All articles A–Z
519,064 articles
Singularity avoidance
Singularity avoidance is the set of methods in robot kinematics and control that keep a manipulator away from or safely through singular poses, where required joint velocities become unbounded.
Singularity Intelligent Control
Singularity Intelligent Control is a Shanghai startup, founded in 2026, making non-contact optical six-dimensional force sensors that cut robot force sensing from tens of thousands of RMB to thousands.
Singulation
Singulation is the process of separating a bulk stream of items into individual, spaced units moving in single file, typically for parcel scanning and sortation.
Sinhabahu
Sinhabahu (සිංහබාහු) is a Sinhala musical drama by Ediriweera Sarachchandra, first staged in 1961, based on the Mahavamsa legend of a son who kills his lion father.
Sinhagad (सिंहगड)
Sinhagad (सिंहगड), formerly known as Kondhana, is a hill fortress in Maharashtra, India, about 35 km southwest of Pune, known for its 1670 recapture by Tanaji Malusare.
Sinhala folk poetry
Sinhala folk poetry (janakavi, the verses called kavi) is the orally transmitted four-line rhymed verse tradition of the Sinhalese people of Sri Lanka, documented from the fourteenth century.
Sinhala language
Sinhala (සිංහල), or Sinhalese, is an Indo-Aryan language spoken by about 16 million people in Sri Lanka, where it is an official language alongside Tamil. Its closest relative is Maldivian Dhivehi; earliest inscriptions date to the late 3rd or early 2nd century BCE.
Sinhala Nadagam
Sinhala Nadagam (සිංහල නාඩගම්) is a fully sung Sinhala folk musical drama combining song, dance, and acting, developed in coastal Sri Lanka from about 1750.
Sinhalese New Year
The Sinhalese New Year, or Aluth Avurudda, is Sri Lanka's national New Year festival on April 13 and 14, celebrated by Sinhalese Buddhists and Tamil Hindus alike.
Sinhalese people (සිංහල ජනතාව)
Sinhalese people (සිංහල ජනතාව), Sri Lanka's largest ethnic group: Sinhala-speaking, mostly Theravada Buddhist, 74.12% of the 2024 census population, tracing origins to Prince Vijaya and shaped by caste, kinship, and Sinhala Buddhist nationalism.
Sinharaja Forest Reserve (සිංහරාජ රක්ෂිතය)
Sinharaja Forest Reserve (සිංහරාජ රක්ෂිතය) is Sri Lanka's last viable primary lowland tropical rainforest, an 8,864-ha UNESCO World Heritage Site since 1988 with over 60% endemic trees and 19 of 20 endemic birds.
Sini Oil and Gas Field
The Sini Oil and Gas Field is an onshore field in Tabasco, Mexico, discovered in 2012 and operated by Petróleos Mexicanos (Pemex), producing super light crude oil and wet gas.
Sini Siro
Sini Siro (born 2002) is a Finnish speed skater of Seinäjoen Urheilijat who won gold in the mixed NOC team sprint at the 2020 Lausanne Winter Youth Olympics in 2:04.10, and placed 30th, 27th, and =29th in her individual events.
Sinicization
Sinicization (Hanhua 汉化, Zhongguohua 中国化) is the assimilation of non-Chinese peoples into Chinese language and culture, and the contested historiographical theory built on it, covering conquest dynasties, the New Qing History debate, and the CCP's post-2015 Sinicization of religion policy.
Sinigang
Sinigang is the Filipino sour soup or stew, built on pork, beef, fish, shrimp, or chicken with vegetables and a fruit souring agent, usually tamarind; also called sour broth, it is culturally Tagalog and ranked TasteAtlas' best soup in 2021.
Siniša Karan
Siniša Karan (Синиша Каран), born 1962, Serbian jurist and SNSD politician; former RS interior minister, OFAC-sanctioned 2025, and President of Republika Srpska since February 2026 after the snap and rerun elections.
Siniša Mali (Синиша Мали)
Siniša Mali (Синиша Мали), born 1972 in Belgrade, is a Serbian politician and Minister of Finance since 2018, previously Mayor of Belgrade from 2014 to 2018.
Siniša Mihajlović (Синиша Михајловић)
Siniša Mihajlović (Синиша Михајловић), Serbian footballer and coach (1969-2022), European Cup winner with Red Star 1991, Lazio and Inter Serie A winner, Serie A record 28 free-kick goals, later Bologna and Milan coach.
Sinisa Urban
Siniša Urban is a Croatian-born, Canada-raised molecular biologist and Johns Hopkins professor known for discovering the rhomboid proteases, enzymes that cut proteins within the membrane bilayer.
Sinister (film)
Sinister (2012) is a supernatural horror film directed by Scott Derrickson, co-written with C. Robert Cargill, starring Ethan Hawke as true-crime writer Ellison Oswalt, who finds murderous Super 8 reels linked to the deity Bughuul; a $3 million Blumhouse hit grossing about $80 million worldwide.
Sinister 2
Sinister 2 (2015) is a supernatural horror sequel directed by Ciarán Foy, written by Scott Derrickson and C. Robert Cargill, starring James Ransone and Shannyn Sossamon; Focus Features released it to 14% on Rotten Tomatoes and $27.7 million US gross.
Sinister Six
The Sinister Six is Marvel Comics' Spider-Man supervillain team, debuting in Amazing Spider-Man Annual #1 (1964) under Doctor Octopus with Electro, Kraven, Mysterio, Sandman, and Vulture; membership rotates across re-formations, games, and an unmade 2016 Sony film.
Sinitic languages
Sinitic languages (汉语族), the Chinese branch of the Sino-Tibetan family, about 1.3 billion speakers, comprising 7-10 traditionally recognized groups such as Mandarin, Min, and Yue, largely mutually unintelligible and typologically distinct from Tibeto-Burman.
Sinitta
Sinitta (Sinitta Renay Malone, born 1963, Seattle) is an American-British pop singer, Cowell's first Fanfare Records artist, known for 1980s hits "So Macho" (UK No.2) and "Toy Boy" (UK No.4), Gold albums Sinitta! and Wicked, and later X Factor mentoring.
Sinjai Plengpanich
Sinjai Plengpanich (สินจัย เปล่งพานิช), nicknamed Nok, is a Thai actress born in Bangkok in 1965 who began in film in 1982 and later starred in musicals.
Sinjar Alliance
Sinjar Alliance (Shingal Alliance), a Yazidi armed coalition in Iraq's Sinjar district formed after the August 2014 ISIL massacre; founding member YBŞ, with YJÊ women's units under KCK, collaborating with the PKK's HPG.
Sinjar massacre
Sinjar massacre: ISIS assault on Yazidis in Sinjar, Iraq, from August 3, 2014 (also called Shingal genocide); thousands killed, thousands abducted, later recognized by UN investigations as genocide against the Yazidi.
Sinjhoro
Sinjhoro (سنجھورو) is a town and taluka in Sanghar District, Sindh, Pakistan, 12 km west of Sanghar city; 2023 census: 354,709 tehsil residents, 907 sq km, 16.9% urban, 42.0% literacy, and ruins of the Arab capital Mansura within its bounds.
Sinjong of Goryeo
Sinjong of Goryeo (Korean: 신종, 神宗), personal name Wang Tak, was the 20th king of Korea's Goryeo dynasty, reigning 1197 to 1204 as a figurehead under the military ruler Choe Chung-heon.
Sink
A sink is a bowl-shaped plumbing fixture supplied by a faucet and drained through a trap, used for washing hands, dishes, and food in kitchens and bathrooms.