61,984 articles
Lisp machine
A Lisp machine is a computer whose processor and operating system were designed to run the Lisp programming language efficiently, built as single-user workstations in the 1970s.
Lissajous orbit
A Lissajous orbit is a quasi-periodic, three-dimensional spacecraft path around the L1, L2, or L3 Lagrange point, tracing a Lissajous curve that never closes on itself.
List of 7.62×54mmR firearms
The list of 7.62×54mmR firearms covers the rifles and machine guns chambered for the Russian cartridge created for the Mosin Model 1891, adopted in 1891.
List of 7.92×57mm Mauser firearms
The list of 7.92×57mm Mauser firearms covers guns chambered for the German military cartridge introduced in 1888, spanning the Gewehr 98, Karabiner 98k, and European hunting rifles.
List of 7400-series integrated circuits
The list of 7400-series integrated circuits covers a family of standardized digital logic chips, TTL parts introduced by Texas Instruments in 1966 and still widely used.
List of abbreviations in oil and gas exploration and production
The list of abbreviations in oil and gas exploration and production, also known as list of oil field acronyms, defines shorthand like BOP, EOR, and 1P used across drilling, logging, production, and offshore operations.
List of academic databases and search engines
A list of academic databases and search engines, spanning curated subscription indexes like Web of Science and Scopus, open indexes like OpenAlex, and Google Scholar.
List of accidents and disasters by death toll
The list of accidents and disasters by death toll, also called the list of disasters by death toll, ranks unintentional catastrophes such as crashes, mine explosions, and dam failures by people killed.
List of accidents and incidents involving airliners by location
A reference compilation grouping civil airliner accidents and incidents by the country, territory, or ocean region where they occurred, including fatal-accident totals by country, with definitions based on ICAO Annex 13.
List of accidents and incidents involving airliners in the United States
The list of accidents and incidents involving airliners in the United States covers NTSB-investigated civil aviation events from 1962 to the present, with notable accidents and safety trends.
List of accidents and incidents involving commercial aircraft
The list of accidents and incidents involving commercial aircraft covers civil airliner accidents and incidents, defined by ICAO Annex 13, with the 1977 Tenerife collision the deadliest at 583 deaths.
List of accidents and incidents involving helicopters
The list of accidents and incidents involving helicopters catalogs notable helicopter crashes worldwide, including the 2020 Calabasas crash that killed Kobe Bryant and the 2025 Potomac River midair collision.
List of accidents and incidents involving the Airbus A320 family
A summary of notable accidents and incidents involving the Airbus A320 family since 1988, including TAM Flight 3054, Germanwings Flight 9525, and US Airways Flight 1549.
List of accidents and incidents involving the Airbus A330
A list of notable accidents and incidents involving the Airbus A330, a long-range wide-body twinjet, headed by Air France Flight 447, which killed all 228 aboard in 2009.
List of accidents and incidents involving the Boeing 737
The list of accidents and incidents involving the Boeing 737 covers the safety record of Boeing's best-selling airliner, from Aloha Airlines Flight 243 to the 737 MAX crashes and grounding.
List of accidents and incidents involving the Lockheed Martin F-35 Lightning II
This list covers accidents and incidents involving the F-35 Lightning II stealth fighter, which lost about 15 of more than 1,340 airframes built since 2014, with one fatality.
List of accidents and incidents involving the McDonnell Douglas DC-10
This list chronicles accidents and incidents involving the McDonnell Douglas DC-10 airliner since 1972, including Turkish Airlines Flight 981 near Paris, which killed 346 people in 1974.
List of accidents and incidents involving the Westland Sea King
The Westland Sea King is a collection of accidents involving its operators, such as the Royal Navy, noting the deadliest UK loss in 1982 and Australian crash in 2005.
List of accidents involving sports teams
A list of aviation and road disasters that killed or injured entire sports teams, from Torino at Superga in 1949 to Chapecoense near Medellín in 2016.
List of active Canadian military aircraft
The list of active Canadian military aircraft covers the Royal Canadian Air Force's 24 current types, including CF-188 Hornet fighters, CP-140 Aurora patrol aircraft, transports, helicopters, and trainers.
List of active Indonesian Navy ships
The list of active Indonesian Navy ships covers a fleet of roughly 220 to 340 commissioned hulls, dominated by more than a hundred patrol craft.
List of active Pakistan Air Force aircraft
The Pakistan Air Force (PAF) maintains a combined military fleet of 1,399 aircraft, relying on the JF-17, F-16, and J-10C as its primary fighters.
List of active People's Liberation Army aircraft
The list of active People's Liberation Army aircraft, also called active Chinese military aircraft, covers combat and support types flown by the PLAAF, PLA Navy, and Army Aviation.
List of active Russian military aircraft
The list of active Russian military aircraft covers the fixed-wing fleet of the Russian Aerospace Forces and Naval Aviation, about 1,559 combat aircraft, the world's third-largest combat air force.
List of active United Kingdom military aircraft
The list of active United Kingdom military aircraft covers the fixed-wing aircraft, helicopters, and uncrewed systems flown by the RAF, Royal Navy, and Army Air Corps.
List of active United States Marine Corps aircraft squadrons
The list of active United States Marine Corps aircraft squadrons covers the flying units of the 1st, 2nd, and 3rd Marine Aircraft Wings, including the Presidential squadron HMX-1.
List of Adobe software
The list of Adobe software covers Adobe's portfolio of creative, document, and experience software, best known for the Creative Cloud suite, Acrobat, and Firefly AI.
List of aerospace engineering schools
The list of aerospace engineering schools covers university programs in aeronautical and astronautical engineering across North America, Europe, and Asia, from Michigan's 1914 program to Beihang University in China.
List of African-American inventors and scientists
A list of African-American inventors and scientists, from Thomas Jennings's first 1821 patent to Percy Julian's chemistry, Charles Drew's blood banking, and Katherine Johnson's NASA trajectory calculations.
List of AI-assisted software development tools
The list of AI-assisted software development tools covers IDE assistants, terminal and cloud coding agents, and platform review tools, including GitHub Copilot, Cursor, Claude Code, and OpenAI Codex.