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László Almásy
László Almásy, also known as Ladislaus Almásy, was a Hungarian desert explorer and aviator who discovered the Cave of Swimmers and in 1942 drove German agents across the Sahara to Cairo.
László Bélády
László Bélády was a Hungarian-born computer scientist who spent 1961 to 1981 at IBM Research, where he discovered Belady's anomaly and published a 1966 page-replacement study that became the most cited paper in computer software.
László Bíró
László Bíró, also known as László József Bíró or in Argentina Ladislao Bíró, was a Hungarian-Argentine inventor who created the first commercially successful ballpoint pen.
László Lovász
László Lovász, born 1948 in Budapest, is a Hungarian mathematician known for the Lovász Local Lemma, the LLL lattice algorithm, and the 2021 Abel Prize, shared with Avi Wigderson.
LATAM Airlines Flight 800
LATAM Airlines Flight 800 was a Boeing 787-9 flight that abruptly dropped during cruise from Sydney to Auckland on 11 March 2024, injuring about 50 people.
LATAM Airlines Group
LATAM Airlines Group S.A. is a Chilean airline holding company formed in 2012 through the merger of LAN Airlines and TAM Airlines; it is South America's largest airline group.
LATCH (child restraint system)
LATCH, or Lower Anchors and Tethers for Children, is the standardized United States vehicle hardware system for attaching child restraints without the vehicle seat belt.
Latch-up
Latch-up is a CMOS integrated circuit failure mode in which a transient triggers a sustained high-current path between power and ground until power is removed.
Late interaction
Late interaction is a neural information retrieval paradigm in which queries and documents are encoded into token-level embeddings and compared at query time with the MaxSim operator.
Late-arriving data
Late-arriving data (late data, out-of-order events): records reaching a pipeline after their event-time window was processed. Handled via watermarks, allowed lateness, lookbacks, and Kimball inferred members; differs from duplicates.
Lateen
The lateen, or Latin sail, is a triangular fore-and-aft sail set on a long angled yard, the principal Mediterranean rig from the early Middle Ages.
Latency (engineering)
Latency in engineering is the time delay between the start of an action and its first observable effect, spanning propagation, transmission, and queuing delays in networks and computing.
Latent action models
A latent action model (LAM) infers latent actions between video frames, letting robot policies and world models be pretrained on video without ground-truth action labels.
Latent Consistency Models
Latent Consistency Models (LCMs) are a few-step image generation method introduced in October 2023, letting Stable Diffusion generate images in 1 to 4 steps instead of 25 or more.
Latent diffusion model
A latent diffusion model is a generative model running diffusion denoising in an autoencoder's compressed latent space, introduced by Rombach and Ommer's group in Munich in December 2021.
Latent semantic analysis
Latent semantic analysis (LSA), also known as latent semantic indexing, is a natural language processing technique that represents words and documents as vectors derived from term co-occurrence, published in 1990.
LatentVerse (北京潜界科技)
LatentVerse, also known as Beijing Qianjie Technology Co., Ltd., is a Chinese embodied-intelligence startup founded in May 2026 in Beijing by Hu Yucheng and Zhang Jianke to build foundation models for robots.
Later 19th-century transatlantic telegraph cables
The later 19th-century transatlantic telegraph cables were submarine telegraph lines between Europe and North America, growing from one working cable to 11 systems by the early 1890s.
Lateral 2D semiconductor heterostructures
Lateral 2D semiconductor heterostructures are in-plane junctions where atomically thin semiconductor monolayers, most often transition metal dichalcogenides like MoS₂ and WSe₂, are covalently stitched into one plane.
Lateral earth pressure
Lateral earth pressure is the horizontal stress soil exerts against retaining walls, basement walls, and abutments; its magnitude depends on wall movement, giving at-rest, active, and passive design states.
Lateral undulation
Lateral undulation is the side-to-side serpentine mode of limbless locomotion in snakes and snake robots, in which horizontal waves of bending travel from head to tail, pressing against uneven terrain to generate forward thrust.
Lateral-torsional buckling
Lateral-torsional buckling is a beam instability in which the compression flange buckles sideways and the beam twists, reducing strength below its cross-sectional capacity in steel design.
Laterally diffused MOSFET
The laterally diffused MOSFET (LDMOS) is a power transistor whose lightly doped drift region withstands high drain voltages; it is the standard for cellular base-station RF power amplifiers.
LaTeX
LaTeX is a document preparation system for high-quality typesetting, created by Leslie Lamport in the early 1980s and used most often for technical and scientific documents.
Lath and plaster
Lath and plaster is a building technique for finishing interior walls and ceilings, in which wet plaster is applied over thin timber lath and held by hardened keys.
Lathe
A lathe is a machine tool that rotates a workpiece while a stationary cutting tool shapes it, chiefly into cylinders, cones, and screw threads; it is the oldest machine tool.
Lathi (लाठी) (stick)
The lathi (लाठी) is a 1–1.8 meter bamboo stick used across South Asia as a weapon, martial-arts implement, and standard police baton in India and Bangladesh.
LATP (solid electrolyte)
LATP, short for lithium aluminum titanium phosphate, is a NASICON-type ceramic solid electrolyte for lithium batteries, prized for its conductivity, air stability, and low cost.
Latrobe Valley
The Latrobe Valley is a brown coal region in Gippsland, eastern Victoria, Australia, whose open-cut mines and power stations have supplied most of the state's electricity for roughly a century.
Lattice equalizer
A lattice equalizer is an adaptive channel equalizer built from a cascade of lattice stages with reflection coefficients rather than a tapped delay line, which lets it converge faster and track time-varying channels.