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2017-01-01 00:00:00
Karl Popper
thumb|upright|Sir Karl Popper, bust in the Arkadenhof of the University of Vienna Sir Karl Raimund Popper (28 July 1902 – 17 September 1994) was an Austrian-British philosopher and professor.Karl Popper (1902–94) advocated by Andrew Marr BBC In Our Time – Greatest Philosopher, Retrieved Jan 2015Adams, I.; Dyson, R.W.,...
16,623
2017-01
Comprehensive school
A comprehensive school is a secondary school or middle school that is a state school and does not select its intake on the basis of academic achievement or aptitude. This is in contrast to the selective school system, where admission is restricted on the basis of selection criteria. The term is commonly used in relatio...
699,350
2017-01
Philadelphia
Philadelphia () is the largest city in the Commonwealth of Pennsylvania and the fifth-most populous city in the United States, with an estimated population of 1,567,442 and more than 6 million in the seventh-largest metropolitan statistical area, . Philadelphia is the economic and cultural anchor of the Delaware Valley...
50,585
2017-01
Seattle
Seattle () is a seaport city on the west coast of the United States and the seat of King County, Washington. With an estimated 684,451 residents , Seattle is the largest city in both the state of Washington and the Pacific Northwest region of North America. In July 2013, it was the fastest-growing major city in the Uni...
11,388,236
2017-01
Glass
thumb|300px|The joining of two tubes made of lead glass during glass welding Glass is a non-crystalline amorphous solid that is often transparent and has widespread practical, technological, and decorative usage in, for example, window panes, tableware, and optoelectronics. The most familiar, and historically the oldes...
12,581
2017-01
Sanskrit
Sanskrit (English pronunciation:; written in Devanagari script; ; ; IPA: or , originally , "refined speech") is the primary sacred language of Hinduism and Mahāyāna Buddhism, a philosophical language in Hinduism, Jainism, Buddhism and Sikhism. It was also a literary language that was in use as a lingua franca in an...
27,698
2017-01
Iran
Iran ( , also , ; ), also known as Persia (, ), officially the Islamic Republic of Iran ( ), is a sovereign state in Western Asia. It is bordered to the northwest by Armenia, the de facto Nagorno-Karabakh Republic, and Azerbaijan; to the north by the Caspian Sea; to the northeast by Turkmenistan; to the east by Afg...
14,653
2017-01
Labour Party (UK)
The Labour Party is a centre-left political party in the United Kingdom. Growing out of the trade union movement and socialist parties of the nineteenth century, the Labour Party has been described as a "broad church", encompassing a diversity of ideological trends from strongly socialist to moderately social democrati...
19,279,158
2017-01
Separation of church and state in the United States
"Separation of church and state" is a phrase used by Thomas Jefferson and others expressing an understanding of the intent and function of the Establishment Clause and Free Exercise Clause of First Amendment to the Constitution of the United States which reads: "Congress shall make no law respecting an establishment o...
596,325
2017-01
Nonprofit organization
A nonprofit organization (NPO) (also known as a non-business entity) is an organization with the purpose of which is something other than making a profit.http://beta.merriam-webster.com/dictionary/nonprofit Merriam-Webster Dictionary A nonprofit organization is often dedicated to furthering a particular social cause or...
72,487
2017-01
Philosophy of space and time
Philosophy of space and time is the branch of philosophy concerned with the issues surrounding the ontology, epistemology, and character of space and time. While such ideas have been central to philosophy from its inception, the philosophy of space and time was both an inspiration for and a central aspect of early anal...
655,002
2017-01
Pub
thumb|A thatched country pub, The Williams Arms, near Braunton, North Devon, England thumb|A city pub, The World's End, Camden Town, London thumb|right|A large selection of beers and ales in a traditional pub in London. thumb|right|upright|The Ale-House Door (painting of c. 1790 by Henry Singleton) A pub, or public ho...
