All articles starting with S
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Serial reaction time task
The serial reaction time task (SRTT) is a behavioral paradigm in cognitive psychology that measures implicit sequence learning, introduced by Nissen and Bullemer in 1987.
Serial Shipping Container Code
The Serial Shipping Container Code (SSCC) is an 18-digit GS1 identification number that uniquely identifies a logistic unit, such as a case, pallet, or parcel, throughout transport and storage.
Serial-position effect
Serial-position effect: memory depends on an item's position in a sequence, with primacy (early items) and recency (late items) advantages over middle items, producing the U-shaped free-recall curve first quantified by Murdock in 1962.
Serialism
Serialism, also called twelve-tone technique or dodecaphony, is a compositional method using a fixed ordered series, usually of the twelve chromatic pitch classes, devised by Arnold Schoenberg in the 1920s and extended postwar to rhythm, dynamics, and timbre.
Serialization
Serialization, also called object or data serialization, is the process of converting a data structure or object into bytes for storage or transmission, with deserialization reconstructing it.
Serialized fiction
Serialized fiction is fiction published in successive installments in magazines, newspapers, or part-issues rather than as a complete book; it dominated Victorian publishing and survives in web fiction platforms.
Serialized fiction in Japanese literary magazines
Serialized fiction in Japanese literary magazines (連載小説): novels published in successive magazine installments, a form growing from Meiji newspaper tsuzukimono fiction, standardized at about 40 pages per installment, and feeding the tankōbon and bunko book pipeline.
Serials crisis
Serials crisis, also called journals crisis: the sustained rise of scholarly journal prices faster than inflation and library budgets, defined by 1989 after the 1986 price spike, driving big deals, cancellations, and the open access movement.
Seriation (archaeology)
Seriation is an archaeological relative dating method that orders artifacts, assemblages, or sites into a chronological sequence based on changing styles, pioneered by Flinders Petrie for Predynastic Egypt.
Seriatopora hystrix
Seriatopora hystrix (needle coral, Dana 1846) is a common Indo-Pacific pocilloporid stony coral with thin needle-like branches, a brooding hermaphrodite with vertically transmitted symbionts, a depth generalist from reef flats to mesophotic reefs, and a cryptic species complex.
Serica Energy
Serica Energy is a British independent oil and gas company operating in the UK North Sea, delivering over 10% of UK gas production and growing through acquisitions.
Sericin
Sericin is a glue-like globular protein from silkworms, chiefly Bombyx mori, that binds silk fibers and is studied for wound dressings, drug delivery, and cosmetics.
Sericulture
Sericulture, or silk farming, is the rearing of silkworms, chiefly Bombyx mori on mulberry, to produce silk. Originating in China around 2700 BCE by tradition, it now centers on China and India, with mulberry silk about 90% of world output.
Seridó UNESCO Global Geopark
Seridó UNESCO Global Geopark (Geoparque Seridó), designated 2022, is a 2,800 km² semi-arid territory in Rio Grande do Norte, Brazil, with 21 geosites, 600 million years of geological record, scheelite mining, and Caatinga biodiversity.
Serie A
Serie A, Italy's top football league run by Lega Serie A, dates to 1898 and its modern 20-club round-robin format to 1929; known for the scudetto, spareggio play-off, Dazn/Sky TV rights, and uneven club finances.
Serie A (women's football)
Serie A Femminile, marketed as Serie A Women, is the top division of women's football in Italy, professional since 2022-23 and contested by 12 clubs from 2025-26.
Serie B
Serie B (Serie BKT) is Italy's second-division professional football league, run by Lega Nazionale Professionisti Serie B since 1929/30; two direct promotions plus playoffs, three relegations, and among Europe's most balanced leagues.
Serie C
Serie C, also called Lega Pro, is Italy's third professional football division: 60 clubs in three regional groups of 20, with four promotions to Serie B via group winners and a 28-team playoff, and relegation play-outs to Serie D.
Serie D
Serie D, the top Italian amateur football championship and fourth tier, run by the LND's Interregional Department: 162 clubs in nine regional groups, nine promotions to Serie C, four relegations per group to Eccellenza.
Series (mathematics)
A series, or infinite series, is the sum of the terms of a sequence, defined as the limit of its partial sums when that limit exists.
Series 4000 (satellite bus)
The Series 4000 is a three-axis stabilized geostationary communications satellite bus introduced in 1985 by RCA Astro-Electronics, first flown on the Satcom K satellites and later adapted as the basis for GPS Block IIR navigation satellites.
Series 7 exam
The Series 7 exam, FINRA's General Securities Representative Examination, is a 125-question, 3-hour-45-minute test costing $395 that, with the SIE, qualifies brokers to sell all securities products.
Series A round
A Series A round is a startup's first priced institutional financing, in which the company sells preferred stock to venture investors at a negotiated price, typically $10–15 million.
Series and parallel circuits
Series and parallel circuits are the two fundamental ways of connecting components in an electrical circuit: series gives one current path, parallel gives each component the same voltage.
Series and parallel springs
Series and parallel springs are the two basic ways of connecting springs, combined through an effective spring constant that is softer in series and stiffer in parallel.
Series arc fault detection
Series arc fault detection identifies sustained electric arcs in series with a conductor, most often in the DC circuits of photovoltaic systems, where they pose a fire hazard.
Series Elastic Actuator
A series elastic actuator (SEA) is a robotic actuator with a spring in series between motor and output, proposed by Gill Pratt and Matthew Williamson at MIT in 1995.
Series finale
Series finale: the planned final episode of an entire TV show, distinct from a season finale. Term arose in early 1990s America; milestones include The Fugitive (78 million viewers, 1967) and M*A*S*H (105.9 million, 1983).
Series finale of The Late Show with Stephen Colbert
Series finale of The Late Show with Stephen Colbert, aired May 21, 2026, ended Colbert's 11-year CBS run; 6.74 million same-day viewers, 9.77 million Live+7, featured Paul McCartney singing "Hello, Goodbye" as the Ed Sullivan Theater lights went out.
Series of tubes
"Series of tubes" is a phrase Senator Ted Stevens of Alaska used in 2006 during a net neutrality debate, describing the Internet as "not a big truck."