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Scaffolding
Scaffolding is a temporary elevated platform with its supporting structure, used to support workers and materials during construction, maintenance, or repair, and is either supported or suspended.
SCAIL
SCAIL (Studio-grade Character Animation via In-context Learning) is an open-weight pose-driven character-animation model built on Wan2.1 by Tsinghua University and Z.ai, released in December 2025.
Scala (programming language)
Scala is a statically typed programming language that unifies object-oriented and functional programming. Created by Martin Odersky at EPFL, it runs primarily on the Java Virtual Machine since 2004.
Scalability
Scalability is a system's ability to maintain acceptable performance as workload or users grow, achieved through vertical scaling of one node or horizontal scaling across many.
Scalable Capital
Scalable Capital is a Munich-based digital investment platform founded in 2014 that operates an online broker, a robo-advised wealth management service, and a fully licensed bank.
Scalable Coherent Interface
The Scalable Coherent Interface (SCI) is an interconnect standard, IEEE 1596-1992, providing computer-bus-like services over point-to-point links for multiprocessors, including distributed shared memory with optional cache coherence.
Scalable Link Interface
Scalable Link Interface, known as NVIDIA SLI, is a multi-GPU technology from NVIDIA that divides rendering across two or more GPUs, acquired with 3dfx in 2000 and relaunched in 2004.
Scalable Offensive Hand Grenade
A scalable offensive hand grenade is a hand-thrown blast weapon that kills or incapacitates by blast overpressure and concussion rather than by fragments, allowing use in the open.
Scalable oversight
Scalable oversight is an AI safety research problem concerning how to supervise AI systems that potentially outperform humans on most skills relevant to the task being supervised.
Scalable Vector Extension
The Scalable Vector Extension (SVE) is a SIMD instruction set extension to 64-bit Arm (AArch64), letting each processor choose its vector length from 128 to 2,048 bits.
Scalable Video Coding
Scalable Video Coding (SVC) is a 2007 extension of H.264/AVC that encodes video into one bitstream extractable at different resolutions, frame rates, and quality levels.
Scale AI
Scale AI is an American data-labeling and AI-services company founded in 2016, supplying training data and model evaluations to AI labs, enterprises, and governments; Meta took a 49% stake in 2025.
Scale AI Meta investment
Meta's $14.3 billion purchase of a 49% non-voting stake in the data-labeling company Scale AI, announced in June 2025 at a valuation over $29 billion.
Scale armour
Scale armor, also called scale mail, is armor of small overlapping scales laced to a fabric or leather backing, used from about 1700 B.C. to the seventeenth century.
Scale calibration
Scale calibration is a metrology procedure in which test loads are applied to a weighing instrument to determine its error of indication and evaluate measurement uncertainty.
Scale model
Scale model: a physical replica built to a fixed ratio such as 1:72 or 1:35 of a real object. Used in engineering similitude testing, architecture, and the plastic kit hobby begun by Frog's 1930s Penguin.
Scale model aircraft competition (F4 classes)
Scale model aircraft competition in the FAI F4 classes judges flying replicas of full-size aircraft on both static accuracy and realistic flight, with world championships since 1970.
Scale space
Scale space is a computer vision framework representing an image as a family of progressively Gaussian-smoothed versions, proposed by Andrew Witkin in 1983 and Jan Koenderink in 1984.
Scale-invariant feature transform
The scale-invariant feature transform (SIFT) is a computer vision algorithm that detects local image keypoints and describes them so they can be matched across changes of scale, rotation, and lighting.
Scaled agile framework
The Scaled Agile Framework (SAFe) is a body of knowledge for applying Lean, Agile, and DevOps in large organizations. Dean Leffingwell created it, with the first version released in 2011.
Scaled Composites
Scaled Composites is an aerospace company in Mojave, California, founded by Burt Rutan in 1982, known for SpaceShipOne, winner of the 2004 Ansari X Prize.
Scaled Composites Stratolaunch
The Scaled Composites Stratolaunch, nicknamed Roc, is a twin-fuselage carrier aircraft with a record 385-foot wingspan, first flown in 2019 and now used to launch the Talon-A hypersonic vehicle.
Scaled Composites White Knight
The Scaled Composites White Knight, also known as White Knight One, is a jet-powered carrier aircraft built to launch SpaceShipOne, winning the 2004 Ansari X Prize.
Scaling laws for diffusion models
Scaling laws for diffusion models are empirical power-law relationships predicting how diffusion model loss and generation quality improve with model size, dataset size, and compute.
Scaling laws for downstream and emergent capabilities
Scaling laws for downstream and emergent capabilities extend loss-based neural scaling laws to predict when language model benchmark accuracy rises, and whether apparent emergent jumps are real or measurement artifacts.
Scaling laws for downstream task performance
Scaling laws for downstream task performance are empirical relationships that predict a language model's task metrics, like translation accuracy, from pretraining data size, model parameters, or compute.
Scaling laws for neural language models
Scaling laws for neural language models are empirical power laws showing that model loss falls predictably with parameters, data, and compute, established by OpenAI's 2020 Kaplan study.
Scaling Monosemanticity (Golden Gate Claude)
Scaling Monosemanticity is a 2024 Anthropic paper reporting that sparse autoencoders extracted roughly 34 million interpretable features from Claude 3 Sonnet, accompanied by the Golden Gate Claude demo.
Scalmalloy
Scalmalloy is a high-strength aluminum-magnesium-scandium alloy with zirconium developed by Airbus for laser powder bed fusion 3D printing, used in aerospace and motorsports parts like the Airbus bionic partition.
ScAlN/GaN high-electron-mobility transistors
ScAlN/GaN high-electron-mobility transistors are GaN transistors with a scandium-alloyed aluminum nitride barrier that raises channel charge density, first grown by MBE in 2017 and pursued for high-power RF uses including 6G.