24,578
2017-01
National Archives and Records Administration
The National Archives and Records Administration (NARA) is an independent agency of the United States government charged with preserving and documenting government and historical records and with increasing public access to those documents, which comprise the National Archives. NARA is officially responsible for mainta...
70,667
2017-01
Middle Ages
thumb|upright=1.35|The Cross of Mathilde, a crux gemmata made for Mathilde, Abbess of Essen (973–1011), who is shown kneeling before the Virgin and Child in the enamel plaque. The body of Christ is slightly later. Probably made in Cologne or Essen, the cross demonstrates several medieval techniques: cast figurative scu...
18,836
2017-01
Szlachta
266px|thumb|Szlachta in costumes of the Voivodeships of the Crown of the Kingdom of Poland, Grand Duchy of Lithuania and the Polish-Lithuanian Commonwealth in the 17th and 18th century. 266px|thumb|right|Journey of a Polish Lord during the times of King Augustus III of Poland, by Jan Chełmiński, 1880. thumb|right|266px...
29,050
2017-01
House music
House music is a genre of electronic music created by club DJs and music producers that originated in Chicago in the early 1980s. Early house music was generally dance-based music characterized by repetitive 4/4 beats, rhythms mainly provided by drum machines, off-beat hi-hat cymbals, and synthesized basslines. While h...
13,930
2017-01
Czech language
Czech (; čeština ), historically also Bohemian (; lingua Bohemica in Latin), is a West Slavic language of the Czech–Slovak group, that is strongly influenced by Latinhttp://babel.mml.ox.ac.uk/naughton/lit_to_1918.html. University of Oxford and German.http://slavic.ucla.edu/czech/czech-republic/. University of Californi...
6,343
2017-01
Vacuum
thumb|Pump to demonstrate vacuum Vacuum is space void of matter. The word stems from the Latin adjective vacuus for "vacant" or "void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure. Physicists often discuss ideal test results that would occur in a perfect vac...
32,502
2017-01
Central Intelligence Agency
The Central Intelligence Agency (CIA) is a civilian foreign intelligence service of the United States federal government, tasked with gathering, processing and analyzing national security information from around the world, primarily through the use of human intelligence (HUMINT). As one of the principal members of the ...
5,183,633
2017-01
Film speed
Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital imaging systems. Relatively insensitive film, with a correspondi...
168,568
2017-01
Himachal Pradesh
Himachal Pradesh (; literally "Snow-abode") is a state of India located in Northern India. It is bordered by Jammu and Kashmir on the north, Punjab and Chandigarh on the west, Haryana on the south-west, Uttarakhand on the south-east and by the Tibet Autonomous Region on the east. The name was coined from Sanskrit him ...
14,190
2017-01
Phonology
Phonology is a branch of linguistics concerned with the systematic organization of sounds in languages. It has traditionally focused largely on the study of the systems of phonemes in particular languages (and therefore used to be also called phonemics, or phonematics), but it may also cover any linguistic analysis eit...
23,247
2017-01
Canadian Armed Forces
The Canadian Armed Forces (CAF; , FAC), or Canadian Forces (CF) (, FC), are the unified armed forces of Canada, as constituted by the National Defence Act, which states: "The Canadian Forces are the armed forces of Her Majesty raised by Canada and consist of one Service called the Canadian Armed Forces." This unified ...
182,792
2017-01
Muammar Gaddafi
Muammar Mohammed Abu Minyar Gaddafi (; ; 20 October 2011), commonly known as Colonel Gaddafi, was a Libyan revolutionary, politician, and political theorist. He governed Libya as Revolutionary Chairman of the Libyan Arab Republic from 1969 to 1977 and then as the "Brotherly Leader" of the Great Socialist People's Libya...
53,029
2017-01
Dissolution of the Soviet Union
thumb|355px|Post-Soviet states The Soviet Union was dissolved on December 26, 1991, as a result of the declaration no. 142-Н of the Soviet of the Republics of the Supreme Soviet of the Soviet Union. The declaration acknowledged the independence of the former Soviet republics and created the Commonwealth of Independ...
