All articles starting with R
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Ruthenium interconnects
Ruthenium interconnects are on-chip wiring made from the noble metal ruthenium, developed to replace copper in the most scaled layers of integrated circuits because it needs no diffusion barrier.
Ruthenium red
Ruthenium red is a trinuclear inorganic ruthenium-ammine dye, prepared in 1892, best known as a stain for pectin and acidic mucosubstances and as an inhibitor of mitochondrial calcium uptake.
Ruthenium-catalyzed C–H activation
Ruthenium-catalyzed C–H activation is a family of reactions in which a ruthenium complex cleaves a carbon–hydrogen bond and directly forms a new C–C or C–heteroatom bond, avoiding prefunctionalization.
Ruthenium(III) chloride
Ruthenium(III) chloride, or ruthenium trichloride (RuCl₃), is a compound of ruthenium in the +3 oxidation state whose layered α form is a leading candidate for realizing a Kitaev quantum spin liquid.
Ruthenium(IV) oxide
Ruthenium(IV) oxide, or ruthenium dioxide (RuO₂), is a black, metallically conductive crystalline oxide with the rutile structure and the most stable oxide of ruthenium, known for catalyzing oxygen and chlorine evolution and for use in supercapacitors.
Rutherford (Martian crater)
Rutherford is an IAU-named impact crater on Mars in Arabia Terra, about 107-110 km across, centered near 19 degrees north latitude. Named for physicist Ernest Rutherford in 1973, its floor shows basaltic sand and a dark wind streak.
Rutherford (unit)
The rutherford (Rd) is an obsolete unit of radioactivity equal to one million disintegrations per second, one megabecquerel, proposed in 1946 and made obsolete by the becquerel in 1975.
Rutherford Appleton Laboratory
Rutherford Appleton Laboratory (RAL) is the UK's largest scientific research site, on Harwell Campus, Oxfordshire, founded 1957, operated by STFC, and home to ISIS, the Central Laser Facility, and RAL Space.
Rutherford B. Hayes
Rutherford B. Hayes (1822–1893), nineteenth U.S. president (1877–1881), Ohio lawyer and Union major general; took office after the disputed 1876 election (185–184 electoral vote) and ended Reconstruction.
Rutherford backscattering spectroscopy
Rutherford backscattering spectroscopy (RBS) is a quantitative ion beam analysis technique that fires MeV ions, typically helium, at a sample to determine elemental composition and depth profiles without standards.
Rutherford County, Tennessee, United States
Rutherford County, Tennessee, is a fast-growing county in Middle Tennessee southeast of Nashville, with its county seat at Murfreesboro. Established in 1803, it counted 341,486 residents in 2020.
Rutherford Falls
Rutherford Falls is a Peacock sitcom (2021-2022) created by Sierra Teller Ornelas, Ed Helms, and Michael Schur, starring Helms and Jana Schmieding; the first US TV show run by a Native showrunner, canceled after two seasons.
Rutherford model
The Rutherford model, or Rutherford atom, is a 1911 model of the atom by Ernest Rutherford, with nearly all mass and positive charge in a tiny central nucleus.
Rutherford Ness Robertson
Sir Rutherford Ness Robertson, known as Bob, was an Australian plant physiologist who studied the link between respiration and salt transport in plant cells, and presided over the Australian Academy of Science.
Rutherfordium
Rutherfordium is a synthetic chemical element with symbol Rf and atomic number 104, a radioactive metal made only a few atoms at a time for research.
Rutherglen and Hamilton West (UK Parliament constituency)
Rutherglen and Hamilton West, a House of Commons burgh constituency in South Lanarkshire created in 2005 and abolished in 2024, known for Margaret Ferrier's recall petition and the 2023 Labour by-election gain.
Ruthie Ann Miles
Ruthie Ann Miles (Ruthie Ann Blumenstein), Korean-American stage and TV actress born 1983; Tony winner 2015 as Lady Thiang in The King and I; originated Imelda Marcos in Here Lies Love; 2023 Sweeney Todd Tony nominee.
Ruthie Bolton Holifield
Ruthie Bolton Holifield, aka Mighty Ruthie, Alice Ruth Bolton, American basketball guard, two-time Olympic gold medalist (1996, 2000), Auburn star, and original Sacramento Monarchs player whose No. 6 jersey is the only one the franchise retired.
Ruthie Henshall
Ruthie Henshall (Valentine Ruth Henshall, born 1967) is an English musical theatre actress and Olivier Award winner (She Loves Me, 1995), the only British actress to play all three leading female roles in Chicago, known for Les Misérables, Cats, Billy Elliot, and her memoir The Showgirl and the Prince.
Ruthless (2023 film)
Ruthless (2023 film), also called Acımasız in Turkey, is an Art Camacho action thriller starring Dermot Mulroney as a wrestling coach hunting a sex trafficking ring; released December 15, 2023 by Saban Films, distinct from Tyler Perry's Ruthless series.
Ruthless (TV series)
Tyler Perry's Ruthless: American drama, 2020–present, spinoff of The Oval on BET+ (season 6 moved to Paramount+, June 30, 2026), following Ruth Truesdale inside the Rakudushis cult; 6 seasons, 115 episodes, TV-MA.
Ruthless People
Ruthless People is a 1986 American black comedy film directed by the ZAZ team. It stars Danny DeVito and Bette Midler, and was Disney's highest-grossing movie of that year.
Ruthless Records
Ruthless Records: Compton, California hip-hop label founded by Eazy-E (Eric Wright) with Jerry Heller, 1986/1987; home of N.W.A, Straight Outta Compton, J.J. Fad, Bone Thugs-n-Harmony; now owned by Tomica Woods-Wright.
Ruthuragalu
Ruthuragalu is a Telugu daily serial directed by Manjula Naidu on Doordarshan, described as the first Telugu mega daily serial to win audiences beyond the mythologicals.
Ruthwell Cross
The Ruthwell Cross is an early eighth-century Anglo-Saxon stone high cross carved with scenes from Christ's life and inscriptions in Latin and Old English runes, now inside Ruthwell Parish Church in Dumfries and Galloway, Scotland.
Rutile
Rutile is a titanium dioxide mineral, the most thermodynamically stable of TiO₂'s three polymorphs, with a very high refractive index and use as a white pigment.
Rutile structure
The rutile structure is a tetragonal crystal structure type named after the mineral rutile, the most stable form of TiO2, with metals octahedrally coordinated by oxygen or fluorine.
Rutilus caspicus
Rutilus caspicus, the Caspian roach or vobla, is a Leuciscidae fish of Caspian Sea drainages, formerly Rutilus rutilus caspicus; IUCN Least Concern (2024) but collapsed as a Volga-Caspian fishery resource.
Rutilus frisii
Rutilus frisii (kutum, Black Sea roach, vyrezub) is a large semi-anadromous cyprinid of Black, Azov, and Caspian Sea basins, reaching 70 cm and 8 kg, spawning in gravel rivers, IUCN Least Concern.
Rutilus rutilus
Rutilus rutilus, the common roach (European roach, Plötze), is a Leuciscidae cyprinid fish native from Europe to Siberia, IUCN Least Concern, max 50.2 cm, spawning in April-May, invasive where introduced.