Experimental Breeder Reactor II | nuclear reactor (2024)

","url":"Introduction","wordCount":0,"sequence":1},"imarsData":{"HAS_REVERTED_TIMELINE":"false","INFINITE_SCROLL":"198439|1,78696|1,187279|8,421763|16"},"npsAdditionalContents":{},"templateHandler":{"name":"INDEX"},"paginationInfo":{"previousPage":null,"nextPage":null,"totalPages":1},"uaTemplate":"INDEX","infiniteScrollList":[{"p":1,"t":198439},{"p":1,"t":78696},{"p":8,"t":187279},{"p":16,"t":421763}],"topicLeftRail":{"topicInfo":{"id":198439,"title":"Experimental Breeder Reactor II","url":"https://www.britannica.com/technology/Experimental-Breeder-Reactor-II","description":"Nuclear reactor: From production reactors to commercial power reactors: A much larger experimental breeder, EBR-II, was developed and put into service (with power generation) in 1963.","type":"TOPIC","titleText":"Experimental Breeder Reactor II","urlTitle":"Experimental-Breeder-Reactor-II","metaDescription":"Other articles where Experimental Breeder Reactor II is discussed: nuclear reactor: From production reactors to commercial power reactors: A much larger experimental breeder, EBR-II, was developed and put into service (with power generation) in 1963.","identifierHtml":"nuclear reactor","identifierText":"nuclear reactor","alternateTitles":"EBR-II","topicClass":"technology","topicKey":"Experimental-Breeder-Reactor-II","articleContentType":"INDEX","ppTecType":"CONCEPT","gaTemplate":"INDEX","topicType":"INDEX","relativeUrl":"/technology/Experimental-Breeder-Reactor-II","assemblyLinkPrefix":"/media/1/198439/"},"topicLink":{"title":"Experimental Breeder Reactor II","url":"https://www.britannica.com/technology/Experimental-Breeder-Reactor-II"},"tocTitle":"Directory","tocEntry":"References","toc":null,"quoteLink":null,"indexLink":null,"factsLink":null,"mediaLink":null,"media":null,"studentLinks":null,"relatedQuizzes":null,"topQuestions":null,"readNext":null,"discover":[{"id":6188,"title":"6 of the World's Most Dangerous Birds","url":"/list/6-of-the-worlds-most-dangerous-birds","description":"Keep your eyes on the skies.","image":{"id":0,"url":"/58/152058-131-0EB52C8F/Ostriches.jpg","altText":"Close-up of ostriches (Struthio camelus) necks and heads; location unknown.","credit":"© NeilBradfield—iStock/Getty Images","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/58/152058-131-0EB52C8F/Ostriches.jpg"},"type":"LIST","breadcrumb":{"homeLink":null,"items":[{"title":"List","url":"/list/browse"},{"title":"Science","url":"/list/browse/Science"}],"lastItemTitle":"Science"},"superCategory":{"id":6,"title":"Science & Tech","url":"Science-Tech","description":"Explore science and technology; astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","keywords":"astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","classId":"SCIENCE","sortOrder":2},"hashtags":["bird","owl","lammergeier","cassowary","emu","ostrich","death","injury","dangerous","deadly","attack","avian","flying"],"hashtagsString":"bird, owl, lammergeier, cassowary, emu, ostrich, death, injury, dangerous, deadly, attack, avian, flying","displayDate":[2017,4,12],"urlTitle":"6-of-the-worlds-most-dangerous-birds","featureSubType":"REGULAR","categories":[{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},null],"mainCategory":{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},"typeDisplayName":"List"},{"id":12900,"title":"What’s the Difference Between Sugar in Fruit and Sugar in Sweets and Candy?","url":"/story/whats-the-difference-between-sugar-in-fruit-and-sugar-in-sweets-and-candy","description":"Learn why the sugar in an apple is different from the sugar in a chocolate bar.","image":{"id":0,"url":"/73/239573-131-63075292/sugar-cubes.jpg","altText":"Zoomed in photo of a pile of sugar cubes in a wooden stop on a wooden table.","credit":"© Cozine/stock.adobe.com","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/73/239573-131-63075292/sugar-cubes.jpg"},"type":"STORY","breadcrumb":{"homeLink":null,"items":[{"title":"Companion","url":"/stories/companion"},{"title":"Health & Medicine","url":"/stories/companion/Health-Medicine"}],"lastItemTitle":"Health & Medicine"},"superCategory":{"id":6,"title":"Science & Tech","url":"Science-Tech","description":"Explore science and technology; astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","keywords":"astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","classId":"SCIENCE","sortOrder":2},"hashtags":["companion","sugar","table sugar","sucrose","glucose","fructose","fruit","sugarcane","processed sugar"],"hashtagsString":"companion, sugar, table sugar, sucrose, glucose, fructose, fruit, sugarcane, processed sugar","displayDate":[2023,2,4],"urlTitle":"whats-the-difference-between-sugar-in-fruit-and-sugar-in-sweets-and-candy","featureSubType":"COMPANION","categories":[{"id":3000,"title":"Health & Medicine","url":"Health-Medicine","description":"The study of the human mind and body, how these function, and how they interact—not only with each other but also with their environment—has been of utmost importance in ensuring human well-being. Research on potential treatments and preventive medicine has expanded greatly with the development of modern medicine, and a network of disciplines, including such fields as genetics, psychology, and nutrition, aims to facilitate the betterment of our health.","image":{"id":0,"url":"/07/192107-050-CE043374/anatomy-charts-human-body-muscle-systems-skeletal.jpg","altText":"Health & Medicine","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/07/192107-050-CE043374/anatomy-charts-human-body-muscle-systems-skeletal.jpg"}},{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},null],"mainCategory":{"id":3000,"title":"Health & Medicine","url":"Health-Medicine","description":"The study of the human mind and body, how these function, and how they interact—not only with each other but also with their environment—has been of utmost importance in ensuring human well-being. Research on potential treatments and preventive medicine has expanded greatly with the development of modern medicine, and a network of disciplines, including such fields as genetics, psychology, and nutrition, aims to facilitate the betterment of our health.","image":{"id":0,"url":"/07/192107-050-CE043374/anatomy-charts-human-body-muscle-systems-skeletal.jpg","altText":"Health & Medicine","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/07/192107-050-CE043374/anatomy-charts-human-body-muscle-systems-skeletal.jpg"}},"typeDisplayName":"Companion"},{"id":6411,"title":"New Seven Wonders of the World","url":"/list/new-seven-wonders-of-the-world","description":"See who did—and didn’t—make the cut.","image":{"id":0,"url":"/36/162636-131-E4AA93A0/Colosseum-Rome-Italy.jpg","altText":"The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)","credit":"© fabiomax/Fotolia","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/36/162636-131-E4AA93A0/Colosseum-Rome-Italy.jpg"},"type":"LIST","breadcrumb":{"homeLink":null,"items":[{"title":"List","url":"/list/browse"},{"title":"Lifestyles & Social Issues","url":"/list/browse/Lifestyles-Social-Issues"}],"lastItemTitle":"Lifestyles & Social Issues"},"superCategory":{"id":5,"title":"History & Society","url":"History-Society","description":"Explore history and society; accidents and disasters; the age of revolutions; the ancient world; historic dynasties; global exploration; the middle ages; the modern world; prehistory; US history; world history; wars and battles; sociology; religion and philosophy; humanities; ethics; anthropology; festivals and holidays; human rights; human migration; international relations; politics, law, and government","keywords":"accidents and disasters; the age of revolutions; the ancient world; historic dynasties; global exploration; the middle ages; the modern world; prehistory; US history; world history; wars and battles; sociology; religion and philosophy; humanities; ethics; anthropology; festivals and holidays; human rights; human migration; international relations; politics, law, and government","classId":"HISTORY","sortOrder":1},"hashtags":["New Seven Wonders of the World","Great Wall of China","Chichén Itzá","Colosseum","Petra","Machu Picchu","Taj Mahal","Christ the Redeemer","Wonders of the World","Seven Wonders of the World"],"hashtagsString":"New Seven Wonders of the World, Great Wall of China, Chichén Itzá, Colosseum, Petra, Machu Picchu, Taj Mahal, Christ the Redeemer, Wonders of the World, Seven Wonders of the World","displayDate":[2018,2,14],"urlTitle":"new-seven-wonders-of-the-world","featureSubType":"REGULAR","categories":[{"id":8000,"title":"Lifestyles & Social Issues","url":"Lifestyles-Social-Issues","description":"It's easy enough to agree that human beings all around the world have certain basic requirements that must be fulfilled in order to ensure their individual and collective well-being. History has shown us, however, that it's not so easy to form societies or communities that fulfill these requirements for all members. The fight for human and civil rights has persisted for hundreds of years and remains alive today, both within the borders of nations and on an international scale. It has led to large-scale social movements and reforms concerning issues such as suffrage, slavery, women's rights, racism, environmentalism, gay rights, and much more.","image":{"id":0,"url":"/11/195611-131-4DFC1336/Belgian-pride-parade-People-streets-flags-Brussels-2017.jpg","altText":"Lifestyles & Social