40,494,892
2017-01
High-definition television
High-definition television (HDTV) is a television system providing an image resolution that is substantially higher than that of standard-definition television. HDTV may be transmitted in various formats: 1080p: 1920×1080p: 2,073,600 pixels (~2.07 megapixels) per frame 1080i: 1920×1080i: 1,036,800 pixels (~1.04 MP) ...
16,315,657
2017-01
Alloy
thumb|Wire rope made from steel, which is a metal alloy whose major component is iron, with carbon content between 0.02% and 2.14% by mass. An alloy is a mixture of metals or a mixture of a metal and another element. Alloys are defined by a metallic bonding character.Callister, W. D. "Materials Science and Engineering...
1,187
2017-01
Arsenal F.C.
Arsenal Football Club is an English professional football club based in Highbury, London, that plays in the Premier League, the top flight of English football. The club has won 12 FA Cups, a joint-record, 13 League titles, two League Cups, 14 FA Community Shields, one UEFA Cup Winners' Cup and one Inter-Cities Fairs Cu...
2,174
2017-01
New Delhi
thumb|right|250px|The city of New Delhi is located within the National Capital Territory of Delhi. New Delhi () is the capital of India and one of Delhi city's 11 districts. The foundation stone of the city was laid by George V, Emperor of India during the Delhi Durbar of 1911. It was designed by British architects, S...
51,585
2017-01
Translation
Translation is the communication of the meaning of a source-language text by means of an equivalent target-language text.The Oxford Companion to the English Language, Namit Bhatia, ed., 1992, pp. 1,051–54. While interpreting—the facilitating of oral or sign-language communication between users of different languages—a...
18,630,637
2017-01
USB
USB, short for Universal Serial Bus, is an industry standard initially developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices. It is currently developed by the USB Implementers For...
32,073
2017-01
Transistor
thumb|upright|Assorted discrete transistors. Packages in order from top to bottom: TO-3, TO-126, TO-92, SOT-23. A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an e...
30,011
2017-01
Tuvalu
Tuvalu ( or ), formerly known as the Ellice Islands, is a Polynesian island nation located in the Pacific Ocean, midway between Hawaii and Australia, lying east-northeast of the Santa Cruz Islands (belonging to the Solomons), southeast of Nauru, south of Kiribati, west of Tokelau, northwest of Samoa and Wallis and Fu...
30,227
2017-01
Somerset
{{Infobox English county | official_name = Somerset | other_name = | image_main = | image_caption = | flag_image = border|160px | flag_link = Flag of Somerset | arms_image = | arms_link = | motto = Sumorsǣte ealle (All The People of Somerset) | locator_map = 200px|Somerset within England | coordinates = | region = Sout...
51,763
2017-01
Renewable energy commercialization
thumb|The Sun, wind, and hydroelectricity are three renewable energy sources. thumb|New investments globally in renewable energyBloomberg New Energy Finance, UNEP SEFI, Frankfurt School, Global Trends in Renewable Energy Investment 2011 thumb|right|The 150 MW Andasol solar power station is a commercial parabolic trough...
10,418,624
2017-01
Videoconferencing
thumb|A Tandberg T3 high resolution telepresence room in use (2008). thumb|Indonesian and U.S. students participating in an educational videoconference (2010). Videoconferencing (VC) is the conduct of a videoconference (also known as a video conference or videoteleconference) by a set of telecommunication technologies...
274,116
2017-01
Political party
A political party is a group of people who come together to contest elections and hold power in the government. The party agrees on some proposed policies and programmes, with a view to promoting the collective good or furthering their supporters' interests. While there is some international commonality in the way pol...
23,996
2017-01
Gregorian calendar
The Gregorian calendar is internationally the most widely used civil calendar.Introduction to Calendars. United States Naval Observatory. Retrieved 15 January 2009.Calendars by L. E. Doggett. Section 2.The international standard for the representation of dates and times, ISO 8601, uses the Gregorian calendar. Section 3...
