{"type":"standard","title":"Archimedean circle","displaytitle":"Archimedean circle","namespace":{"id":0,"text":""},"wikibase_item":"Q4786887","titles":{"canonical":"Archimedean_circle","normalized":"Archimedean circle","display":"Archimedean circle"},"pageid":17848663,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/6/66/Archimedes%27_Circles.svg/330px-Archimedes%27_Circles.svg.png","width":320,"height":183},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/6/66/Archimedes%27_Circles.svg/866px-Archimedes%27_Circles.svg.png","width":866,"height":494},"lang":"en","dir":"ltr","revision":"1286437359","tid":"81cf4d3f-1d6c-11f0-acac-086e9a05f048","timestamp":"2025-04-19T22:20:32Z","description":"Circle in the arbelos congruent to the twin circles","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Archimedean_circle","revisions":"https://en.wikipedia.org/wiki/Archimedean_circle?action=history","edit":"https://en.wikipedia.org/wiki/Archimedean_circle?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Archimedean_circle"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Archimedean_circle","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Archimedean_circle","edit":"https://en.m.wikipedia.org/wiki/Archimedean_circle?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Archimedean_circle"}},"extract":"In geometry, an Archimedean circle is any circle constructed from an arbelos that has the same radius as each of Archimedes' twin circles. If the arbelos is normed such that the diameter of its outer (largest) half circle has a length of 1 and r denotes the radius of any of the inner half circles, then the radius ρ of such an Archimedean circle is given by","extract_html":"
In geometry, an Archimedean circle is any circle constructed from an arbelos that has the same radius as each of Archimedes' twin circles. If the arbelos is normed such that the diameter of its outer (largest) half circle has a length of 1 and r denotes the radius of any of the inner half circles, then the radius ρ of such an Archimedean circle is given by
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{"fact":"Not every cat gets \\high\\\" from catnip. Whether or not a cat responds to it depends upon a recessive gene: no gene\"","length":115}
{"fact":"A cat has approximately 60 to 80 million olfactory cells (a human has between 5 and 20 million).","length":96}
{"slip": { "id": 56, "advice": "Try to do the things that you're incapable of."}}
{"type":"standard","title":"Nelson Mandela Bridge","displaytitle":"Nelson Mandela Bridge","namespace":{"id":0,"text":""},"wikibase_item":"Q10991765","titles":{"canonical":"Nelson_Mandela_Bridge","normalized":"Nelson Mandela Bridge","display":"Nelson Mandela Bridge"},"pageid":12413503,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/5/54/South_Africa-Johannesburg-Nelson_Mandela_Bridge001.jpg/330px-South_Africa-Johannesburg-Nelson_Mandela_Bridge001.jpg","width":320,"height":240},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/5/54/South_Africa-Johannesburg-Nelson_Mandela_Bridge001.jpg","width":3264,"height":2448},"lang":"en","dir":"ltr","revision":"1270172619","tid":"4061a44b-d56f-11ef-b80d-6e45e03fca40","timestamp":"2025-01-18T07:38:47Z","description":"Bridge in Johannesburg, South Africa","description_source":"local","coordinates":{"lat":-26.1967,"lon":28.0342},"content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Nelson_Mandela_Bridge","revisions":"https://en.wikipedia.org/wiki/Nelson_Mandela_Bridge?action=history","edit":"https://en.wikipedia.org/wiki/Nelson_Mandela_Bridge?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Nelson_Mandela_Bridge"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Nelson_Mandela_Bridge","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Nelson_Mandela_Bridge","edit":"https://en.m.wikipedia.org/wiki/Nelson_Mandela_Bridge?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Nelson_Mandela_Bridge"}},"extract":"Nelson Mandela Bridge is a bridge in Johannesburg, South Africa. It is the fourth of five bridges which cross the railway lines and sidings located just west of Johannesburg Park Station, the first being the Johan Rissik Bridge adjacent to the station. It was completed in 2003, and cost R38 million to build. The proposal for the bridge was to link up two main business areas of Braamfontein and Newtown as well as to rejuvenate and to a certain level modernise the inner city. The bridge forms part of the M27 Route of Johannesburg.","extract_html":"
Nelson Mandela Bridge is a bridge in Johannesburg, South Africa. It is the fourth of five bridges which cross the railway lines and sidings located just west of Johannesburg Park Station, the first being the Johan Rissik Bridge adjacent to the station. It was completed in 2003, and cost R38 million to build. The proposal for the bridge was to link up two main business areas of Braamfontein and Newtown as well as to rejuvenate and to a certain level modernise the inner city. The bridge forms part of the M27 Route of Johannesburg.
"}{"fact":"Cats have 30 teeth (12 incisors, 10 premolars, 4 canines, and 4 molars), while dogs have 42. Kittens have baby teeth, which are replaced by permanent teeth around the age of 7 months.","length":183}
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