Issues","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/11/195611-131-4DFC1336/Belgian-pride-parade-People-streets-flags-Brussels-2017.jpg"}},{"id":6000,"title":"World History","url":"World-History","description":"Does history really repeat itself, or can we learn from the mistakes of those who came before us? History provides a chronological, statistical, and cultural record of the events, people, and movements that have made an impact on humankind and the world at large throughout the ages.","image":{"id":0,"url":"/05/84505-050-8BB58BE6/cave-art-Ennedi-Plateau-Chad.jpg","altText":"World History","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/05/84505-050-8BB58BE6/cave-art-Ennedi-Plateau-Chad.jpg"}},{"id":11000,"title":"Visual Arts","url":"Visual-Arts","description":"These are the arts that meet the eye and evoke an emotion through an expression of skill and imagination. They include the most ancient forms, such as painting and drawing, and the arts that were born thanks to the development of technology, like sculpture, printmaking, photography, and installation art. Though beauty is in the eye of the beholder, different eras in art history have had their own principles to define beauty, from the richly ornamented taste of the Baroque to the simple utilitarian style of the Prairie School.","image":{"id":0,"url":"/45/24345-050-78FAA104.jpg","altText":"Visual Arts","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/45/24345-050-78FAA104.jpg"}}],"mainCategory":{"id":8000,"title":"Lifestyles & Social Issues","url":"Lifestyles-Social-Issues","description":"It's easy enough to agree that human beings all around the world have certain basic requirements that must be fulfilled in order to ensure their individual and collective well-being. History has shown us, however, that it's not so easy to form societies or communities that fulfill these requirements for all members. The fight for human and civil rights has persisted for hundreds of years and remains alive today, both within the borders of nations and on an international scale. It has led to large-scale social movements and reforms concerning issues such as suffrage, slavery, women's rights, racism, environmentalism, gay rights, and much more.","image":{"id":0,"url":"/11/195611-131-4DFC1336/Belgian-pride-parade-People-streets-flags-Brussels-2017.jpg","altText":"Lifestyles & Social Issues","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/11/195611-131-4DFC1336/Belgian-pride-parade-People-streets-flags-Brussels-2017.jpg"}},"typeDisplayName":"List"},{"id":13548,"title":"Poker Hands Ranked","url":"/story/poker-hands-ranked","description":"Find out what beats what in poker.","image":{"id":0,"url":"/73/244173-131-6F9065A1/Royal-Flush-poker-card-game-gambling.jpg","altText":"Poker game. Card game. Royal Flush in poker. Hearts suit gambling","credit":"© happy_author/stock.adobe.com","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/73/244173-131-6F9065A1/Royal-Flush-poker-card-game-gambling.jpg"},"type":"STORY","breadcrumb":{"homeLink":null,"items":[{"title":"Companion","url":"/stories/companion"},{"title":"Sports & Recreation","url":"/stories/companion/Sports-Recreation"}],"lastItemTitle":"Sports & Recreation"},"superCategory":{"id":2,"title":"Arts & Culture","url":"Arts-Culture","description":"Explore arts and culture; entertainment and pop culture, actors, comics, dance, film, food, music, theatre, tv; visual arts, architecture, fashion, painting, photography, sculpture; literature, fiction, nonfiction, plays, poetry, short story; sports and recreation","keywords":"entertainment and pop culture, actors, comics, dance, film, food, music, theatre, tv; visual arts, architecture, fashion, painting, photography, sculpture; literature, fiction, nonfiction, plays, poetry, short story; sports and recreation","classId":"ART","sortOrder":6},"hashtags":["companion","poker","poker hands","winning","poker","odds","flush","straight","royal flush","straight flush","full house","cards","card games","betting","casino","Britannica","Encyclopedia Britannica","Encyclopaedia Britannica"],"hashtagsString":"companion, poker, poker hands, winning, poker, odds, flush, straight, royal flush, straight flush, full house, cards, card games, betting, casino, Britannica, Encyclopedia Britannica, Encyclopaedia Britannica","displayDate":[2023,5,23],"urlTitle":"poker-hands-ranked","featureSubType":"COMPANION","categories":[{"id":4000,"title":"Sports & Recreation","url":"Sports-Recreation","description":"Physical contests and recreational games have long played a part in human society. In both team and solo sports, the human body has been pushed to its limits in the name of improving athletic performance and in order to break record