23,306,251
2017-01
Serbo-Croatian
Serbo-Croatian , also called Serbo-Croat , Serbo-Croat-Bosnian (SCB), Bosnian-Croatian-Serbian (BCS), or Bosnian-Croatian-Montenegrin-Serbian (BCMS), is a South Slavic language and the primary language of Serbia, Croatia, Bosnia and Herzegovina, and Montenegro. It is a pluricentric language with four mutually intelligi...
27,730
2017-01
United Nations Population Fund
The United Nations Population Fund (UNFPA), formerly the United Nations Fund for Population Activities, is a UN organization. The UNFPA says it "is the lead UN agency for delivering a world where every pregnancy is wanted, every childbirth is safe and every young person's potential is fulfilled." Their work involves t...
63,952
2017-01
Brain
The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. The brain is located in the head, usually close to the sensory organs for senses such as vision. The brain is the most complex organ in a vertebrate's body. In a human, the cerebral cortex contains ap...
3,717
2017-01
ASCII
ASCII ( ), abbreviated from American Standard Code for Information Interchange, is a character encoding standard (the Internet Assigned Numbers Authority (IANA) prefers the name US-ASCII). ASCII codes represent text in computers, telecommunications equipment, and other devices. Most modern character-encoding schemes ar...
586
2017-01
Ministry of Defence (United Kingdom)
The Ministry of Defence (MoD or MOD) is the British government department responsible for implementing the defence policy set by Her Majesty's Government and is the headquarters of the British Armed Forces. The MoD states that its principal objectives are to defend the United Kingdom of Great Britain and Northern Irel...
203,793
2017-01
Mandolin
A mandolin ( ; literally "small mandola") is a musical instrument in the lute family and is usually plucked with a plectrum or "pick". It commonly has four courses of doubled metal strings tuned in unison (8 strings), although five (10 strings) and six (12 strings) course versions also exist. The courses are normally t...
18,888
2017-01
Great power
thumb|upright 1.6||Great powers are recognized in an international structure such as the United Nations Security Council. Shown here is the Security Council Chamber. A great power is a sovereign state that is recognized as having the ability and expertise to exert its influence on a global scale. Great powers character...
372,836
2017-01
Beer
thumb|Schlenkerla Rauchbier being poured from a cask thumb|François Jaques: Peasants Enjoying Beer at Pub in Fribourg (Switz.) – (1923) Beer is the world's oldest and most widely consumed alcoholic drink; it is the third most popular drink overall, after water and tea. The production of beer is called brewing, which i...
3,363
2017-01
Spectre (2015 film)
Spectre is the twenty-fourth James Bond film produced by Eon Productions and the twenty-sixth overall. It features Daniel Craig in his fourth performance as James Bond, and Christoph Waltz as Ernst Stavro Blofeld, with the film marking the character's re-introduction into the series. It was directed by Sam Mendes as hi...
44,853,982
2017-01
Apollo
Apollo (Attic, Ionic, and Homeric Greek: , Apollōn ( ); Doric: , Apellōn; Arcadocypriot: , Apeilōn; Aeolic: , Aploun; ) is one of the most important and complex of the Olympian deities in classical Greek and Roman religion and Greek and Roman mythology. The ideal of the kouros (a beardless, athletic youth), Apollo has ...
594
2017-01
Energy
thumb|right|The Sun is the source of energy for most of life on Earth. It derives its energy mainly from nuclear fusion in its core and releases it into space mainly in the form of radiant (light) energy. In physics, energy is a property whose form can be converted, and whose quantity is transferred by work or heatin...
9,649
2017-01
Avicenna
Avicenna or Ibn-Sīnā (;  – June 1037) was a Persian polymath who is regarded as one of the most significant thinkers and writers of the Islamic Golden Age.. . . "He was born in 370/980 in Afshana, his mother's home, near Bukhara. His native language was Persian" (from "Ibn Sina ("Avicenna")", Encyclopedia of Islam, ...
