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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 . The sequence commonly starts from 0 and 1, although some authors start the sequence from 1 and 1 or sometimes (as did Fibonacci ...
The 2020 United States presidential election was the 59th quadrennial presidential election, held on Tuesday, November 3, 2020.[a] The Democratic ticket of former vice president Joe Biden and the junior U.S. senator from California Kamala Harris defeated the incumbent Republican president, Donald Trump, and vice president, Mike Pence.[9] The ...
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Mitsubishi F-2. The General Dynamics F-16 Fighting Falcon is an American single-engine supersonic multirole fighter aircraft originally developed by General Dynamics for the United States Air Force (USAF). Designed as an air superiority day fighter, it evolved into a successful all-weather multirole aircraft with over 4,600 built since 1976. [4]
A, or a, is the first letter and the first vowel letter of the Latin alphabet,[1][2] used in the modern English alphabet, and others worldwide. Its name in English is a (pronounced /ˈeɪ/ AY), plural aes.[nb 1][2] It is similar in shape to the Ancient Greek letter alpha, from which it derives.[3] The uppercase version consists of the two ...
Novak Djokovic (Serbian: Новак Ђоковић, Novak Đoković, pronounced [nôʋaːk dʑôːkoʋitɕ] ⓘ;[6] born 22 May 1987) is a Serbian professional tennis player who is currently ranked world No. 1 in singles by the Association of Tennis Professionals (ATP). Djokovic has been ranked No. 1 for a record total of 425 weeks in a record ...
The Boeing 787 Dreamliner is an American wide-body airliner developed and manufactured by Boeing Commercial Airplanes . After dropping its unconventional Sonic Cruiser project, Boeing announced the conventional 7E7 on January 29, 2003, which focused largely on efficiency. The program was launched on April 26, 2004, with an order for 50 aircraft ...
Space Exploration Technologies Corporation. Space Exploration Technologies Corporation, commonly referred to as SpaceX, is an American spacecraft manufacturer, launch service provider and satellite communications company headquartered in Hawthorne, California. The company was founded in 2002 by Elon Musk with the goal of reducing space ...