upon record. The ancient Olympic Games are an early example of the contests in which humans have engaged to showcase physical prowess. In modern times, sports and games have evolved into a lucrative and competitive industry, while other leisure activities, such as card and video games, can be competitive or just serve as a way to unwind or socialize.","image":{"id":0,"url":"/13/170713-131-8D6B0AF7.jpg","altText":"Sports & Recreation","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/13/170713-131-8D6B0AF7.jpg"}},{"id":10000,"title":"Entertainment & Pop Culture","url":"Entertainment-Pop-Culture","description":"Entertainment and leisure activities have been a part of culture in one form or another since the ancient times. Dance performances, live music, and storytelling have a long tradition throughout history, even as the styles and available methods of delivery have shifted dramatically.","image":{"id":0,"url":"/04/167104-050-A0D0F726.jpg","altText":"Entertainment & Pop Culture","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/04/167104-050-A0D0F726.jpg"}},null],"mainCategory":{"id":4000,"title":"Sports & Recreation","url":"Sports-Recreation","description":"Physical contests and recreational games have long played a part in human society. In both team and solo sports, the human body has been pushed to its limits in the name of improving athletic performance and in order to break record upon record. The ancient Olympic Games are an early example of the contests in which humans have engaged to showcase physical prowess. In modern times, sports and games have evolved into a lucrative and competitive industry, while other leisure activities, such as card and video games, can be competitive or just serve as a way to unwind or socialize.","image":{"id":0,"url":"/13/170713-131-8D6B0AF7.jpg","altText":"Sports & Recreation","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/13/170713-131-8D6B0AF7.jpg"}},"typeDisplayName":"Companion"},{"id":3763,"title":"6 Classical Dances of India","url":"/list/6-classical-dances-of-india","description":"Dance like 1.2 billion people are watching.","image":{"id":0,"url":"/89/162489-131-1E685B1B/Dancer-Indian-odissi-dance.jpg","altText":"Odissi Indian classical female dancer on white background. (Indian dancer; classical dancer; Indian dance)","credit":"© GAMUT STOCK IMAGES/Fotolia","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/89/162489-131-1E685B1B/Dancer-Indian-odissi-dance.jpg"},"type":"LIST","breadcrumb":{"homeLink":null,"items":[{"title":"List","url":"/list/browse"},{"title":"Visual Arts","url":"/list/browse/Visual-Arts"}],"lastItemTitle":"Visual Arts"},"superCategory":{"id":2,"title":"Arts & Culture","url":"Arts-Culture","description":"Explore arts and culture; entertainment and pop culture, actors, comics, dance, film, food, music, theatre, tv; visual arts, architecture, fashion, painting, photography, sculpture; literature, fiction, nonfiction, plays, poetry, short story; sports and recreation","keywords":"entertainment and pop culture, actors, comics, dance, film, food, music, theatre, tv; visual arts, architecture, fashion, painting, photography, sculpture; literature, fiction, nonfiction, plays, poetry, short story; sports and recreation","classId":"ART","sortOrder":6},"hashtags":["lists","britannica","encyclopedia","encyclopedia britannica","culture","arts","dance","india","bharata natyam","kathak","traditional","classical"],"hashtagsString":"lists, britannica, encyclopedia, encyclopedia britannica, culture, arts, dance, india, bharata natyam, kathak, traditional, classical","displayDate":[2013,10,25],"urlTitle":"6-classical-dances-of-india","featureSubType":"REGULAR","categories":[{"id":11000,"title":"Visual Arts","url":"Visual-Arts","description":"These are the arts that meet the eye and evoke an emotion through an expression of skill and imagination. They include the most ancient forms, such as painting and drawing, and the arts that were born thanks to the development of technology, like sculpture, printmaking, photography, and installation art. Though beauty is in the eye of the beholder, different eras in art history have had their own principles to define beauty, from the richly ornamented taste of the Baroque to the simple utilitarian style of the Prairie School.","image":{"id":0,"url":"/45/24345-050-78FAA104.jpg","altText":"Visual Arts","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/45/24345-050-78FAA104.jpg"}},null,null],"mainCategory":{"id":11000,"title":"Visual Arts","url":"Visual-Arts","description":"These are the arts that meet the eye and evoke an emotion through an expression of skill and imagination. They include the most ancient forms, such as painting and drawing, and the arts