1,130
2017-01
Gothic architecture
thumb|300px|Façade of Reims Cathedral, France thumb|300px|The interior of the western end of Reims Cathedral thumb|300px|The choir of Reims Cathedral thumb|300px|Overview of Reims Cathedral from north-east Gothic architecture is a style of architecture that flourished in Europe during the high and late medieval period...
54,044
2017-01
Steven Spielberg
Steven Allan Spielberg (born December 18, 1946) is an American director, producer, and screenwriter. He is considered one of the founding pioneers of the New Hollywood era, as well as being viewed as one of the most popular directors and producers in film history.The cinema of Steven Spielberg: Empire of light. Nigel...
26,940
2017-01
Animal
Animals are multicellular, eukaryotic organisms of the kingdom Animalia (also called Metazoa). The animal kingdom emerged as a basal clade within Apoikozoa as a sister of the choanoflagellates. Sponges are the most basal clade of animals. Animals are motile, meaning they can move spontaneously and independently at som...
11,039,790
2017-01
Geological history of Earth
thumb|right|325px|Geologic time represented in a diagram called a geological clock, showing the relative lengths of the eons of Earth's history and noting major events The geological history of Earth follows the major events in Earth's past based on the geologic time scale, a system of chronological measurement based o...
11,603,215
2017-01
Miami
Miami (; ) is a seaport city at the southeastern corner of the U.S. state of Florida and its Atlantic coast. As the seat of Miami-Dade County, the municipality is the principal, central, and most populous of its metropolitan area and part of the second-most populous metropolis in the southeastern United States. Accordi...
53,846
2017-01
University of Kansas
The University of Kansas, often referred to as KU or Kansas, is a public research university in the U.S. state of Kansas. The main campus in Lawrence, one of the largest college towns in Kansas, is on Mount Oread, the highest elevation in Lawrence. Two branch campuses are in the Kansas City metropolitan area: the Edw...
163,327
2017-01
Daylight saving time
upright=1.67|thumb |alt=World map. Europe, most of North America, parts of southern South America and southeastern Australia, and a few other places use DST. Most of equatorial Africa and a few other places near the equator have never used DST. The rest of the landmass is marked as formerly using DST. |Daylight saving ...
47,548
2017-01
Identity (social science)
In psychology, identity is the qualities, beliefs, personality, looks and/or expressions that make a person (self-identity) or group (particular social category or social group).The process of identity can be creative or destructive. A psychological identity relates to self-image (one's mental model of oneself), self-...
880,112
2017-01
Canon law
Canon law is the body of laws and regulations made by ecclesiastical authority (Church leadership), for the government of a Christian organization or church and its members. It is the internal ecclesiastical law, or operational policy, governing the Catholic Church (both the Latin Church and the Eastern Catholic Churc...
6,469
2017-01
Sumer
Sumer ()The name is from Akkadian ; Sumerian , approximately "land of the civilized kings" or "native land". means "native, local", in(ĝir NATIVE (7x: Old Babylonian) from The Pennsylvania Sumerian Dictionary). Literally, "land of the native (local, noble) lords". Stiebing (1994) has "Land of the Lords of Brightness"...
50,521
2017-01
Modern history
Modern history, the modern period or the modern era, is the global historiographical approach to the timeframe after the Post-classical history.Intrinsic to the English language, "modern" denotes (in reference to history) a period that is opposed to either ancient or medieval—modern history comprising the history of th...
885,795
2017-01
Planck constant
Values of h Units Ref. J⋅s Barry N. Taylor of the Data Center in close collaboration with Peter J. Mohr of the Physical Measurement Laboratory's Atomic Physics Division, Termed the "2014 CODATA recommended values," they are generally recognized worldwide for use in all fields of science and technology. The values be...
19,594,213
2017-01
Child labour
right|frame|A succession of laws on child labour, the so-called Factory Acts, were passed in the UK in the 19th century. Children younger than nine were not allowed to work, those aged 9–16 could work 16 hours per day per Cotton Mills Act. In 1856, the law permitted child labour past age 9, for 60 hours per week, night...
