All articles starting with R
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Rao Xianhong
Rao Xianhong (饶先宏) is a Chinese semiconductor engineer and associate professor who co-founded Changsha Jingjia Microelectronics in 2006 and was first completer of China's JM5400 embedded GPU.
Rao Y. Surampalli
Rao Y. Surampalli is an American environmental engineer who spent 29 years at the U.S. EPA and was elected to the National Academy of Engineering in 2026.
Rao–Blackwell theorem
The Rao–Blackwell theorem, also called the Rao–Blackwell–Kolmogorov theorem, is a result in statistical estimation theory proved by C. R. Rao and David Blackwell in 1945 and 1947.
Rao–Blackwellised particle filter
A Rao–Blackwellised particle filter (RBPF), also called a marginalized particle filter, is a sequential Monte Carlo method that samples only nonlinear states and estimates linear-Gaussian states by an attached Kalman filter.
Rao's
Rao's, founded 1896 in East Harlem by Charles Rao, is a ten-table Italian-American restaurant famed for lemon chicken and inherited standing table rights; its Rao's Homemade sauce brand went to Campbell's in 2024, distinct from the unrelated Rao's score test in statistics.
Raombana
Raombana (1809–1855) was a Merina historian and private secretary to Queen Ranavalona I of Madagascar, regarded as the first Malagasy historian; educated in Britain, he secretly wrote an 8,000-page history in English.
Raoul Bott
Raoul Bott (1923–2005) was a Hungarian-born American mathematician who spent most of his career at Harvard, known for the Bott periodicity theorem and work in Morse theory and topology.
Raoul Bova
Raoul Bova (born 1971, Rome) is an Italian actor known for La piovra, Ultimo, La finestra di fronte, Scusa ma ti chiamo amore, Baarìa, Under the Tuscan Sun, Alien vs. Predator, Don Matteo, and the 2020 book Le regole dell'acqua.
Raoul Bricard
Raoul Bricard (1870–1943 or 1944) was a French mathematician and engineer who classified flexible octahedra in 1897 and taught applied geometry at the CNAM in Paris.
Raoul Dandurand
Raoul Dandurand was a Canadian lawyer and Liberal Party senator who served 44 years in the Senate and held ministerial positions in every Mackenzie King cabinet.
Raoul Dufy
Raoul Dufy (1877-1953), French Fauvist painter, watercolorist, engraver, and textile designer from Le Havre; creator of La Fée Électricité (1937) and nearly 4,000 Bianchini Férier fabric motifs.
Raoul Duke
Raoul Duke is Hunter S. Thompson's alter ego and the narrator-protagonist of Fear and Loathing in Las Vegas (1971), a journalist traveling with Dr. Gonzo, based on Oscar Acosta; also Johnny Depp's 1998 film role.
Raoul Ė. Benveniste
Raoul Ė. Benveniste is an American virologist at the National Cancer Institute in Bethesda, Maryland, known for using endogenous retroviral genes as markers of mammalian evolution.
Raoul Follereau
Raoul Follereau (1903–1977) was a French writer and journalist, nicknamed the Vagabond of Charity, who created World Leprosy Day in 1954 and founded the Fondation Raoul-Follereau.
Raoul Hedebouw
Raoul Hedebouw is a Belgian politician who has led the Workers' Party of Belgium (PVDA-PTB) since 2014, sitting in the Chamber of Representatives and campaigning against cost-of-living measures.
Raoul Island
Raoul Island (Rangitāhua), largest of New Zealand's Kermadec Islands, 1,000 km northeast of the mainland; an active caldera volcano (eruptions 1814, 1870, 1964, 2006) staffed by DOC rangers and a nature reserve.
Raoul Kopelman
Raoul Kopelman (1933–2023) was an Israeli-born professor at the University of Michigan for 57 years, known for the Hoshen–Kopelman algorithm, fractal kinetics, and intracellular nanosensors.
Raoul Poupon
Raoul Poupon (born 1954) is a French hepatologist at Sorbonne Université and Hôpital Saint-Antoine in Paris who established ursodeoxycholic acid as the treatment of primary biliary cholangitis.
Raoul Silva
Raoul Silva, the Skyfall (2012) Bond villain played by Javier Bardem, is a disfigured former MI6 cyberterrorist seeking revenge on M; initially declined by Bardem until Sam Mendes pitched it in Spain.
Raoul Trujillo
Raoul Max Trujillo (born 1955, New Mexico) is an American actor, dancer, and choreographer, original choreographer of the American Indian Dance Theatre, known for Apocalypto's Zero Wolf, The New World, Mayans M.C., and Blue Beetle's Carapax.
Raoul Wallenberg
Raoul Wallenberg (1912–?), Swedish diplomat and businessman, saved tens of thousands of Hungarian Jews in Budapest in 1944 with protective passports and safe houses; arrested by Soviet forces in January 1945, he disappeared in Soviet custody, and his exact fate remains unresolved.
Raoul Walsh
Raoul Walsh (Albert Edward Walsh, 1887-1980), American film director, actor, and Academy founder; directed Regeneration, The Thief of Bagdad, The Big Trail, The Roaring Twenties, and White Heat.
Raoult's law
Raoult's law is a law of solution thermodynamics stating that a component's vapor pressure above a liquid mixture is proportional to its mole fraction, exact for ideal solutions.
Rap carioca
Rap carioca is the rap and funk scene of Rio de Janeiro, rooted in the Miami-bass baile funk dances of the 1980s and best known for the crime-themed proibidão subgenre.
Rap Devil
Rap Devil is Machine Gun Kelly's September 3, 2018 diss track answering Eminem's "Not Alike" from Kamikaze; title inverts "Rap God," produced by Ronny J, peaked at No. 13 on the Hot 100, answered by "Killshot."
Rap God
"Rap God" is a 2013 hip hop song by the American rapper Eminem, from his album The Marshall Mathers LP 2. It reached number 7 on the Billboard Hot 100.
Rap metal
Rap metal, also called rap-metal, fuses hardcore rap vocals with heavy metal guitars; born from Run-DMC/Aerosmith and Anthrax/Public Enemy, peaking with Limp Bizkit and Rage Against the Machine, distinct from nu metal.
Rap of China (中国新说唱)
Rap of China (中国新说唱, originally 中国有嘻哈) is an iQiyi rap competition show first aired in 2017, which popularized Chinese hip-hop, crowned GAI and PG One, and was renamed in 2018 under state censorship.
Rap opera
Rap opera, also called hip hopera or rapera, is a rap or hip-hop work in operatic form, spanning stage shows, TV films like Carmen: A Hip Hopera (MTV, 2001), and narrative concept albums such as R. Kelly's Trapped in the Closet.
Rap rock
Rap rock, also called rap-rock, is a fusion genre combining hip-hop rapped vocals with rock instrumentation, song structures, and aesthetics. It emerged in 1984 with Run-DMC's "Rock Box", broke through via the 1986 Run-D.M.C./Aerosmith "Walk This Way", and peaked commercially in the 1990s nu-metal era.