that were born thanks to the development of technology, like sculpture, printmaking, photography, and installation art. Though beauty is in the eye of the beholder, different eras in art history have had their own principles to define beauty, from the richly ornamented taste of the Baroque to the simple utilitarian style of the Prairie School.","image":{"id":0,"url":"/45/24345-050-78FAA104.jpg","altText":"Visual Arts","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/45/24345-050-78FAA104.jpg"}},"typeDisplayName":"List"},{"id":5727,"title":"What’s the Difference Between a President and a Prime Minister?","url":"/story/whats-the-difference-between-a-president-and-a-prime-minister","description":"It depends on where you’re standing.","image":{"id":0,"url":"/46/172446-131-3351BF8A/David-Cameron-Barack-Obama-talk-United-Kingdom-June-17-2013.jpg","altText":"David Cameron. President Barack Obama and Prime Minister David Cameron of the United Kingdom talk during the G8 Summit at the Lough Erne Resort in Enniskillen, Northern Ireland, June 17, 2013","credit":"Pete Souza—Official White House Photo","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/46/172446-131-3351BF8A/David-Cameron-Barack-Obama-talk-United-Kingdom-June-17-2013.jpg"},"type":"STORY","breadcrumb":{"homeLink":null,"items":[{"title":"Demystified","url":"/stories/demystified"},{"title":"Politics, Law & Government","url":"/stories/demystified/Politics-Law-Government"}],"lastItemTitle":"Politics, Law & Government"},"superCategory":{"id":5,"title":"History & Society","url":"History-Society","description":"Explore history and society; accidents and disasters; the age of revolutions; the ancient world; historic dynasties; global exploration; the middle ages; the modern world; prehistory; US history; world history; wars and battles; sociology; religion and philosophy; humanities; ethics; anthropology; festivals and holidays; human rights; human migration; international relations; politics, law, and government","keywords":"accidents and disasters; the age of revolutions; the ancient world; historic dynasties; global exploration; the middle ages; the modern world; prehistory; US history; world history; wars and battles; sociology; religion and philosophy; humanities; ethics; anthropology; festivals and holidays; human rights; human migration; international relations; politics, law, and government","classId":"HISTORY","sortOrder":1},"hashtags":["demystified","president","prime minister","politics","government","difference between","parliament","congress","senate"],"hashtagsString":"demystified, president, prime minister, politics, government, difference between, parliament, congress, senate","displayDate":[2016,7,13],"urlTitle":"whats-the-difference-between-a-president-and-a-prime-minister","featureSubType":"DEMYSTIFIED","categories":[{"id":9000,"title":"Politics, Law & Government","url":"Politics-Law-Government","description":"The world today is divided territorially into more than 190 countries, each of which possesses a national government that claims to exercise sovereignty and seeks to compel obedience to its will by its citizens. Governments can be classified in any number of ways. For example, they might be classified by the number of rulers, thus distinguishing government by one (as in a monarchy or a tyranny) from government by the few (in an aristocracy or oligarchy) and from government by the many (as in a democracy). Governments can also be classified by mode of succession; for example, ascension to governmental leadership may follow the rules of hereditary succession, or it may be determined through elections or by force. Governments also vary in terms of the laws and rules of conduct that each political entity follows.","image":{"id":0,"url":"/22/99622-050-E70BCD0A/Parthenon-Athens.jpg","altText":"Politics, Law & Government","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/22/99622-050-E70BCD0A/Parthenon-Athens.jpg"}},null,null],"mainCategory":{"id":9000,"title":"Politics, Law & Government","url":"Politics-Law-Government","description":"The world today is divided territorially into more than 190 countries, each of which possesses a national government that claims to exercise sovereignty and seeks to compel obedience to its will by its citizens. Governments can be classified in any number of ways. For example, they might be classified by the number of rulers, thus distinguishing government by one (as in a monarchy or a tyranny) from government by the few (in an aristocracy or oligarchy) and from government by the many (as in a democracy). Governments can also be classified by mode of succession; for example, ascension to governmental leadership may follow the rules of hereditary succession, or