101,942
2017-01
Buckingham Palace
thumb|300px|Buckingham Palace. This is the principal façade, the East Front; originally constructed by Edward Blore and completed in 1850. It acquired its present appearance following a remodelling, in 1913, by Sir Aston Webb. thumb|upright|Queen Victoria, the first monarch to reside at Buckingham Palace, moved into th...
3,969
2017-01
Age of Enlightenment
The Enlightenment (also known as the Age of Enlightenment or the Age of Reason; in ; and in , 'Enlightenment') was an intellectual movement which dominated the world of ideas in Europe in the 18th century. The Enlightenment included a range of ideas centered on reason as the primary source of authority and legitimacy, ...
30,758
2017-01
Tennessee
Tennessee () (, Tanasi) is a state located in the southeastern region of the United States. Tennessee is the 36th largest and the 16th most populous of the 50 United States. Tennessee is bordered by Kentucky and Virginia to the north, North Carolina to the east, Georgia, Alabama, and Mississippi to the south, and Arkan...
30,395
2017-01
Electric motor
thumb|Various electric motors, compared to 9 V battery. An electric motor is an electrical machine that converts electrical energy into mechanical energy. The reverse of this is the conversion of mechanical energy into electrical energy and is done by an electric generator. In normal motoring mode, most electric mot...
76,086
2017-01
Marvel Comics
Marvel Comics is the common name and primary imprint of Marvel Worldwide Inc., formerly Marvel Publishing, Inc. and Marvel Comics Group, an American publisher of comic books and related media. In 2009, The Walt Disney Company acquired Marvel Entertainment, Marvel Worldwide's parent company. Marvel started in 1939 as T...
20,966
2017-01
Federalism
thumb|upright=1.5| thumb|upright=1.5|The pathway of regional integration or separation Federalism is the mixed or compound mode of government, combining a general government (the central or 'federal' government) with regional governments (provincial, state, Land, cantonal, territorial or other sub-unit governments) in ...
11,542
2017-01
Mali
Mali (; ), officially the Republic of Mali (), is a landlocked country in Africa. Mali is the eighth-largest country in Africa, with an area of just over . The population of Mali is 14.5 million. Its capital is Bamako. Mali consists of eight regions and its borders on the north reach deep into the middle of the Sahara...
19,127
2017-01
Geography of the United States
The term "United States", when used in the geographical sense, is the contiguous United States, the state of Alaska, the island state of Hawaii, the five insular territories of Puerto Rico, Northern Mariana Islands, U.S. Virgin Islands, Guam, and American Samoa, and minor outlying possessions.U.S. State Department, Com...
32,019
2017-01
The Legend of Zelda: Twilight Princess
is an action-adventure game developed and published by Nintendo for the Wii and GameCube home video game consoles. It is the thirteenth installment in the The Legend of Zelda series. Originally planned for release on the GameCube in November 2005, Twilight Princess was delayed by Nintendo to allow its developers to re...
1,610,197
2017-01
Kanye West
Kanye Omari West (;West says "Kanye" twice in the song Diamonds from Sierra Leone, at 2'57" and 3'36" in this recording. born June 8, 1977) is an American rapper, songwriter, record producer, fashion designer, and entrepreneur. Born in Atlanta and raised in Chicago, West first became known as a producer for Roc-A-Fell...
523,032
2017-01
Umayyad Caliphate
The Umayyad Caliphate (, trans. Al-Khilāfah al-ʾumawiyya), also spelled Omayyad, was the second of the four major Arab caliphates established after the death of Muhammad. This caliphate was centred on the Umayyad dynasty (, al-ʾUmawiyyūn, or , Banū ʾUmayya, "Sons of Umayya"), hailing from Mecca. The Umayyad family had ...
49,855
2017-01
Estonia
Estonia (; ), officially the Republic of Estonia (), is a country in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia (343 km), and to the east by Lake Peipus and Russia (338.6 km).. Official website of the Republic of Est...
