All articles starting with S
44,216 articles
Steam power during the Industrial Revolution
Steam power in the Industrial Revolution: Newcomen's 1712 atmospheric engine, Watt's 1769 separate condenser, slow diffusion from mining to manufacturing, and revised estimates of steam's economic contribution in Britain.
Steam Powered Giraffe
Steam Powered Giraffe is a San Diego theatrical music project formed in 2008 by twins David and Bunny Bennett, performing as Victorian-era robots built in 1896 by fictional inventor Peter A. Walter, with albums from Album One (2009) to Music from SteamWorld Heist II (2024).
Steam railcar
A steam railcar, or steam-powered railcar, is a self-propelled passenger coach carrying its own steam engine and boiler, an ancestor of the diesel multiple unit used on branch lines from around 1900.
Steam reforming
Steam reforming, also known as steam methane reforming, is an industrial catalytic process in which methane reacts with high-temperature steam to produce hydrogen and carbon monoxide.
Steam trap
A steam trap is an automatic valve that drains condensate from steam lines and equipment while blocking live steam and venting air, using thermostatic, mechanical, or thermodynamic designs.
Steam turbine
A steam turbine, also called the Parsons turbine, converts thermal energy of pressurized steam into rotational mechanical energy; Charles Parsons built the first modern multi-stage design in 1884.
Steam turbine locomotive
A steam turbine locomotive converts boiler steam into traction through a rotary turbine rather than cylinders, experimented with from 1918 through the 1950s in Sweden, Germany, Britain, and the United States.
Steam-assisted gravity drainage
Steam-assisted gravity drainage (SAGD) is an enhanced oil recovery method that uses two horizontal wells to recover heavy oil and bitumen, widely used in Alberta's oil sands.
Steam-generating heavy water reactor
The steam-generating heavy water reactor (SGHWR) is a nuclear reactor design in which pressure tubes of enriched uranium fuel and boiling light water coolant pass through a heavy water moderator.
Steam–diesel hybrid locomotives
A steam–diesel hybrid locomotive combines a steam plant and an internal-combustion engine in one machine. The best known is the Kitson–Still, tested by the LNER from 1928.
Steamboat
A steamboat is a boat propelled by a steam engine, usually with paddle wheels; it dominated river transport in North America and Britain in the nineteenth century.
Steamboat Bill, Jr.
Steamboat Bill, Jr. is Buster Keaton's 1928 silent comedy, his last independent film, about a collegian and his riverboat-captain father, famous for the cyclone sequence and falling house-facade stunt, released 12 May 1928 and in US public domain since 1956.
Steamboat Geyser
Steamboat Geyser, in Norris Geyser Basin, Yellowstone, is the world's tallest active geyser, with major eruptions over 91 m, intervals of 3 days to 50 years, and active phases in the 1960s, 1980s, and since 2018.
Steamboat Springs, Colorado
Steamboat Springs is a home rule city in Routt County, Colorado, founded in the late 1880s by James Crawford, known for mineral springs, Steamboat Ski Resort, and a severe workforce housing shortage.
Steamboat Willie
Steamboat Willie is the 1928 Walt Disney animated short, animated by Ub Iwerks, that premiered November 18, 1928 as the first released Mickey Mouse cartoon with synchronized sound, and entered the US public domain on January 1, 2024.
Steamboy (スチームボーイ)
Steamboy (スチームボーイ) is Katsuhiro Otomo's 2004 steampunk anime film about young inventor Ray Steam and the Steam Ball; Sunrise production, $22 million budget, most expensive Japanese anime at the time.
SteamOS
SteamOS is a Linux-based operating system developed by Valve that runs the Steam gaming platform on dedicated gaming hardware, most prominently the Steam Deck handheld, released in 2022.
Steampunk
Steampunk is a subgenre of science fiction and fantasy featuring advanced steam and clockwork technology in Victorian or Wild West settings, coined by K. W. Jeter in 1987.
Steamship
A steamship is a ship propelled by a steam engine or turbine rather than sails, displacing sail in commercial shipping almost entirely by the early twentieth century.
SteamWorld Heist
SteamWorld Heist is a 2015 turn-based tactics game by Image & Form (SteamWorld series) in which robot pirates led by Captain Piper Faraday board ships; manual aiming and ricochet bullets distinguish it from XCOM-style dice-roll combat.
Steane code
The Steane code is a [[7,1,3]] quantum error-correcting code proposed by Andrew Steane in 1996 that encodes one logical qubit in seven physical qubits and corrects any single-qubit error.
Stearic acid
Stearic acid, also called octadecanoic acid, is a saturated C18 fatty acid found in animal and vegetable fats and used in soaps, cosmetics, and candles.
Stearidonic acid soybean oil
Stearidonic acid soybean oil (Soyamega, MON 87769) is a genetically modified soybean oil from Monsanto and Solae, about 20-30% SDA omega-3, GRAS in 2009, raising EPA but not DHA.
Stearns County
Stearns County, Minnesota: central Minnesota county established February 20, 1855, named for Charles Thomas Stearns via a clerical error; county seat St. Cloud; 158,292 residents in 2020, 164,110 estimated 2025; FIPS 27145.
Stearoyl-CoA 9-desaturase
Stearoyl-CoA 9-desaturase (SCD, Δ9 desaturase), an endoplasmic reticulum enzyme making monounsaturated fatty acids from palmitoyl- and stearoyl-CoA; isoforms SCD1-SCD4 in mouse, SCD1 and SCD5 in humans; metabolic drug target.
Stearyl alcohol
Stearyl alcohol, also called 1-octadecanol or octadecyl alcohol, is a saturated fatty alcohol with formula C18H38O, used in cosmetics and ointments as an emollient and thickener.
Steatoda
Steatoda (false widow, cupboard spiders) is a theridiid spider genus with 120 species worldwide; bites cause steatodism, prolonged pain milder than Latrodectus envenomation, from venom containing alpha-latrotoxin.
Steatoda grossa
Steatoda grossa, known as the false black widow or cupboard spider, is a cobweb spider native to Europe and Asia that resembles black widows but is less dangerous.
Steatoda nobilis
Steatoda nobilis, the noble false widow, is a theridiid spider native to Madeira and the Canary Islands, invasive across Western Europe, California, and South America, with Latrodectus-like venom and painful but rarely serious bites.
Steatopygia
Steatopygia: pronounced accumulation of fat on the buttocks and thighs, described among Khoisan peoples, depicted in Paleolithic and Jomon figurines, and causing imaging artifacts in obese patients.