All articles starting with S

Stagecoach Group

Stagecoach Group, also known as Stagecoach plc, is a British bus and coach operator founded in 1980 by Brian Souter and Ann Gloag, headquartered in Perth, Scotland.

Stagecraft: the technical aspects of theatrical, film, and video production, covering scenery, lighting, costumes, props, sound, rigging, and stage management, distinct from scenography, with roots in Greek and Renaissance theatre and extended uses in music performance and ILM's virtual production system.

Stagecraft software

Stagecraft software is the family of computer programs used in technical theater, including drafting tools such as Vectorworks Spotlight and WYSIWYG, which integrates CAD, plots, data, visualization, and virtual show control.

Staged

Staged is a British sitcom starring David Tennant and Michael Sheen. It follows two actors rehearsing a West End play over video calls during the COVID-19 pandemic.

Staged combustion cycle

The staged combustion cycle is a closed liquid rocket engine cycle in which preburner gas drives the turbopumps and is then burned again in the main chamber.

Staged excision

Staged excision is a surgical technique that removes a skin tumor layer by layer, with each specimen examined microscopically, used mainly for melanoma in situ such as lentigo maligna.

Oct 22, 2026

Staged photography

Staged photography is the deliberate arranging or constructing of a scene before the camera, rather than recording a spontaneous moment; it is also called directorial photography.

Staged Z-pinch

The staged Z-pinch is a magneto-inertial fusion concept introduced in 1995, in which a pulsed current drives a plasma liner onto deuterium fuel; experiments have produced over 10 billion neutrons.

Oct 21, 2026

Stageira

Stageira, also Stagirus (Greek: Στάγειρα), was an ancient Greek city on the Chalkidiki peninsula, founded about 655 BC and known as the birthplace of Aristotle.

Stages and classifications of the Tour de France

The stages and classifications of the Tour de France cover its 21 stages, stage types, and the parallel jersey competitions for overall, points, climbing, and young riders.

Oct 22, 2026

Stages on Life's Way

Stages on Life's Way (Stadier paa Livets Vei) is an 1845 book by Søren Kierkegaard, a sequel to Either/Or presenting his three stages of existence: the aesthetic, ethical, and religious.

Stagflation

Stagflation, also called recession-inflation, is a period of high inflation, elevated unemployment, and stagnant output at once, seen in the United States during the 1970s oil shocks.

Stagger Lee

Stagger Lee, also Stagolee or Stack O'Lee, is an American folk ballad based on Lee Shelton's 1895 murder of Billy Lyons in a St. Louis saloon over a hat, recorded over 500 times since 1923 and reinvented across genres from blues to punk.

Staggered difference-in-differences

Staggered difference-in-differences is a family of econometric designs estimating causal effects when units adopt treatment at different times, using adoption-timing variation and avoiding biased two-way fixed effects comparisons.

Staggered fermions

Staggered fermions, also called Kogut–Susskind fermions, are a lattice discretization of fermions introduced by Susskind in 1977, placing one Dirac component per lattice site and remaining widely used in QCD simulations.

Staggered formation

Staggered formation is a motorcycle group-riding arrangement where riders alternate between the left and right thirds of one lane, offset diagonally behind the rider ahead.

Staghorn coral

Staghorn coral (Acropora cervicornis, coral cuerno de venado) is a fast-growing branching Caribbean reef coral, IUCN Critically Endangered and ESA Threatened after 97% decline from white band disease, warming, and the 2023 Florida heat wave.

Staging laparoscopy

Staging laparoscopy is a minimally invasive surgical procedure that inspects the abdomen with a laparoscope and takes biopsies to detect hidden cancer spread before planned curative surgery.

Staging laparotomy

A staging laparotomy is an operation opening the abdomen to inspect and biopsy cancer directly, converting clinical stage into pathologic stage based on tissue findings.

Stagnation point

A stagnation point is a point in a fluid flow where the local velocity is zero because oncoming fluid is brought to rest against a solid surface.

Stagnation pressure

Stagnation pressure, also called total pressure, is the pressure a flowing fluid would reach after a loss-free, isentropic deceleration to rest, and it is measured with Pitot and Kiel probes.

Stags (TV series)

Stags is a 2024 British six-part Paramount+ comedy-drama thriller created by Daniel Cullen, also known as Despedida salvaje. A stag do in South America ends in a lawless island prison run by warring cocaine-smuggling siblings; filmed in Tenerife by Eleven Film.

Stahl (company)

Stahl is a Dutch specialty chemicals company founded in 1930 that makes coatings and surface treatments for leather, textiles, and packaging. Henkel acquired it in 2026 for €2.1 billion.

Stahlhelm

The Stahlhelm (German for "steel helmet") is the German military steel combat helmet introduced in 1916 to protect troops against shell splinters, becoming an enduring symbol of twentieth-century German history.

Oct 21, 2026

Staigue stone fort

Staigue stone fort (Cathair na Steige) is a large dry-stone ringfort near Castlecove, County Kerry, Ireland, about 27 m across with walls up to 6 m high; its date is debated between Iron Age and early medieval.

Staind

Staind: American rock band formed 1995 in Springfield, Massachusetts (Aaron Lewis, Mike Mushok). Nu-metal/post-grunge act behind Break the Cycle (5x platinum), "It's Been Awhile," three Billboard 200 No. 1 albums, 2019 reunion, and 2023's Confessions of the Fallen.

Stained Class

Stained Class: Judas Priest's fourth studio album, released 10 February 1978 on CBS/Columbia, first with drummer Les Binks and the band's iconic logo; produced by Dennis MacKay, home of 'Exciter', a cited speed/thrash prototype.

Stained glass

Stained glass: colored glass, usually leaded and often painted and fired, seen in transmitted light; peaked in Europe 1150–1500; covers materials, history, conservation, lead exposure, Notre-Dame debate.

Staines-upon-Thames

Staines-upon-Thames, formerly Staines, is a market town in Spelthorne, Surrey, on the Thames. Roman Ad Pontes/Pontibus at the London–Silchester road crossing; Domesday Stanes; renamed Staines-upon-Thames in 2012.