28,222,445
2017-01
Race (human categorization)
Race is the classification of humans into groups based on physical traits, ancestry, genetics or social relations, or the relations between them. First used to refer to speakers of a common language and then to denote national affiliations, by the 17th century race began to refer to physical (i.e. phenotypical) traits....
25,614
2017-01
New Haven, Connecticut
New Haven ( ),Kyff, Rob (2008). "Pronunciation For Novice Nutmeggers." Hartford Courant. Hartford, CT. in the U.S. state of Connecticut, is the principal municipality in Greater New Haven, which had a total population of 862,477 in 2010. It is located on New Haven Harbor on the northern shore of Long Island Sound in Ne...
53,825
2017-01
Symbiosis
thumb|250px|right|In a symbiotic mutualistic relationship, the clownfish feeds on small invertebrates that otherwise have potential to harm the sea anemone, and the fecal matter from the clownfish provides nutrients to the sea anemone. The clownfish is additionally protected from predators by the anemone's stinging ce...
39,626
2017-01
Military history of the United States
thumb|500px|right|U.S. military personnel and expenditures, 1790–2006. Personnel is shown in orange (left axis); expenditures are in teal (right axis). The two axes are scaled to visually align for World War II, thus showing the difference between the cost per soldier before and after President Dwight D. Eisenhower's "...
161,323
2017-01
Dog
thumb|300px|Montage showing the morphological variation of the dog. The domestic dog (Canis lupus familiaris or Canis familiaris) is a member of genus Canis (canines) that forms part of the wolf-like canids, and is the most widely abundant carnivore. The dog and the extant gray wolf are sister taxa, with modern wolves...
4,269,567
2017-01
Printed circuit board
thumb|Part of a 1983 Sinclair ZX Spectrum computer board; a populated PCB, showing the conductive traces, vias (the through-hole paths to the other surface), and some mounted electronic components A printed circuit board (PCB) mechanically supports and electrically connects electronic components using conductive track...
65,910
2017-01
Empiricism
thumb|right|John Locke, a leading philosopher of British empiricism Empiricism is a theory that states that knowledge comes only or primarily from sensory experience. One of several views of epistemology, the study of human knowledge, along with rationalism and skepticism, empiricism emphasizes the role of empirical...
10,174
2017-01
The Blitz
The Blitz, from the German word Blitzkrieg meaning 'lightning war', was the name used by the British press to describe the heavy air raids carried out over Britain in 1940 and 1941, during the Second World War. The German air offensive was concentrated, aimed at the direct bombing of industrial targets and civilian ce...
112,274
2017-01
Han dynasty
The Han dynasty () was the second imperial dynasty of China (206 BC–220 AD), preceded by the Qin dynasty (221–206 BC) and succeeded by the Three Kingdoms period (220–280 AD). Spanning over four centuries, the Han period is considered a golden age in Chinese history. To this day, China's majority ethnic group refers to ...
43,460
2017-01
Light-emitting diode
thumb|Parts of an LED. Although unlabeled, the flat bottom surfaces of the anvil and post embedded inside the epoxy act as anchors, to prevent the conductors from being forcefully pulled out via mechanical strain or vibration. thumb|alt=Modern LED retrofit with E27 screw in base|A bulb-shaped modern retrofit LED lamp w...
18,290
2017-01
Alsace
Alsace (,Random House Unabridged Dictionary ; Alsatian: ’s Elsass ; German: ElsassGerman spelling before 1996: Elsaß ; ) is a cultural and historical region in eastern France, now located in the administrative region of Grand Est. Alsace is located on France's eastern border and on the west bank of the upper Rhine adja...
48,129
2017-01
United States Army
The United States Army (USA) is the largest branch of the United States Armed Forces and performs land-based military operations. It is one of the seven uniformed services of the United States and is designated as the Army of the United States in the United States Constitution, Article 2, Section 2, Clause 1 and Unite...
