All articles starting with S
44,216 articles
Stacie Orrico
Stacie Orrico (born 1986, Seattle) is an American CCM-turned-pop/R&B singer known for Genuine (2000), the 2003 self-titled album, and hits "Stuck" and "(There's Gotta Be) More to Life", plus Beautiful Awakening (2006).
Stačilo!
Stačilo! ("Enough!") is a Czech left-wing patriotic political movement built around KSČM, chaired by Daniel Sterzik with Kateřina Konečná as lead face; it won 9.56% and two MEP seats in 2024 but 4.3% in 2025.
Stack (abstract data type)
A stack, also called a push-down store, is an abstract data type where only the most recently added item may be removed, following last-in, first-out order.
Stack (mathematics)
In algebraic geometry, a stack is a category fibred in groupoids over schemes that behaves like a sheaf of geometric objects, introduced by Deligne and Mumford in 1969 to solve moduli problems with automorphisms.
Stack algorithm (sequential detection)
The stack algorithm, also called the Zigangirov–Jelinek (ZJ) algorithm, is a sequential decoding method that keeps explored paths in a metric-sorted stack; it was introduced by Zigangirov in 1966 and independently by Jelinek in 1969.
Stack effect
Stack effect, also known as chimney effect or natural draught, is the movement of air through buildings driven by temperature-based density differences between indoor and outdoor air.
Stack Exchange
Stack Exchange is a network of question-and-answer websites, started in 2008, where users ask questions, answer them, and earn reputation and badges; its largest site is Stack Overflow.
Stack machine
A stack machine, also called a stack computer, is a computer or virtual machine whose instructions take operands from a last-in, first-out stack rather than named registers.
Stack overflow
A stack overflow is a runtime fault where a program's call stack exceeds its allocated memory, typically crashing the program, most often caused by unbounded recursion.
Stack Overflow
Stack Overflow, the largest site in the Stack Exchange network, is a programming question-and-answer website launched in 2008 and acquired by Prosus in 2021 for about $1.8 billion.
Stack trace
A stack trace, also called a backtrace or traceback, is a report of the active function-call chain in a program, showing function names, source files, and line numbers.
Stack v Dowden
Stack v Dowden [2007] UKHL 17, House of Lords cohabitation property case: joint-names homes start at equal beneficial shares, heavy burden to displace; Dowden won 65/35; developed by Jones v Kernott.
Stack ventilation
Stack ventilation, sometimes called buoyancy ventilation or the stack effect, is a passive ventilation method in which rising warm air pulls fresh outdoor air in through low-level openings.
Stack-oriented programming
Stack-oriented programming is a style of programming in which operations take their arguments from a stack rather than named variables; its best-known language is Forth.
Stacked CMOS image sensor
A stacked CMOS image sensor bonds a light-capturing pixel chip and a signal-processing circuit chip on top of each other, introduced by Sony in 2012.
Stacked ensemble learning
Stacked ensemble learning, or stacking, is a machine learning method in which a second-level meta-learner is trained on the predictions of several base models, introduced by David Wolpert in 1992.
Stacked ensemble model
Stacked ensemble model (stacking) is a supervised machine learning method that trains a second-level meta-model on the predictions of diverse base models to achieve higher accuracy.
Stacked generalization
Stacked generalization, or stacking, is an ensemble method in machine learning that trains a meta-learner on the outputs of base models, proposed by David Wolpert in 1992.
Stackelberg game
A Stackelberg game is a game-theoretic model of hierarchical decision-making in which a leader commits to a strategy first and the follower best-responds, applied in economics and security.
Stacker crane
A stacker crane is a rail-mounted machine that automatically stores and retrieves pallets or totes in a single warehouse rack aisle, defining the crane-based AS/RS.
Stacking (chemistry)
Stacking in chemistry, also called π–π stacking or aromatic stacking interaction, is the noncovalent association of aromatic rings whose overlapping π-orbitals shape DNA, proteins, and crystals.
Stacking fault
A stacking fault is a planar crystal defect where the regular stacking sequence of atomic planes is interrupted, forming during crystal growth or plastic deformation.
Stacking order
Stacking order is the relative sliding and twisting between atomically thin layers of a van der Waals material, tuning band gaps, excitons, magnetism, and ferroic, correlated, and topological states.
Stacy Clausen
Stacy Clausen (born 2005) is an Australian actor from Melbourne, star of Crazy Fun Park and Leviticus, and cast member of True Spirit, Shiver, The Mosquito Bowl, and The Last Druid.
Stacy Dragila
Stacy Dragila (born 1971, Auburn, California) is a retired American pole vaulter, first Olympic women's pole vault champion (Sydney 2000, 4.60 m), 1997 World Indoor and 1999/2001 World champion, with 18 world records and a 4.83 m American record.
Stacy Garrity
Stacy Garrity is an American politician and retired Army Reserve colonel serving as Pennsylvania State Treasurer since 2021 and the Republican nominee for governor in 2026.
Stacy Haiduk
Stacy Haiduk (Stacy Lynne Haiduk), American actress born 1968 in Grand Rapids, Michigan; played Lana Lang in Superboy and Lt. Cmdr. Hitchcock in seaQuest DSV, then daytime villains Patty Williams on Y&R and Kristen DiMera/Susan Banks on Days of Our Lives; four Daytime Emmy nominations.
Stacy Keach
Stacy Keach (Walter Stacy Keach Jr.), American actor born 1941 in Savannah, Georgia; Tony-nominated Shakespearean stage star (Indians, King Lear), Golden Globe winner for Hemingway, Mike Hammer and Prison Break TV actor, Theater Hall of Fame 2015.
Stacy Keibler
Stacy Keibler (Stacy Ann-Marie Keibler, born 1979), Baltimore-born model, actress, and retired wrestler; WCW Nitro Girl "Skye"/Miss Hancock, WWE Diva who managed the Dudley Boyz, Dancing with the Stars finalist, and 2023 WWE Hall of Fame inductee.
Stacy Lattisaw
Stacy Lattisaw (Stacy Lattisaw-Jackson), born 1966 in Washington, D.C., is an American R&B singer, a teenage Cotillion/Atlantic star of hits like "Let Me Be Your Angel" and the 1989 No. 1 Johnny Gill duet, later a gospel minister.