it may be determined through elections or by force. Governments also vary in terms of the laws and rules of conduct that each political entity follows.","image":{"id":0,"url":"/22/99622-050-E70BCD0A/Parthenon-Athens.jpg","altText":"Politics, Law & Government","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/22/99622-050-E70BCD0A/Parthenon-Athens.jpg"}},"typeDisplayName":"Demystified"},{"id":5563,"title":"10 Best Hockey Players of All Time","url":"/list/10-best-hockey-players-of-all-time","description":"Wanna fight about it?","image":{"id":0,"url":"/13/134913-131-D9520745/Ice-Sledge-Hockey-Canada-Cup-USA-ice-2010.jpg","altText":"Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics","credit":"© VANOC/COVAN","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/13/134913-131-D9520745/Ice-Sledge-Hockey-Canada-Cup-USA-ice-2010.jpg"},"type":"LIST","breadcrumb":{"homeLink":null,"items":[{"title":"List","url":"/list/browse"},{"title":"Sports & Recreation","url":"/list/browse/Sports-Recreation"}],"lastItemTitle":"Sports & Recreation"},"superCategory":{"id":2,"title":"Arts & Culture","url":"Arts-Culture","description":"Explore arts and culture; entertainment and pop culture, actors, comics, dance, film, food, music, theatre, tv; visual arts, architecture, fashion, painting, photography, sculpture; literature, fiction, nonfiction, plays, poetry, short story; sports and recreation","keywords":"entertainment and pop culture, actors, comics, dance, film, food, music, theatre, tv; visual arts, architecture, fashion, painting, photography, sculpture; literature, fiction, nonfiction, plays, poetry, short story; sports and recreation","classId":"ART","sortOrder":6},"hashtags":["National Hockey League","NHL","ice hockey","Gordie Howe","Wayne Gretzky","Bobby Orr","Mario Lemieux","Maurice Richard","Terry Sawchuk","Jean Béliveau","Jacques Plante","Steve Yzerman","Alex Ovechkin"],"hashtagsString":"National Hockey League, NHL, ice hockey, Gordie Howe, Wayne Gretzky, Bobby Orr, Mario Lemieux, Maurice Richard, Terry Sawchuk, Jean Béliveau, Jacques Plante, Steve Yzerman, Alex Ovechkin","displayDate":[2021,8,5],"urlTitle":"10-best-hockey-players-of-all-time","featureSubType":"REGULAR","categories":[{"id":4000,"title":"Sports & Recreation","url":"Sports-Recreation","description":"Physical contests and recreational games have long played a part in human society. In both team and solo sports, the human body has been pushed to its limits in the name of improving athletic performance and in order to break record upon record. The ancient Olympic Games are an early example of the contests in which humans have engaged to showcase physical prowess. In modern times, sports and games have evolved into a lucrative and competitive industry, while other leisure activities, such as card and video games, can be competitive or just serve as a way to unwind or socialize.","image":{"id":0,"url":"/13/170713-131-8D6B0AF7.jpg","altText":"Sports & Recreation","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/13/170713-131-8D6B0AF7.jpg"}},null,null],"mainCategory":{"id":4000,"title":"Sports & Recreation","url":"Sports-Recreation","description":"Physical contests and recreational games have long played a part in human society. In both team and solo sports, the human body has been pushed to its limits in the name of improving athletic performance and in order to break record upon record. The ancient Olympic Games are an early example of the contests in which humans have engaged to showcase physical prowess. In modern times, sports and games have evolved into a lucrative and competitive industry, while other leisure activities, such as card and video games, can be competitive or just serve as a way to unwind or socialize.","image":{"id":0,"url":"/13/170713-131-8D6B0AF7.jpg","altText":"Sports & Recreation","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/13/170713-131-8D6B0AF7.jpg"}},"typeDisplayName":"List"}]},"byline":null,"citationInfo":null,"websites":null,"freeTopicReason":"TOPIC_IS_INDEX_PAGE","articleSchemaMarkup":{"keywords":"Experimental Breeder Reactor II","wordcount":0,"url":"https://www.britannica.com/technology/Experimental-Breeder-Reactor-II","description":"Other articles where Experimental Breeder Reactor II is discussed: nuclear reactor: From production reactors to commercial power reactors: A much larger experimental breeder, EBR-II, was developed and put into service (with power generation) in 1963.","publisher":{"logo":{"url":"https://corporate.britannica.com/wp-content/themes/eb-corporate/_img/logo.png","@type":"ImageObject"},"name":"Encyclopedia Britannica","@type":"Organization"},"@context":"https://schema.org","@type":"article"},"studentArticle":false,"initialLoad":true}