All articles A–Z
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Simone Weil
Simone Weil (1909–1943), French philosopher, mystic, and activist; author of The Need for Roots and The Iliad, or the Poem of Force. Known for her concepts of attention and affliction, her factory year, her Spanish Civil War service, and her posthumous fame.
Simone Zaza
Simone Zaza (born 1991, Policoro) is a retired Italian centre-forward; Sassuolo, Juventus (2015/16 treble), West Ham, Valencia, Torino; 18 Italy caps, 2 goals; famous for the Euro 2016 penalty miss vs Germany; recorded retired 1 January 2025.
Simone Zimmerman
Simone Zimmerman (born 1990) is an American Jewish activist, co-founder of IfNotNow and former J Street U president, briefly Bernie Sanders' 2016 Jewish outreach coordinator and subject of the documentary Israelism.
Simonelli (crater on Pluto)
Simonelli is a 286-km-wide impact crater on Pluto's non-encounter hemisphere, IAU-approved May 30, 2019 and named for Damon Simonelli (1959–2004), the Cornell astronomer who modeled Pluto and Charon's interiors; it shows a concentric ring-like structure and may be Pluto's largest crater.
Simonetta Stefanelli
Simonetta Stefanelli, Italian actress born 1954 in Rome, played Apollonia in The Godfather (1972) at 16, worked in 1970s Italian cinema, married Michele Placido, retired in 1992, and runs a Rome fashion business.
Simonetta Vespucci
Simonetta Vespucci (Simonetta Cattaneo, c. 1453–1476) was a Genoese noblewoman who married Marco Vespucci of Florence and was idealized by Lorenzo de' Medici's circle; documented by a burial register and one letter, not by verified Botticelli portraits.
Simonides (Mercurian crater)
Simonides is an impact crater on Mercury near 29.1°S, 44.9°W, IAU gazetteer feature ID 5541, with listed diameters of 87 and 95 km, in the size band where Mercury lacks craters relative to the Moon.
Simonides of Ceos
Simonides of Ceos (c. 556 – 468/7 BC) was a Greek poet from Iulis on Ceos, ranked with Pindar, whose epigrams commemorated Thermopylae, Salamis, and Plataea.
Simons Foundation
The Simons Foundation is a New York City private foundation established in 1994 by Jim and Marilyn Simons that funds basic research in mathematics and the sciences.
Simons Laufer Mathematical Sciences Institute
The Simons Laufer Mathematical Sciences Institute (SLMath), formerly the Mathematical Sciences Research Institute, is a nonprofit institute for collaborative mathematical research in Berkeley, California, opened in 1982.
Simons Observatory
The Simons Observatory is a cosmic microwave background observatory at 5,190 meters in Chile's Atacama Desert, combining one large and three small telescopes to test cosmic inflation.
Simony
Simony, whose practitioners are called Simoniacs, is the buying or selling of spiritual things such as sacraments or church offices, named for Simon Magus, who offered the apostles money in Acts 8.
Simoom
Simoom (Arabic: سموم, samūm, "poison wind"), also spelled simoon or samoom, is a hot, dry, dust-laden desert wind of the Sahara, the Levant, and Arabia, briefly reaching 54 °C.
Simorgh Playground
Simorgh Playground (شهربازی سیمرغ) is a theme park in Semnan, Iran, within the 80-hectare Simorgh Park at the city's western entrance, offering rides, karting, a pool, boat rides, and lodging suites, open evenings 18:00–23:00; distinct from Simorgh parks in Isfahan, Kish, and Mazandaran.
Simoting Corona
Simoting Corona is a 270 km wide corona, a quasi-circular volcano-tectonic feature, on Venus at 41.20°N, 21.50°E, IAU-approved in 2003 and named for the Naga ancestor figure.
SIMOX
SIMOX (Separation by IMplantation of OXygen) is a process for fabricating silicon-on-insulator wafers by implanting oxygen ions into silicon and annealing, developed in the 1970s for radiation-hardened and high-speed circuits.
Simp
Simp is internet slang for someone, usually a man, showing excessive devotion to a romantic interest without reciprocation. Clipped from "simpleton" (1903), it spread via hip-hop, the manosphere, and TikTok's 2019 Simp Nation trend.
Simple acyclic thioesters
Simple acyclic thioesters are open-chain organic compounds of the formula R–C(=O)–S–R′, distinct from thionoesters, more electrophilic than oxygen esters, and important as activated acyl carriers in metabolism.
Simple additive weighting
Simple additive weighting (SAW), also known as the weighted sum method, is a multi-criteria decision analysis method that ranks alternatives by scoring each against weighted criteria and summing the results.
SIMPLE algorithm
The SIMPLE algorithm (Semi-Implicit Method for Pressure-Linked Equations) is an iterative pressure-correction method for computing incompressible fluid flows, introduced by Patankar and Spalding in 1972 and still standard in CFD software.
Simple Binary Encoding
Simple Binary Encoding (SBE) is a binary message encoding standard published by the FIX Trading Community for high-performance trading, encoding and decoding messages in tens of nanoseconds.
Simple chronic bronchitis
Simple chronic bronchitis (ICD-11 CA20.10, ICD-10 J41.0) is chronic mucus hypersecretion with productive cough but no airflow obstruction; also called chronic catarrhal or smokers bronchitis.
Simple columnar epithelium
Simple columnar epithelium (Epithelium simplex columnare) is a single layer of tall cells with basal oval nuclei, ciliated in the female genital tract and nonciliated with microvilli in the gastrointestinal and biliary tracts, serving secretion and absorption.
Simple cryoglobulinemia
Simple cryoglobulinemia, also called type I or monoclonal cryoglobulinemia, is a serum disorder in which one monoclonal immunoglobulin (usually IgG or IgM) precipitates below 37°C, almost always linked to B-cell disorders like myeloma or Waldenström macroglobulinemia.
Simple DirectMedia Layer
Simple DirectMedia Layer (SDL) is a cross-platform C development library that gives applications low-level access to audio, input, and graphics hardware, used by emulators and games.
Simple distillation
Simple distillation is a laboratory separation technique that boils a liquid mixture once and condenses the vapor, best for components with boiling points far apart.
Simple English Wikipedia
Simple English Wikipedia, also known as Simple Wikipedia, is a Wikimedia wiki with separate, shorter articles written in simplified language for children and English learners.
Simple febrile seizures
Simple febrile seizures are brief (<15 min), generalized, non-recurrent seizures with fever in children 6-60 months, also called typical febrile convulsions. They affect 2-5% of children, need no EEG or imaging, and carry an excellent prognosis with about one-third recurrence risk.
Simple File Transfer Protocol
Simple File Transfer Protocol (SFTP) is a file transfer protocol for the ARPA-Internet, specified in RFC 913 by Mark K. Lottor of MIT and published in September 1984.
Simple Gifts
Simple Gifts ('Tis the Gift to Be Simple) is an 1848 Shaker dance song by Elder Joseph Brackett of Alfred, Maine, made famous by Aaron Copland's variations in Appalachian Spring (1944) and later used in Old American Songs, Lord of the Dance, and Air and Simple Gifts.