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GLONASS-K (ГЛОНАСС-К)
GLONASS-K (ГЛОНАСС-К), also designated Uragan-K, is a third-generation Russian navigation satellite built by ISS Reshetnev for GLONASS, first launched in 2011. It introduced an L3 CDMA civil signal and a COSPAS-SARSAT search-and-rescue payload.
Gloreha
Gloreha, an acronym for Hand Rehabilitation Glove, is a robotic hand rehabilitation system developed by Idrogenet of Lumezzane, Italy, using a cable-driven glove to mobilize fingers after stroke.
GLORIAD
GLORIAD, the Global Ring Network for Advanced Applications Development, was a high-speed optical research and education network launched in January 2004 by the United States, Russia, and China.
Glossary of BitTorrent terms
A glossary of BitTorrent's vocabulary, drawn from the original protocol, its enhancement proposals, and tracker jargon, defining torrent files, swarms, seeds, leechers, trackers, DHT, magnet links, and choking.
Glossary of carriage and driving terminology
A glossary of carriage and driving terminology is a reference vocabulary covering horse-drawn vehicles, parts, harness, and driving terms, consolidated in Berkebile's 1978 Smithsonian dictionary.
Glossary of civil engineering
A glossary of civil engineering is a controlled collection of defined terms used in the design, construction, and maintenance of built infrastructure, serving engineers, contractors, and lawyers.
Glossary of rail transport terms
A glossary of rail transport terms, also known as rail terminology, defines the vocabulary of railways, including rolling stock, bogie, gauge, and the railroad-versus-railway regional split.
Gloster Gladiator
The Gloster Gladiator, a British biplane fighter built by the Gloster Aircraft Company, entered RAF service in 1937 as the last biplane and first enclosed-cockpit RAF fighter.
Gloster Javelin
The Gloster Javelin was a twin-engined, T-tailed delta-wing interceptor serving Britain's Royal Air Force from 1956 to 1968, the last design to bear the Gloster name.
Gloster Meteor
The Gloster Meteor was a twin-engine jet fighter built by Gloster for the RAF, first flying in 1943 and the only Allied jet to see combat in the Second World War.
Gloucester Cathedral
Gloucester Cathedral, formerly the Abbey of St Peter, is the Church of England cathedral of Gloucester, known for its Perpendicular Gothic architecture, its cloister's earliest fan vaulting, and the tomb of King Edward II.
Gloucestershire Warwickshire Railway
The Gloucestershire Warwickshire Railway, trading as the Gloucestershire Warwickshire Steam Railway, is a volunteer-operated heritage railway running 14 miles through the Cotswolds between Cheltenham Racecourse and Broadway.
Glovebox
A glovebox is a sealed enclosure fitted with flexible gloves that lets an operator handle materials isolated from outside air, widely used for radioactive, hazardous, and air-sensitive chemistry.
Glovo
Glovo is a Spanish on-demand delivery marketplace headquartered in Barcelona that connects customers with couriers for food, groceries, and other everyday items; Delivery Hero acquired it in 2022.
Glow & Lovely
Glow & Lovely is a Unilever skin care brand launched in Mumbai in 1975 as Fair & Lovely and renamed in June 2020 amid criticism that its marketing promoted colorism.
Glow stick
A glow stick, also called a chemical light or ChemLight, is a disposable plastic tube that glows through chemiluminescence, activated by bending to mix two solutions.
Glowworm swarm optimization
Glowworm swarm optimization (GSO) is a swarm intelligence algorithm proposed by K. N. Krishnanand and Debasish Ghose in 2005 that locates multiple optima of a multimodal function simultaneously.
GLSL
GLSL, or OpenGL Shading Language, is a C-like language from the Khronos Group for writing shaders in the OpenGL graphics pipeline, introduced with OpenGL 2.0.
glTF
glTF (GL Transmission Format) is an open, royalty-free 3D file format published by the Khronos Group, using JSON and a binary .glb container; glTF 2.0 became ISO/IEC 12113.
Glucose meter
A glucose meter, also known as a blood glucose meter or glucometer, is a handheld device that measures glucose in a small blood sample, usually from a fingertip.
GLUE (benchmark)
GLUE, the General Language Understanding Evaluation benchmark, is a suite of nine NLP tasks and a leaderboard introduced in 2018 to test whether one model handles many language tasks.
GLUE and SuperGLUE
GLUE and SuperGLUE, the General Language Understanding Evaluation benchmarks, are English natural language understanding benchmark suites, GLUE released in 2018 and SuperGLUE its harder 2019 successor.
Glued laminated timber
Glued laminated timber, commonly called glulam, is an engineered structural wood product made by bonding lumber with adhesives, patented in 1906 and used in beams, arches, and bridges.
GlusterFS
GlusterFS is a free and open-source scale-out network filesystem that pools the storage of many servers, created by Gluster and acquired by Red Hat in 2011.
Glycerol reforming
Glycerol reforming is the catalytic conversion of glycerol, the main by-product of biodiesel manufacture, into hydrogen-rich gas, studied as a renewable hydrogen route since the 2000s.
Glycol dehydration
Glycol dehydration removes water vapor from natural gas by contact with a glycol, usually triethylene glycol, which is regenerated and recirculated; it is the most common method for meeting pipeline quality.
GM 4L60-E transmission
The GM 4L60-E is a four-speed, rear-wheel-drive automatic transmission with overdrive and full electronic control, introduced by General Motors in 1993 and built through 2014.
GM 4L80-E transmission
The GM 4L80-E is a heavy-duty electronically controlled four-speed automatic overdrive transmission introduced by General Motors in 1991 as the overdrive successor to the TH400, used in heavy trucks, vans, and the Hummer H1.
GM Ecotec engine
The GM Ecotec engine, also known as the General Motors Ecotec engine, is a family of four- and three-cylinder gasoline and diesel engines introduced globally in 2000.
GM Futurliner
The GM Futurliner, also known as the Futureliner, is a custom exhibition truck built by General Motors in 1940 for its Parade of Progress touring science show.