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  1. The BA-7 was designed by Björn Andreasson [] and flown by him in prototype form on 10 October 1958. He built this first plane in his spare time while working for Convair in the United States . It was powered by an air-cooled Continental A-75 engine giving 56 kW (75 hp) driving a two-bladed variable-pitch propeller .

  2. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any ...

  3. Fibonacci sequence. A tiling with squares whose side lengths are successive Fibonacci numbers: 1, 1, 2, 3, 5, 8, 13 and 21. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn .

  4. en.wikipedia.org › wiki › Airbus_A350Airbus A350 - Wikipedia

    That year, 93 aircraft were delivered, three more than expected. In 2019, Airbus delivered 112 A350s (87 A350-900s and 25 A350-1000s) at a rate of 10 per month, and were going to keep the rate around nine to 10 per month, to reflect softer demand for widebodies, as the backlog reached 579 − or 5.2 years of production at a constant rate.

  5. After the Deluge is an oil painting by English artist George Frederic Watts. Completed in 1891, it shows a scene from the story of Noah's Flood, in which Noah opens the window of his Ark to see that after 40 days the rain has stopped. The Symbolist painting is a stylised seascape, dominated by a bright sunburst breaking through clouds.

  6. en.wikipedia.org › wiki › WikipediaWikipedia - Wikipedia

    Wikipedia[note 3] is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the use of the wiki-based editing system MediaWiki. Wikipedia is the largest and most-read reference work in history.[3][4] It is consistently ranked as one of the ten most popular ...

  7. en.wikipedia.org › wiki › FacebookFacebook - Wikipedia

    Facebook is a social media and social networking service owned by the American technology conglomerate Meta. Created in 2004 by Mark Zuckerberg with four other Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, its name derives from the face book directories often given to American ...