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Gottfried Ungerboeck
Gottfried Ungerboeck is an Austrian communications engineer, the inventor of trellis-coded modulation, who worked at IBM Zurich and Broadcom and received the Marconi Prize in 1996.
Gotthard Base Tunnel
The Gotthard Base Tunnel is a 57 km twin-tube railway tunnel under the Swiss Alps, the world's longest, running from Erstfeld to Bodio and opened in 2016.
Gotthard Railway
The Gotthard Railway is the Swiss north–south railway across the Alps, opened in 1882 with a 15 km summit tunnel and supplemented since 2016 by the world's longest railway tunnel.
Gotthard Road Tunnel
The Gotthard Road Tunnel (German: Gotthard-Strassentunnel) is a 16.9-kilometer single-tube motorway tunnel in Switzerland carrying the A2 beneath the Gotthard Pass between Göschenen and Airolo. Opened in 1980, it was the world's longest road tunnel.
Gotthard Road Tunnel fire (2001)
The Gotthard Road Tunnel fire was a collision and blaze on 24 October 2001 in Switzerland's 17-kilometer Gotthard tunnel, killing 11 people and reshaping tunnel safety policy.
Gotthard Road Tunnel fire and structural damage
The Gotthard Road Tunnel fire was a 2001 HGV collision and fire in Switzerland's transalpine road tunnel that killed 11 people and closed the tunnel for two months.
Gotthard Tunnel
The Gotthard Tunnel is a Swiss railway tunnel through the Alps: the 15 km summit tunnel opened in 1882, joined by the 57 km Gotthard Base Tunnel in 2016.
Gottlieb Daimler
Gottlieb Wilhelm Daimler (1834–1900) was a German engineer who, with Wilhelm Maybach, developed a high-speed combustion engine, built the first four-wheeled automobile in 1886, and co-founded Daimler-Motoren-Gesellschaft in 1890.
Göttweig Abbey
Göttweig Abbey, or Stift Göttweig, is a Benedictine monastery on the Göttweig Hill south of Krems in Lower Austria, founded in 1083 by Bishop Altmann of Passau.
Goturdepe Gas Field
Goturdepe (Koturdepe in Turkmen) is a large mature oil and gas field in western Turkmenistan near the Caspian Sea, operated by the Türkmennebit State Concern since 1956.
Goulamina
Goulamina is a hard-rock lithium (spodumene) mine in southern Mali, about 150 kilometers south of Bamako, majority-owned by China's Ganfeng Lithium and inaugurated in 2024 as Mali's first lithium mine.
Goupitan hydroelectric plant
The Goupitan hydroelectric plant (构皮滩水电站) is a 3,000 MW hydropower station on the Wujiang River in Guizhou, China, known for its three vertical ship lifts opened in 2021.
Governador Bento Munhoz Da Rocha Netto hydroelectric plant
The Governador Bento Munhoz da Rocha Netto hydroelectric plant, usually called Foz do Areia, is a 1,676 MW hydroelectric dam on the Iguaçu River in Paraná, Brazil, operated by Copel since 1980.
Governador José Richa hydroelectric plant
The Governador José Richa hydroelectric plant, formerly Salto Caxias, is a 1,240 MW dam and hydropower station on the Iguaçu River in Paraná, southern Brazil, completed in 1999.
Governador Ney Aminthas De Barros Braga hydroelectric plant
The Governador Ney Aminthas De Barros Braga hydroelectric plant, usually called Segredo, is a 1,260 MW dam on the Iguaçu River in Paraná, Brazil, inaugurated in 1992.
Government AI fellowship schemes
Government AI fellowship schemes are state-funded awards paying AI researchers to train or work at universities and public institutions, such as the UK's Turing AI Fellowships.
Government bans on DeepSeek (2025)
Government bans on DeepSeek were 2025 restrictions by Italy, Australia, Taiwan, South Korea, the Netherlands, and Germany on the Chinese AI chatbot, citing data protection or national security.
Government Secure Intranet
The Government Secure Intranet (GSI) was a private wide area network linking UK government departments for secure email and information sharing from 1997 until replaced by the Public Services Network.
Government-General of Chōsen Building
The Government-General of Chōsen Building (조선총독부 청사) was Japan's colonial headquarters for Korea, built inside Gyeongbokgung in Seoul from 1916 and demolished between 1995 and 1996.
Governor (device)
A governor, also called a speed governor, is a device that senses an engine's or turbine's speed and adjusts fuel or steam to hold a desired level despite load changes.
GP-25
The GP-25, nicknamed Kostyor, is a Soviet 40 mm under-barrel grenade launcher mounted beneath AKM and AK-74 rifles, adopted by the Soviet army in 1978.
GPFS
GPFS (General Parallel File System), currently sold as IBM Storage Scale, is an IBM parallel, shared-disk file system that lets cluster nodes read and write the same files concurrently.
GPIB
GPIB, also known as IEEE 488 or HP-IB, is a digital 8-bit parallel bus created by Hewlett-Packard in the 1970s to connect instruments into automated test systems.
GPipe
GPipe is a pipeline parallelism library introduced by Google researchers in 2018 for training deep neural networks too large to fit on a single accelerator.
GPMI
GPMI (通用多媒体接口), formally the General Purpose Multimedia Interface, is a Chinese wired audio-video standard announced in April 2025 as an alternative to HDMI and DisplayPort.
GPO telephones
GPO telephones were the instruments supplied and rented by the British General Post Office, which controlled the UK's telephone network until British Telecom took over in 1981.
GPON
GPON, also written G-PON, is a Gigabit-capable Passive Optical Network, the ITU-T G.984 standard that shares one fiber between a central office and many subscribers and has dominated fiber-to-the-home since the mid-2000s.
GPOPS-II
GPOPS-II is a MATLAB software package for solving nonlinear optimal control problems, using LGR collocation and the NLP solver IPOPT, documented by Patterson and Rao in 2014.
GPQA
GPQA is a benchmark of graduate-level, Google-proof multiple-choice science questions written by PhD experts, published in 2023; its Diamond subset became the standard measure of frontier scientific reasoning.
GPRS
General Packet Radio Service (GPRS) is a packet-switched data service built on the GSM 2G mobile standard, often described as 2.5G, first launched commercially in 2000.