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Luenberger observer
The Luenberger observer is a state estimator introduced by David Luenberger in 1964: a copy of the system's model whose estimate converges to the true state.
Lufeng 15-1 Oil Field
Lufeng 15-1 Oil Field is a deepwater oil field in the Pearl River Mouth Basin, South China Sea, developed by CNOOC and home to the Haiji-1 platform.
Lufeng Jiahuwan power station
Lufeng Jiahuwan power station (陆丰甲湖湾电厂) is a coastal ultra-supercritical coal-fired power station in Hudong Town, Lufeng, Guangdong, China, operating two 1,000 MW units, with two more under construction.
Luftfartsverket
Luftfartsverket (LFV), in English Air Navigation Services of Sweden, is the Swedish state enterprise providing air traffic control for civil and military aviation, and pioneered remote tower control in 2015.
Luftflotte 1
Luftflotte 1 was a Luftwaffe Air Fleet command created in Berlin in 1939. It participated in the Polish campaign and served the northern sector of the Eastern Front.
Luftflotte 4
Luftflotte 4 (Air Fleet 4) was a Luftwaffe air-fleet headquarters formed in Vienna in March 1939, best known for directing the conquest of Crete and the Stalingrad airlift.
Lufthansa
Lufthansa, formally Deutsche Lufthansa AG, is Germany's largest airline, carrying 65.7 million passengers in 2025 from hubs at Frankfurt and Munich as the core of a global aviation group.
Lufthansa Cargo
Lufthansa Cargo is the airfreight subsidiary of the Lufthansa Group, formed in 1994, flying Boeing 777F freighters and selling belly capacity to about 350 destinations.
Lufthansa Flight 181
Lufthansa Flight 181, the Landshut, was a Boeing 737 hijacked by PFLP militants in October 1977 and freed by a German commando raid in Mogadishu.
Lufthansa Group
The Lufthansa Group is a German aviation group based in Cologne and Frankfurt, Europe's largest and the world's fourth largest airline group by traffic in 2025.
Lufthansa Technik
Lufthansa Technik AG is a German provider of maintenance, repair, and overhaul services for commercial aircraft, headquartered in Hamburg and wholly owned by the Lufthansa Group since 1994.
Luftschiffbau Zeppelin
Luftschiffbau Zeppelin GmbH is a German company founded by Count Ferdinand von Zeppelin in Friedrichshafen in 1908 to build the rigid airships that carried his name.
Luger pistol
The Luger pistol, also known as the Pistole Parabellum or P08, is a German semi-automatic service pistol designed by Georg Luger, patented in 1898 and chambered in 9mm Parabellum.
Lugger
A lugger is a sailing vessel rigged with lug sails, four-sided sails set on a yard angled from the mast, popular for fishing from the 19th century.
Luginetskoye Oil and Gas Field
The Luginetskoye Oil and Gas Field (Лугинецкое месторождение) is an oil, gas, and condensate field in Tomsk Oblast, Russia, discovered in 1967 and operated by Tomskneft.
LuGre friction model
The LuGre friction model, introduced in 1995, is a dynamic friction model treating friction as the deflection of elastic bristles, capturing the Stribeck effect and hysteresis.
Luhais Oil Field
Luhais Oil Field (حقل اللحيس) is an onshore oil field in Basra Governorate, southern Iraq, discovered in 1961 and operated by the Basra Oil Company.
Luhn algorithm
The Luhn algorithm, also called the mod 10 or modulus 10 algorithm, is a checksum formula created by Hans Peter Luhn at IBM in 1954.
Luigi Colani
Luigi Colani, born Lutz Colani (1928–2019), was a German industrial designer known for aerodynamic, biomorphic "biodesign," seen in the Canon T90 camera, streamlined trucks, and the Rosenthal Drop tea service.
Luigi Crocco
Luigi Crocco (1909–1986) was an Italian aerospace engineer, son of rocketry pioneer Gaetano Arturo Crocco, who taught at Rome and Princeton and whose combustion-instability research helped make the Saturn V's F-1 engine flyable.
Luis Barragán House and Studio
Luis Barragán House and Studio (Casa Estudio Luis Barragán), the architect's 1947–1948 concrete house in Tacubaya, Mexico City; UNESCO World Heritage Site since 2004, criteria (i)(ii), now a museum.
Luis E. Hueso
Luis E. Hueso is a Spanish physicist working on spintronics and nanoscale devices; he has led the Nanodevices group at CIC nanoGUNE in San Sebastian since 2008.
Luís Eduardo Magalhães hydroelectric plant
The Luís Eduardo Magalhães hydroelectric plant, known as UHE Lajeado, is a 902.5 MW dam on the Tocantins River in Tocantins, Brazil, built between 1998 and 2002.
Luis Enrique Garcia
Luis Enrique García Reyes is a Colombian structural and earthquake engineer, honorary professor at Universidad de los Andes and a member of the US National Academy of Engineering.
Luis M. Liz‐Marzán
Luis M. Liz-Marzán is a Spanish chemist and Ikerbasque Research Professor at CIC biomaGUNE in San Sebastián, known as a pioneer in nanoplasmonics and the colloidal synthesis of plasmonic metal nanoparticles.
Luis Muñoz Marín International Airport
Luis Muñoz Marín International Airport, also called Isla Verde International Airport, is the main and busiest airport of Puerto Rico, located in Carolina near San Juan.
Luis von Ahn
Luis von Ahn, born in Guatemala in 1978, is a computer scientist and entrepreneur who co-invented CAPTCHA, created reCAPTCHA, and co-founded Duolingo, where he is chief executive.
Luiz Davidovich
Luiz Davidovich is a Brazilian physicist at UFRJ working in quantum optics and quantum information, and president of the Brazilian Academy of Sciences from 2016 to 2022.
Luiz Gonzaga hydroelectric plant
The Luiz Gonzaga hydroelectric plant (Usina Hidrelétrica Luiz Gonzaga), long known as Itaparica, is a 1,479.6 MW dam on the São Francisco River between Bahia and Pernambuco.
Luı́s A. Nunes Amaral
Luís A. Nunes Amaral is a complex-systems and network scientist at Northwestern University, known for the 2005 Nature paper "Functional cartography of complex metabolic networks."