{"fact":"On average, a cat will sleep for 16 hours a day.","length":48}
{"type":"standard","title":"Frans van Schooten","displaytitle":"Frans van Schooten","namespace":{"id":0,"text":""},"wikibase_item":"Q767210","titles":{"canonical":"Frans_van_Schooten","normalized":"Frans van Schooten","display":"Frans van Schooten"},"pageid":66858,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Frans_van_schooten_jr.jpg/330px-Frans_van_schooten_jr.jpg","width":320,"height":317},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/0/0e/Frans_van_schooten_jr.jpg","width":600,"height":594},"lang":"en","dir":"ltr","revision":"1286277546","tid":"02256ec7-1c9b-11f0-9e5e-94a4a981e052","timestamp":"2025-04-18T21:20:53Z","description":"Dutch mathematician (1615–1660)","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Frans_van_Schooten","revisions":"https://en.wikipedia.org/wiki/Frans_van_Schooten?action=history","edit":"https://en.wikipedia.org/wiki/Frans_van_Schooten?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Frans_van_Schooten"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Frans_van_Schooten","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Frans_van_Schooten","edit":"https://en.m.wikipedia.org/wiki/Frans_van_Schooten?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Frans_van_Schooten"}},"extract":"Frans van Schooten Jr. also rendered as Franciscus van Schooten was a Dutch mathematician who is most known for popularizing the analytic geometry of René Descartes. He translated La Géométrie in Latin and wrote commentaries and explanations to it. Because most contemporary scientists and mathematicians in Europe knew the invention of analytic geometry through Van Schooten's edition, with its extensive commentaries by Johannes Hudde, Johan de Witt, and Hendrik van Heuraet, he had a significant influence on the science and mathematics of Europe at the time; especially on the invention of calculus by Gottfried Leibniz and Isaac Newton.","extract_html":"
Frans van Schooten Jr. also rendered as Franciscus van Schooten was a Dutch mathematician who is most known for popularizing the analytic geometry of René Descartes. He translated La Géométrie in Latin and wrote commentaries and explanations to it. Because most contemporary scientists and mathematicians in Europe knew the invention of analytic geometry through Van Schooten's edition, with its extensive commentaries by Johannes Hudde, Johan de Witt, and Hendrik van Heuraet, he had a significant influence on the science and mathematics of Europe at the time; especially on the invention of calculus by Gottfried Leibniz and Isaac Newton.
"}{"slip": { "id": 221, "advice": "Share positive energy."}}
{"type":"standard","title":"Billiard ball","displaytitle":"Billiard ball","namespace":{"id":0,"text":""},"wikibase_item":"Q862747","titles":{"canonical":"Billiard_ball","normalized":"Billiard ball","display":"Billiard ball"},"pageid":618981,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Billiard_ball_comparison.jpg/330px-Billiard_ball_comparison.jpg","width":320,"height":107},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/b/b1/Billiard_ball_comparison.jpg","width":1226,"height":409},"lang":"en","dir":"ltr","revision":"1288786240","tid":"56c41c44-291c-11f0-8929-04644bba3a91","timestamp":"2025-05-04T19:16:54Z","description":"Ball used in cue sports","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Billiard_ball","revisions":"https://en.wikipedia.org/wiki/Billiard_ball?action=history","edit":"https://en.wikipedia.org/wiki/Billiard_ball?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Billiard_ball"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Billiard_ball","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Billiard_ball","edit":"https://en.m.wikipedia.org/wiki/Billiard_ball?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Billiard_ball"}},"extract":"A billiard ball is a small, hard ball used in cue sports, such as carom billiards, pool, and snooker. The number, type, diameter, color, and pattern of the balls differ depending upon the specific game being played. Various particular ball properties such as hardness, friction coefficient, and resilience are important to accuracy.","extract_html":"
A billiard ball is a small, hard ball used in cue sports, such as carom billiards, pool, and snooker. The number, type, diameter, color, and pattern of the balls differ depending upon the specific game being played. Various particular ball properties such as hardness, friction coefficient, and resilience are important to accuracy.
"}{"fact":"Some cats have survived falls of over 65 feet (20 meters), due largely to their \u201crighting reflex.\u201d The eyes and balance organs in the inner ear tell it where it is in space so the cat can land on its feet. Even cats without a tail have this ability.","length":249}