, author, inventor, advocate for social reform, and poet. He was the Edgar Pierce Professor of Psychology at Harvard University from 1958 until his retirement in...
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| Burrhus Frederic "B. F." Skinner | ||||
| Bunsen burner |
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A Bunsen burner is a common piece of laboratory equipment that produces a single open gas flame, which is used for heating, sterilization, and combustion.
When the University of Heidelberg hired Robert Bunsen in 1852, the authorities promised to...
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| Bovril |
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Bovril is the trademarked name of a thick, salty meat extract, developed in the 1870s by John Lawson Johnston and sold in a distinctive, bulbous jar. It is made in Burton upon Trent, Staffordshire and distributed by Unilever UK.
Bovril can be made...
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| Crokinole |
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Crokinole (pronounced /ˈkroʊkɨnoʊl/ "croak-i-knoll") is an action board game similar in various ways to pitchnut, carrom, marbles, and shove ha'penny, with elements of shuffleboard and curling reduced to table-top size. Players take turns shooting...
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| Charles Babbage |
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Charles Babbage, FRS (26 December 1791 – 18 October 1871) was an English mathematician, philosopher, inventor and mechanical engineer who originated the concept of a programmable computer. Parts of his uncompleted mechanisms are on display in the...
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| Claudius |
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Tiberius Claudius Caesar Augustus Germanicus (1 August 10 BC – 13 October AD 54) (Tiberius Claudius Drusus from birth to AD 4, then Tiberius Claudius Nero Germanicus from then until his accession) was the fourth Roman Emperor, a member of the Julio...
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| Colossus computer |
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The Colossus machines were electronic computing devices used by British codebreakers to read encrypted German messages during World War II. These were the world's first programmable, digital, electronic, computing devices. They used vacuum tubes ...
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| Charles Proteus Steinmetz |
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Charles Proteus Steinmetz (April 9, 1865 – October 26, 1923) was a German-American mathematician and electrical engineer. He fostered the development of alternating current that made possible the expansion of the electric power industry in the...
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| Curling |
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Curling is a team game with similarities to bowls and shuffleboard, played by two teams of four players each on a rectangular sheet of carefully prepared ice. Teams take turns sliding heavy, polished granite stones down the ice towards the target ...
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| Mouse |
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Computer mouse |
A computer input device that senses the two-dimensional displacemnt of a controlling hand.
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| Constitution of Canada |
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Canadian Constitution |
The Constitution of Canada (La Constitution du Canada in French) is the supreme law in Canada; the country's constitution is an amalgamation of codified acts and uncodified traditions and conventions. It outlines Canada's system of government, as...
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| Cash register |
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A cash register (US English) or till (British English) is a mechanical or electronic device for calculating and recording sales transactions, and an attached cash drawer for storing cash. The cash register also usually prints a receipt for the...
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| Codeine |
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Codeine (INN) or methylmorphine is an opiate used for its analgesic, antitussive, and antidiarrheal properties.
Codeine is an alkaloid found in opium poppy, a plant in the papaveraceae family that has been cultivated and utilized throughout human...
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| Constitution of Chile |
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The current Political Constitution of the Republic of Chile, approved by Chilean voters in a tightly controlled plebiscite on September 11, 1980, under the presidency of Augusto Pinochet, effective March 11, 1981 and amended July 30, 1989, 1991,...
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| Digital Equipment Corporation |
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DIGITAL |
Digital Equipment Corporation was a pioneering American company in the computer industry. It is often referred to within the computing industry as DEC (this acronym was frequently officially used by Digital itself, but the trademark was always...
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| DEC | ||||
| Dynamite |
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Dynamite is an explosive material based on the explosive potential of nitroglycerin, initially using diatomaceous earth (kieselgur: United States spelling; kieselguhr: UK spelling) or another absorbent substance such as sawdust as an absorbent. It...
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| Douglas Engelbart |
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Dr. Douglas C. Engelbart |
Dr. Douglas C. Engelbart (born January 30, 1925) is an American inventor and early computer pioneer. He is best known for inventing the computer mouse, as a pioneer of human-computer interaction whose team developed hypertext, networked computers,...
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| Detective fiction |
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Detective fiction is a branch of crime fiction in which a detective (or detectives), either professional or amateur, investigates a crime, often murder. They also have a cocky, comic apprentice/assistant that is loyal and always by the side of the...
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| Distillation |
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Distillation is a method of separating mixtures based on differences in their volatilities in a boiling liquid mixture. Distillation is a unit operation, or a physical separation process, and not a chemical reaction.
Commercially, distillation has a...
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| Difference engine |
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The Difference Engine was an automatic, mechanical calculator designed to tabulate polynomial functions. Both logarithmic and trigonometric functions can be approximated by polynomials, so a difference engine can compute many useful sets of numbers....
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| Diedrich Hermann Westermann |
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Diedrich Hermann Westermann (June 24, 1875–May 31, 1956) was a German missionary, Africanist, and linguist. He substantially extended and revised the work of Carl Meinhof, his teacher, although he rejected some of Meinhof's theories only implicitly....
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| David Brewster |
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Sir David Brewster FRS (11 December 1781 – 10 February 1868) was a Scottish physicist, mathematician, astronomer, inventor, and writer.
David Brewster was born at Jedburgh, where his father, a teacher of high reputation, was rector of the grammar...
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| Davy lamp |
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The Davy lamp is a safety lamp with a wick and oil vessel burning originally a heavy vegetable oil, devised in 1815 by Sir Humphry Davy. It was created for use in coal mines, allowing deep seams to be mined despite the presence of methane and other...
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| Dean Kamen |
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Dean L. Kamen (born 5 April 1951) is an American entrepreneur and inventor from New Hampshire.
Born in Rockville Centre, New York, he attended Worcester Polytechnic Institute, but dropped out before graduating. His father was Jack Kamen, an...
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| Dolly the Sheep |
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Dolly (5 July 1996 – 14 February 2003) was a female domestic sheep remarkable in being the first mammal to be cloned from an adult somatic cell, using the process of nuclear transfer. She was cloned by Ian Wilmut, Keith Campbell and colleagues at...
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| Ethernet |
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Ethernet is a family of frame-based computer networking technologies for local area networks (LANs). The name comes from the physical concept of the ether. It defines a number of wiring and signaling standards for the Physical Layer of the OSI...
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| Eli Whitney |
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Eli Whitney (December 8, 1765 – January 8, 1825) was an American inventor best known as the inventor of the cotton gin. This was one of the key inventions of the Industrial Revolution and shaped the economy of the antebellum South. Whitney's...
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Electronic mail, often abbreviated as email, e.mail or e-mail, is a method of exchanging digital messages. E-mail systems are based on a store-and-forward model in which e-mail computer server systems accept, forward, deliver and store messages on...
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| Escalator |
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An escalator is a moving staircase conveyor transport device 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...
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| Edwin Armstrong |
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Edwin Howard Armstrong (December 18, 1890 – January 31, 1954) was an American electrical engineer and inventor. Armstrong was the inventor of frequency modulation (FM) radio.
Edwin Howard Armstrong was born in New York City, New York, in 1890. He...
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| Fax |
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Fax (short for facsimile, from Latin fac simile, "make similar", i.e. "make a copy") is a telecommunications technology used to transfer copies (facsimiles) of documents, especially using affordable devices operating over the telephone network. The...
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| Floppy disk |
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A floppy disk is a data storage medium that is composed of a disk of thin, flexible ("floppy") magnetic storage medium encased in a square or rectangular plastic shell.
Floppy disks are read and written by a floppy disk drive or FDD, the initials of...
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