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Llyn Celyn
Llyn Celyn, also known as Tryweryn Reservoir, is a reservoir in Gwynedd, Wales, built by Liverpool between 1960 and 1965, flooding the village of Capel Celyn.
LM Ericsson 500-point switch
The LM Ericsson 500-point switch (Swedish: 500-väljaren) was an electromechanical telephone selector developed by LM Ericsson in Sweden, connecting up to 500 subscriber lines per switch.
LM Evaluation Harness
The LM Evaluation Harness (lm-eval) is an open-source Python framework by EleutherAI that runs language models on over 60 academic benchmarks, serving as the backend for Hugging Face's Open LLM Leaderboard.
LM Studio
LM Studio is a desktop application for discovering, downloading, and running large language models locally, developed by Element Labs of New York and first released in 2023.
LM Wind Power
LM Wind Power is a Danish company in Kolding that designs and makes rotor blades for onshore and offshore wind turbines, and has delivered over 275,000 blades since 1978.
LM6000
The LM6000 is a 40–60 MW aeroderivative gas turbine General Electric derived from the CF6-80C2 turbofan, introduced in 1992 for power generation and mechanical drive.
LM700 (satellite bus)
The LM700 is a three-axis stabilized satellite bus developed by Lockheed Martin for the 66-satellite Iridium communications constellation, later modified as the LM700B for scientific missions.
LMArena
LMArena, formerly Chatbot Arena and now branded Arena, is a crowdsourced platform for evaluating large language models. Users vote between anonymous model responses to build a public leaderboard launched in May 2023 by UC Berkeley researchers.
LMS Coronation Class
The LMS Coronation Class, also known as the Princess Coronation Class, was a class of express passenger steam locomotives built for the London, Midland and Scottish Railway from 1937.
LMS locomotive numbering and classification
The LMS classified its locomotives by power and use, with codes like 7F and 5MT, renumbering 10,316 inherited locomotives into single sequences between 1924 and 1928.
LMS Stanier Class 5 4-6-0
The LMS Stanier Class 5 4-6-0, known as the Black Five, is a class of 842 British mixed-traffic steam locomotives built from 1934 to 1951.
LMSYS Chatbot Arena
LMSYS Chatbot Arena is a crowdsourced benchmark platform that ranks large language models via anonymous head-to-head human votes on a public leaderboard, launched in May 2023.
LMSYS Org
LMSYS Org (Large Model Systems Organization) is an American non-profit, founded in 2023 by UC Berkeley, Stanford, UCSD, CMU, and MBZUAI researchers, known for Vicuna, SGLang, and Chatbot Arena.
LMSYS-Chat-1M
LMSYS-Chat-1M is a public dataset of one million real-world conversations between users and 25 large language models, collected by LMSYS from April to August 2023.
LMT Modular Ambidextrous Rifle System
The LMT Modular Ambidextrous Rifle System (MARS) is a family of AR-pattern rifles by Lewis Machine and Tool, the standard rifle of New Zealand's Defence Force.
LMT R-20 Rahe
The LMT R-20 Rahe (Estonian: R-20 Rahe) is the standard 5.56×45mm assault rifle of the Estonian Defence Forces, built by LMT Defense and selected in 2019.
LNER Class A3 4472 Flying Scotsman
Flying Scotsman is a British express passenger steam locomotive built at Doncaster in 1923 to Sir Nigel Gresley's design, the first steam locomotive officially recorded at 100 mph.
LNER Class A4
The LNER Class A4, or Gresley A4, is a class of 35 streamlined 4-6-2 express steam locomotives designed by Nigel Gresley for the London and North Eastern Railway.
LNER Class A4 4468 Mallard
LNER Class A4 4468 Mallard is a British steam locomotive built in Doncaster in 1938 that holds the world steam speed record of 126 mph, and is preserved at York.
LNER Gresley Classes A1 and A3
The LNER Gresley Classes A1 and A3 were three-cylinder 4-6-2 Pacific express locomotives designed by Nigel Gresley, the first British Pacifics built in quantity, working East Coast expresses from 1922 to the 1960s.
LNER locomotive numbering and classification
LNER locomotive numbering and classification is the system the London and North Eastern Railway used from 1923 to 1948, with a letter for the wheel arrangement and a number for the class.
LNER Peppercorn Class A1 60163 Tornado
The LNER Peppercorn Class A1 60163 Tornado is a main line steam locomotive built by the A1 Steam Locomotive Trust in Darlington, completed in 2008 after 18 years.
LNG Canada
LNG Canada is a liquefied natural gas export terminal in Kitimat, British Columbia, owned by a Shell-led joint venture and Canada's first large-scale LNG exporter.
LNG carrier
An LNG carrier, also called an LNG tanker, is a specialized ship that transports liquefied natural gas at about −160 °C, first crossing an ocean in 1959.
LO, Yuen Tze
Yuen Tze Lo (罗远祉) was a Chinese-born electrical engineer at the University of Illinois known for antenna theory, the method of moments, and microstrip antenna design.
Loab
Loab is an AI-generated image of a distressed older woman, discovered in 2022 by the artist Supercomposite, whose face persistently reappeared in images crossed with gore and horror.
Load and Resistance Factor Design
Load and Resistance Factor Design (LRFD) is a reliability-based structural design method comparing factored loads against factored resistances, mandated for federally funded United States highway bridges.
Load balancing (computing)
Load balancing, or load distribution, distributes incoming network requests across a pool of backend servers using algorithms such as round robin and least connections to maximize throughput.
Load break switch
A load break switch (LBS), also called a switch-disconnector, is a switching device that interrupts load current but not faults, so it is often paired with fuses.
Load factor (aeronautics)
Load factor in aeronautics is the percentage of available airline seating capacity that is actually sold and flown, the industry's standard capacity utilization measure, reported monthly and watched because an empty seat flown is unrecoverable revenue.