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1 dzień temu · Cayley Q8 graph showing the six cycles of multiplication by i, j and k. (If the image is opened in the Wikimedia Commons by clicking twice on it, cycles can be highlighted by hovering over or clicking on them.). In mathematics, the quaternion number system extends the complex numbers.Quaternions were first described by the Irish mathematician William Rowan Hamilton in 1843 and applied to ...
8 godz. temu · Chicago O'Hare International Airport (IATA: ORD, ICAO: KORD, FAA LID: ORD) is a major international airport serving Chicago, Illinois, United States, located on the city's Northwest Side, approximately 17 miles (27 km) northwest of the Loop business district. Operated by the Chicago Department of Aviation and covering 7,627 acres (3,087 ha), O'Hare has non-stop flights to 214 destinations in ...
8 godz. temu · Time zone: Central Standard Time (CST) (−06:00) ... time the new runway was constructed) and the other three (17C/35C, 18L/36R, and 18R/36L) were extended in 2005. DFW is now the only airport in the world with four serviceable paved runways longer than 4,000 metres (13,123 ft). ... May 23, 2001: The right main landing gear of an American ...
8 godz. temu · A stained-glass panel from Canterbury Cathedral, c. 1175 – c. 1180. It depicts the Parable of the Sower, a biblical narrative. In the history of Europe, the Middle Ages or medieval period (also spelt mediaeval or mediæval) lasted from approximately 500 to 1500 AD. It is the second of the three traditional divisions of Western history: antiquity, medieval, and modern. Major developments ...
