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Snow Hill tunnel (London)
Snow Hill tunnel is a short railway tunnel beneath Smithfield Market in central London, opened in 1866 and reopened in 1988 to carry the Thameslink route between Blackfriars and Farringdon.
Snow load
Snow load is the vertical load that accumulated snow and ice impose on a roof or other structure, treated in structural design as a live environmental load.
Snow pole
A snow pole is a tall, marked post installed along the roadside in snowy regions so the road edge stays visible during snowfall, guiding drivers and snow removal.
Snowdonia Aerospace Centre
Snowdonia Aerospace Centre is an aerospace test facility at Llanbedr Airfield in Gwynedd, Wales, on the former RAF Llanbedr site, designated by the CAA for BVLOS drone testing.
Snowflake Cortex
Snowflake Cortex is Snowflake's suite of LLM-based AI features, including Cortex Analyst, AI Functions, Search, Agents, and the Cortex Code coding agent (now Snowflake CoCo), running inside Snowflake's governed security perimeter.
Snowflake data breach
The Snowflake data breach was a 2024 extortion campaign in which attackers used infostealer malware to access Snowflake customers' accounts, affecting Ticketmaster, AT&T, and Santander.
Snowflake divertor
The snowflake divertor is an advanced tokamak divertor configuration in which two nearby magnetic nulls form a snowflake-shaped separatrix, spreading heat exhaust over four strike points.
Snowflake Inc.
Snowflake Inc., also known as Snowflake Computing, is an American cloud data platform company founded in 2012, offering data warehousing, data sharing, and AI services.
Snowflake schema
The snowflake schema is a data warehouse design, a variation of the star schema, in which normalized dimension tables are split into sub-dimension tables, reducing redundancy but adding query joins.
Snowmelt system
A snowmelt system is an installation that melts snow and ice from pavement such as driveways, sidewalks, and bridge decks using embedded pipes or electric heating.
Snowmobile
A snowmobile, also called a skimobile or motor sledge, is a land vehicle that travels over snow on a rubber track, steered by front-mounted skis.
Snowpack (software)
Snowpack was a frontend build tool for JavaScript development, created by Fred K. Schott, that served apps as individual ES Modules instead of bundling, an approach called unbundled development.
Snowplow (company)
Snowplow is a London-based behavioral data and customer data infrastructure company founded in 2012 by Alex Dean and Yali Sassoon. It offers event pipelines, Snowplow Signals, and source-available licensing from 2024, distinct from snow-clearing equipment makers.
Snowy Mountains Scheme
The Snowy Mountains Scheme, also known as the Snowy Mountains Hydro-Electric Scheme, is a hydro-electricity and irrigation complex in southern New South Wales, Australia, built between 1949 and 1974.
Snubber
A snubber is a network of resistors, capacitors, and sometimes diodes connected across a switch or inductive load to limit voltage spikes, slow voltage rise, and damp ringing.
Snubber circuit
A snubber circuit is a network of resistors, capacitors, and diodes placed across a power semiconductor to limit voltage spikes, ringing, and dV/dt during switching; the most common form is a capacitor with a series resistor.
Snubnosed revolver
The snubnosed revolver, also called a belly gun or snubbie, is a revolver with a short barrel, generally 3 inches or less, made for concealed close-range self-defense.
SNUPPS
SNUPPS (Standardized Nuclear Unit Power Plant System) was a 1970s consortium of United States utilities that built identical nuclear plants from a standardized Westinghouse pressurized water reactor design.
Snyder's synthetic unit hydrograph
Snyder's synthetic unit hydrograph is an empirical method published by Franklin F. Snyder in 1938 that constructs a unit hydrograph for ungauged watersheds from measurable basin characteristics.
SO-ARM100
The SO-ARM100, also called SO-100, is an open-source, 3D-printable robot arm by TheRobotStudio and Hugging Face, released in 2024 as reference hardware for the LeRobot library.
Soap
Soap is a cleaning substance made of fatty acid salts through saponification, lifting dirt and microbes so water can rinse them away, a key public health tool.
SOAP
SOAP, originally Simple Object Access Protocol, is an XML-based messaging protocol standardized by the W3C, used to exchange structured information between software over HTTP and other protocols.
Soap opera effect
The soap opera effect is the hyper-realistic, video-like appearance films acquire when a TV's motion smoothing artificially raises their frame rate above 24 frames per second.
Soapnet
Soapnet was an American basic cable channel owned by Disney/ABC, launched in 2000, that aired soap operas around the clock until Disney replaced it with Disney Junior in 2013.
Soar (cognitive architecture)
Soar is a cognitive architecture, developed by John Laird at the University of Michigan, that models human cognition and intelligent agents through production rules and chunking.
Soaring Society of America
The Soaring Society of America (SSA) is the national governing body for the sport of gliding in the United States, founded in 1932 with almost 10,000 members.
Sobel operator
The Sobel operator, also known as the Sobel-Feldman operator, is a discrete differentiation filter used in image processing for edge detection via two 3×3 convolution kernels.
Sobha Singh (ਸੋਭਾ ਸਿੰਘ) (builder)
Sir Sobha Singh (ਸੋਭਾ ਸਿੰਘ; 1890–1978) was an Indian building contractor and real estate developer who built much of New Delhi after 1911 and was the father of writer Khushwant Singh.
Sobranie (Собрание)
Sobranie (Собрание), also known as Balkan Sobranie, is one of the world's oldest cigarette brands, registered in London in 1879 by Albert Weinberg and now owned by Japan Tobacco International.
Sobriety checkpoint
A sobriety checkpoint, also called a DUI checkpoint, is a roadblock where police stop vehicles on a systematic basis to screen drivers for impairment, without individualized suspicion.