32,087
2017-01
Clothing
thumb|Clothing in history, showing (from top) Egyptians, Ancient Greeks, Romans, Byzantines, Franks, and 13th through 15th century Europeans. Clothing (also called clothes and attire) is fiber and textile material worn on the body. The wearing of clothing is mostly restricted to human beings and is a feature of nearly ...
38,180
2017-01
Comcast
Comcast Corporation (formerly registered as Comcast Holdings)Before the AT&T merger in 2001, the parent company was Comcast Holdings Corporation. Comcast Holdings Corporation now refers to a subsidiary of Comcast Corporation, not the parent company (see: Bloomberg profile on Comcast Holdings Corporation). Technical...
303,749
2017-01
Elizabeth II
Elizabeth II (Elizabeth Alexandra Mary; born 21 April 1926) has been Queen of the United Kingdom, Canada, Australia, and New Zealand since 6 February 1952. She is Head of the Commonwealth and Queen of 12 countries that have become independent since her accession: Jamaica, Barbados, the Bahamas, Grenada, Papua New Guine...
12,153,654
2017-01
Liberia
Liberia , officially the Republic of Liberia, is a country on the West African coast. Liberia means "Land of the Free" in Latin. It is bordered by Sierra Leone to its west, Guinea to its north and Ivory Coast to its east. It covers an area of and has a population of 4,503,000 people. English is the official language a...
17,791
2017-01
51st state
thumb|width=237|Flag of the United States|51-star flags have been designed and used as a symbol by supporters of statehood in various areas. This is an example of how a 51-star flag might look. The "51st state", in post-1959 American political discourse, is a phrase that refers to areas or locales that are – seriously...
475,488
2017-01
IPod
The iPod is a line of portable media players and multi-purpose pocket computers designed and marketed by Apple Inc. The first version was released on October 23, 2001, about 8½ months after iTunes (Macintosh version) was released. The most recent iPod redesigns were announced on July 15, 2015. There are three current v...
89,847
2017-01
Bacteria
Bacteria (; common noun bacteria, singular bacterium) constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a number of shapes, ranging from spheres to rods and spirals. Bacteria were among the first life forms to appear on Earth, and are present in most of its ha...
9,028,799
2017-01
Matter
In the classical physics observed in everyday life, if something has mass and takes up space, it is said to be composed of matter; this includes atoms (and thus molecules) and anything made up of these, but not other energy phenomena or waves such as light or sound. More generally, however, in (modern) physics, matter...
19,673,093
2017-01
Poultry
thumb|300px|Poultry of the World Poultry () are domesticated birds kept by humans for the eggs they produce, their meat, their feathers, or sometimes as pets. These birds are most typically members of the superorder Galloanserae (fowl), especially the order Galliformes (which includes chickens, quails and turkeys) and...
23,197
2017-01
Gymnastics
thumb|upright=1.35|Daniele Hypólito on the balance beam at the 2007 Pan American Games Gymnastics is a sport involving the performance of exercises requiring balance. strength, flexibility, agility, endurance and control. The movements involved in gymnastics contribute to the development of the arms, legs, shoulders, ...
12,551
2017-01
John, King of England
John (24 December 1166 – 19 October 1216), also known as John Lackland (Norman French: Johan sanz Terre),Norgate (1902), pp. 1–2. was King of England from 6 April 1199 until his death in 1216. John lost the Duchy of Normandy to King Philip II of France, resulting in the collapse of most of the Angevin Empire and contri...
16,550
2017-01
Time
thumb|150px|right|The flow of sand in an hourglass can be used to measure the passage of time. It also concretely represents the present as being between the past and the future. Time is the indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the...
30,012
2017-01
Arnold Schwarzenegger
Arnold Alois Schwarzenegger (; ; born July 30, 1947) is an Austrian-American actor, producer, businessman, investor, author, philanthropist, activist, and former professional bodybuilder and politician. He served two terms as the 38th Governor of California from 2003 until 2011. Schwarzenegger began weight training at...
1,806
2017-01