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Sasago Tunnel ceiling collapse
The Sasago Tunnel ceiling collapse killed nine people on 2 December 2012, when concrete ceiling panels fell onto the Chūō Expressway tunnel in Yamanashi Prefecture, Japan.
Sasan Mokhtari
Sasan Mokhtari is the founder, president, and CEO of Open Access Technology International (OATI), a Minneapolis energy software company he founded in 1995, elected to the National Academy of Engineering in 2019.
Sasan Ultra Mega Power Project
The Sasan Ultra Mega Power Project (Sasan UMPP) is a 3,960 MW coal-fired power station at Sasan in Singrauli district, Madhya Pradesh, India, developed by Reliance Power.
Sasanian defense lines
The Sasanian defense lines were linear walls, canals, and fortifications built by the Sasanian Empire of Iran (224–651) against nomads from the north and Arab tribes.
Sash window
A sash window, also known as a double-hung window, has vertically sliding panels counterbalanced by weights, a defining feature of British architecture since the late 17th century.
Sasha Luccioni
Sasha Luccioni is a Canadian-based computer scientist and Hugging Face's AI & Climate Lead, known for measuring the carbon footprint of large language models and named to TIME's 2024 AI list.
SaskPower
SaskPower, formally the Saskatchewan Power Corporation, is the Saskatchewan Crown corporation that supplies the province's electricity. Established in 1929, it is known for the Boundary Dam carbon capture project.
SaskTel
SaskTel, formally Saskatchewan Telecommunications, is the provincial Crown corporation providing telephone, wireless, internet, and TV services across Saskatchewan, tracing its origins to 1908 and serving about 1.4 million customer connections.
Sasol
Sasol Limited is a South African energy and chemicals company that converts coal into synthetic fuels at Secunda, supplying about a third of the country's liquid fuels.
Sasser (computer worm)
Sasser is a 2004 Windows network worm exploiting an LSASS buffer overrun to spread without email or user action, crashing infected machines into reboot loops.
SAT solver
A SAT solver is a computer program that decides whether a Boolean satisfiability formula has a variable assignment making it true, widely used in hardware and software verification.
SAT-3/WASC
SAT-3/WASC (South Atlantic 3/West Africa Submarine Cable) is a 14,350 km submarine fiber-optic cable running from Portugal to South Africa with landings in nine African countries, in service since 2002.
SATA
SATA (Serial Advanced Technology Attachment) is a computer bus interface connecting hard drives, optical drives, and solid-state drives, introduced in 2003 as the successor to parallel ATA.
SATA Express
SATA Express, also known as SATAe, is a storage interface standardizing PCI Express for client drives via a connector that also accepts ordinary SATA drives, ratified in 2013.
Satah Al Razboot field
The Satah Al Razboot (SARB) field is an offshore oil and gas field in the Arabian Gulf, about 120 kilometers northwest of Abu Dhabi, operated by ADNOC Offshore.
Satah Al Razboot Oil Field
Satah Al Razboot (SARB) is an offshore oil field in the Arabian Gulf, 120 kilometers northwest of Abu Dhabi, discovered in 1969 and producing since 2018.
Satake (company)
Satake Corporation (株式会社サタケ) is a Japanese manufacturer of grain and food processing machinery headquartered in Higashi-Hiroshima, Japan, best known for rice milling equipment and optical sorters since 1896.
Satchel
A satchel is a structured bag with a long shoulder strap, a front flap, and a buckle closure, used for books, mail, and as a fashion handbag.
Satcom (satellite series)
Satcom, short for RCA SATellite COMmunications, was a family of geostationary communications satellites launched by RCA Americom from 1975 that distributed cable and broadcast television across the United States.
Satcom 1
Satcom 1 was an American geostationary communications satellite launched by RCA on December 12, 1975, which became the main distribution platform for early American cable television.
Satellite
A satellite is a body that orbits another in space, either natural like the Moon or artificial; Sputnik 1, launched in 1957, was the first artificial satellite.
Satellite bus
A satellite bus is the underlying structure and support subsystems of a satellite, carrying the payload, the antennas, sensors, or transponders that perform the mission.
Satellite Catalog Number
The Satellite Catalog Number, also called the NORAD ID, is a sequential unique identifier assigned by US Space Command to every artificial object it tracks in Earth orbit.
Satellite Cluster Gas Field
The Satellite Cluster gas field is a deepwater natural gas field in India's Krishna-Godavari Basin, operated by Reliance Industries with bp, producing since April 2021.
Satellite constellation
A satellite constellation is a group of artificial satellites working together across multiple orbits, providing coverage, revisit rates, and resilience for navigation, communications, and Earth observation missions.
Satellite dish
A satellite dish, also known as a satellite antenna, is a parabolic reflector that collects radio signals from communications satellites, used for home television since 1980.
Satellite flare
A satellite flare is a brief brightening of a satellite when a flat surface mirrors sunlight directly at an observer, best known from the Iridium flares.
Satellite geodesy
Satellite geodesy is the branch of geodesy that uses tracked artificial satellites to determine positions on Earth, its gravity field, and its rotation, growing rapidly since 1956.
Satellite imagery
Satellite imagery is pictures of Earth built from radiation measured by sensors on orbiting spacecraft, with civilian imagery beginning with TIROS-1 in 1960 and including free Landsat archives, commercial sub-meter pictures, and radar satellites.
Satellite Internet access
Satellite Internet access, also called satellite broadband, delivers Internet through communications satellites where terrestrial networks are impractical, from geostationary orbit since Early Bird in 1965 and increasingly via low Earth orbit constellations such as Starlink.