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Timeline for the day of the September 11 attacks. The hijacked United Airlines Flight 175 approaching the South Tower (left) as the North Tower (right) burns next to it. The September 11 attacks of 2001, in addition to being a unique act of terrorism, constituted a media event on a scale not seen since the advent of civilian global satellite links.
Artificial intelligence (AI) has been used in applications throughout industry and academia. In a manner analogous to electricity or computers, AI serves as a general-purpose technology that has numerous applications, including language translation, image recognition, decision-making, [1] [2] credit scoring and e-commerce.
Improved versions of the prism sheet have a wavy rather than a prismatic structure, and introduce waves laterally into the structure of the sheet while also varying the height of the waves, directing even more light towards the screen and reducing aliasing or moiré between the structure of the prism sheet and the subpixels of the LCD.
Bell Labs [a] is an American industrial research and development (R&D) company credited with the development of radio astronomy, the transistor, the laser, the photovoltaic cell, the charge-coupled device (CCD), information theory, the Unix operating system, and the programming languages B, C, C++, S, SNOBOL, AWK, AMPL, and others.
This is a list of the tallest people, verified by Guinness World Records or other reliable sources. According to the Guinness World Records, the tallest human in recorded history was Robert Wadlow of the United States (1918–1940), who was 272 cm (8 ft 11 in). He received media attention in 1939 when he was measured to be the tallest man in ...
Halley's Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, [ 16 ] appearing every 72–80 years. [ 17 ] It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061. Officially designated 1P/Halley, it is also commonly called Comet Halley, or sometimes simply ...
Arthur Robert Ashe Jr. (July 10, 1943 – February 6, 1993) was an American professional tennis player. He won three Grand Slam titles in singles and two in doubles. Ashe was the first black player selected to the United States Davis Cup team, and the only black man ever to win the singles titles at Wimbledon, the US Open, and the Australian Open.
Metropolis. (1927 film) Metropolis is a 1927 German expressionist science-fiction silent film directed by Fritz Lang and written by Thea von Harbou in collaboration with Lang [4][5] from von Harbou's 1925 novel of the same name (which was intentionally written as a treatment). It stars Gustav Fröhlich, Alfred Abel, Rudolf Klein-Rogge, and ...