All articles starting with R
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Rubber bullet
A rubber bullet, or rubber baton round, is a blunt-impact projectile fired by police and military for crowd control, first used in Northern Ireland in 1970 despite documented deaths and injuries.
Rubber duck
Rubber duck, also called rubber duckie or bath duck: a floating yellow bath toy, patented in duck form from 1933 (Shannahan) and 1949 (Ganine, Leaf), now vinyl, popularized by Sesame Street's 1970 "Rubber Duckie."
Rubber duck debugging
Rubber duck debugging, also called rubberducking, is a debugging method in which a programmer explains code aloud, line by line, to an inanimate object like a rubber duck.
Rubber elasticity
Rubber elasticity is the capacity of polymers to undergo very large deformations and recover completely; the elastic stress comes from the loss of chain conformational entropy, not stored bond energy.
Rubber hose animation
Rubber hose animation, also called rubber hose art, is the jointless, elastic-limbed cartoon style dominant in 1920s and early 1930s American animation, credited to Bill Nolan, exemplified by Steamboat Willie and Fleischer's Betty Boop, and revived in Cuphead.
Rubber Hut
Rubber Hut is an upcoming American drama film written and directed by Hanna Gray Organschi, starring Grace Van Patten as a drive-thru condom seller in 1992 Rhode Island.
Rubber soldiers
Rubber soldiers (soldados da borracha) were about 60,000 Brazilian workers recruited from 1942 to 1945 to tap Amazon rubber for the Allies in World War II.
Rubber Soul
Rubber Soul: The Beatles' sixth studio album, released 3 December 1965 on Parlophone. Recorded in 113 hours at Abbey Road, it introduced the sitar on "Norwegian Wood", topped UK/US charts, inspired Pet Sounds, and received a 2026 Dolby Atmos Special Edition.
Rubber Soul: Special Edition
Rubber Soul: Special Edition is the 2 October 2026 expanded reissue of the Beatles' 1965 album Rubber Soul, newly mixed by Giles Martin and Sam Okell in stereo and Dolby Atmos, with original mono and Capitol US mixes, unreleased sessions, and the unheard Lennon demo Little Girl.
Rubber stamp (politics)
Rubber stamp (politics): a legislature that formally approves laws but lacks independence to reject or amend executive proposals. Also called arena parliament; contrasted with transformative legislatures; common label for authoritarian parliaments challenged by recent scholarship.
Rubberwood
Rubberwood, also known as parawood or Malaysian oak, is the timber of the rubber tree, felled after 25 to 30 years of latex tapping and used for furniture.
Rubberz
"Rubberz" (also RUBBERZ) is a June 5, 2026 synth-pop single by Fenix Flexin and Purps On The Beat on EMPIRE, peaking at No. 58 on the Billboard Hot 100, and the subject of AI-generation allegations that Fenix admitted in August 2026. Distinct from unrelated songs titled Rubberz by blu, One Thatz Dope, and YNU Shi.
Rubbing
A rubbing (tàběn) is a paper copy of text or decoration engraved on stone or bronze, made by dabbing ink over damp paper pressed onto the surface.
Rubbing alcohol
Rubbing alcohol, also known as surgical spirit, is a household and clinical antiseptic, most commonly 70% isopropyl alcohol in water, used on skin and for disinfecting small objects.
Rubble mound breakwater
A rubble mound breakwater is the most common breakwater type, built of a stone core, filter layer, and armor layer, tolerating settlement and degrading gradually rather than failing suddenly.
Rubble pile (asteroid)
A rubble pile asteroid is not a solid rock but a collection of boulders held together by gravity, typically 200 m to 10 km in diameter.
Rube Foster
Rube Foster (Andrew Bishop Foster, 1879-1930), Negro leagues pitcher, manager, and owner of the Chicago American Giants; founded the Negro National League in 1920 and was elected to the Baseball Hall of Fame in 1981.
Rube Goldberg
Rube Goldberg (Reuben Garrett Lucius Goldberg, 1883–1970), American Pulitzer-winning cartoonist and mining-engineering graduate whose invention cartoons of absurdly complicated chain-reaction machines made his name a dictionary adjective.
Rube Goldberg machine
A Rube Goldberg machine is a chain-reaction contraption that performs a simple task in an indirect, overly complicated way, named after the American cartoonist Rube Goldberg.
Rube Waddell
Rube Waddell (George Edward Waddell, 1876-1914), Hall of Fame left-handed pitcher for the Philadelphia Athletics; 193-143, 2.16 ERA, 2,316 strikeouts, 1905 AL Triple Crown, famous for eccentric behavior.
Rubel
Rubel, full name Rubel Brisolla, is a Brazilian singer-songwriter from Volta Redonda who has released four albums since 2013, including "Quando Bate Aquela Saudade" and "Partilhar" with ANAVITÓRIA.
Rubella
Rubella (German measles) is a contagious RNA virus infection causing mild fever and rash, but severe fetal harm; preventable by the MMR vaccine, with 100,000 CRS births yearly and elimination verified in 98 countries.
Rubella arthritis
Rubella arthritis is joint inflammation or pain caused by rubella virus infection or, less often, vaccination, affecting mostly adult women and usually resolving within a month.
Rubella panencephalitis
Rubella panencephalitis (progressive rubella panencephalitis, PRP) is an extremely rare, fatal slow-virus encephalitis appearing years after congenital or childhood rubella, with dementia, ataxia, and seizures; fewer than 20 cases reported.
Rubella vaccine, live, attenuated
Rubella vaccine, live, attenuated: the RA 27/3 strain vaccine against German measles, isolated 1965 at the Wistar Institute, US-licensed 1979, given as MR, MMR, or MMRV, >95% effective in one dose.
Rubella with neurological complications
Rubella with neurological complications is the classification category (ICD-11 code 1F02.0) for rubella cases complicated by nervous-system disease, covering postinfectious encephalitis, congenital anomalies, and the rare progressive rubella panencephalitis.
Rubella without complication
Rubella without complication (ICD-10-CM B06.9; ICD-11 1F02.2) is uncomplicated German measles: mild rash, low fever, and lymphadenopathy without organ involvement, requiring lab confirmation and public health reporting.
Rubem Fonseca
Rubem Fonseca (José Rubem Fonseca, 1925–2020) was a Brazilian writer from Minas Gerais, best known for crime fiction set in Rio de Janeiro, including the once-banned Feliz ano novo.
Rubem Robierb
Rubem Robierb (born 1976, Maranhão, Brazil) is a Brazilian-American multidisciplinary artist working in photography, painting, sculpture, and installation, known for Bullets and Butterflies, Dream Machine, Empower Flower, and Miami's FIFA World Cup 2026 host city poster.
Rubem Valentim
Rubem Valentim (1922–1991) was a self-taught Brazilian painter, sculptor, printmaker, and teacher from Salvador, Bahia, who became a central figure of twentieth-century Brazilian art through geometric compositions built from Candomblé and Umbanda symbols.