All articles starting with S
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Side platform
A side platform is a railway station platform placed alongside one track, with the platform edge on one side of the rails only; two-track lines typically use a pair, one per direction.
Side project time
Side project time, also known as Innovation Time Off or twenty percent time, is self-directed work on personal projects outside assigned duties, from software to freelance services.
Side Quest (TV series)
Side Quest (formerly Mere Mortals) is a 2025 Apple TV+ four-episode comedy anthology spinoff of Mythic Quest, created by Ashly Burch, Katie McElhenney, and John Howell Harris, premiering March 26, 2025.
Side stitch
Side stitch, or exercise-related transient abdominal pain (ETAP), is sharp, well-localized abdominal pain during exercise, most common in running and horse riding, worsened by pre-exercise eating, decreasing with age, and attributed mainly to parietal peritoneum irritation.
Side Story of Fox Volant (飞狐外传)
Side Story of Fox Volant (飞狐外传) is a 2022 Chinese wuxia drama adapted from Jin Yong's novel, directed by Lian Yiming, starring Qin Junjie as Hu Fei; 40 episodes on Tencent Video from August 31, 2022, Douban 7.1.
Side to Side
"Side to Side" is a 2016 pop-reggae song by Ariana Grande featuring Nicki Minaj from Dangerous Woman, written with Max Martin and Ilya; it peaked at number 4 in the UK and is RIAA 4x Platinum.
Side-channel and loophole analysis in QKD security proofs
Side channel and loophole analysis in QKD security proofs examines how real device imperfections, such as detector blinding and noise, invalidate idealized security assumptions.
Side-channel attack
A side-channel attack extracts secrets from timing, power, or electromagnetic byproducts of hardware operation; Paul Kocher's 1996 timing attack showed keys leak through execution time.
Side-hole fiber
Side-hole fiber is a polarization-maintaining optical fiber with two parallel air channels running through the cladding on either side of the core, making it birefringent and pressure sensitive.
Side-scan sonar
Side-scan sonar is a sonar technique that transmits sound pulses sideways from a towed or vehicle-mounted device, building acoustic images of the seafloor rather than depth maps.
Sideband cooling
Sideband cooling is a laser cooling technique that drives trapped atoms or ions on a motional sideband to remove vibrational energy, cooling below the Doppler limit.
Sideburns
Sideburns, also called side-whiskers or British sideboards, are facial hair grown in front of the ears. Named via reversed 'burnsides' for Civil War general Ambrose Burnside; the word dates to 1880 in American English.
Sidecar (cocktail)
Sidecar: classic IBA sour of cognac, triple sec (Cointreau) and lemon juice, shaken and served up, often with a sugar rim; first printed 1922 by MacElhone and Vermeire, ratio disputed (equal parts vs 2:1:1).
Sidehill gouger
Sidehill gouger, also gyascutus or wampahoofus, a fearsome critter of North American lumberjack folklore: a beast with legs shorter on one side, able to circle a hill in only one direction and helpless on flat ground, descended from European tales like the dahu and Browne's 1646 badger belief.
Sidekick
Sidekick: a companion character to a more important protagonist, formally the deuteragonist. Covers the archetype's history from Enkidu and Dr. Watson to Robin (1940), its four classic narrative roles, and works named Sidekick.
Sidekicks (1992 film)
Sidekicks is a 1992 American martial arts comedy-drama directed by Aaron Norris. It follows a bullied student who dreams of being the sidekick to Chuck Norris.
Sideline Group
Sideline Group is a New York investment firm founded by former Tiger Global partner Greg Mazlin, backing growth-stage consumer, sports, and media businesses it calls the "Offline Economy".
Sidelined 2: Intercepted
Sidelined 2: Intercepted is a 2025 Tubi Original romantic dramedy, sequel to Sidelined: The QB and Me, directed by Justin Wu and starring Noah Beck and Siena Agudong as college sweethearts Drayton and Dallas, based on Tay Marley's Wattpad story.
Sidelined: The QB and Me
Sidelined: The QB and Me (The QB Bad Boy and Me) is a 2024 Tubi Original teen romantic comedy directed by Justin Wu, starring Siena Agudong and Noah Beck, adapted from Tay Marley's Wattpad novel and a #1 Tubi hit in the US and Canada.
Sideloading
Sideloading, or side loading, is installing an app from a source other than the official app store, such as a website, alternative marketplace, or direct file transfer.
Sidemen
The Sidemen (formerly The Ultimate Sidemen) are a British seven-member YouTube collective founded 19 October 2013 by KSI, Miniminter, Zerkaa, TBJZL, Behzinga, Vikkstar123, and W2S, known for Sidemen Sunday, the Wembley charity match, brands like XIX Vodka and Sides, and KSI's 2026 exit.
Sidemount diving
Sidemount diving: scuba configuration carrying cylinders at the diver's sides instead of the back, originated in cave diving, offers independent redundant gas and in-water tank clipping, but requires regulator switching.
Sidenreng
Sidenreng (Sidénréng) was a Bugis kingdom on the fertile plains west of Lake Tempe in inland South Sulawesi, Indonesia, a leading member of the Ajattappareng confederation.
Sidepiece b2b Lee Foss
Sidepiece b2b Lee Foss is a back-to-back DJ billing pairing the Grammy-nominated house duo Sidepiece with Chicago-born DJ Lee Foss, tied together by the 2022 single "1, 2 Step (Supersonic)".
Siderastrea siderea
Siderastrea siderea, the massive starlet coral, is a common western Atlantic reef coral with corallites over 3 mm across, an 822 Mb genome, high bleaching tolerance, and a critically endangered listing.
Sidereal and tropical astrology
Sidereal and tropical astrology (Sanskrit Sayana and Nirayana) are the two main zodiac systems; tropical anchors 0° Aries to the March equinox, sidereal to the stars.
Sidereal time
Sidereal time is a timekeeping system used in astronomy that measures Earth's rotation relative to the stars; its day runs about 4 minutes shorter than a solar day.
Sidereal year
The sidereal year is Earth's orbital period measured against the background stars, lasting 365.2564 days, about 20 minutes longer than the tropical year because of axial precession.
Siderite
Siderite, also called spathic iron, is a brownish iron carbonate mineral, FeCO3, in the calcite group, used as a minor iron ore and common in sedimentary iron formations.
Sideritis
Sideritis (ironwort, Greek mountain tea, τσάι του βουνού) is a Lamiaceae genus of 148 species from Europe to China; four species hold an EU traditional herbal monograph for cough, cold, and mild gastrointestinal complaints.