61,984 articles
First Light Fusion
First Light Fusion is a British fusion energy company founded in Oxford in 2011, known for projectile fusion and now developing its FLARE fuel system.
First Mode
First Mode is a hybrid-electric powertrain company making retrofit kits that convert ultra-class mining haul trucks to capture braking energy; Cummins acquired it in 2025.
First National Architectural Movement
The First National Architectural Movement (Birinci Ulusal Mimarlık Akımı) was a Turkish architectural style, prevalent from 1908 to 1930, that applied Ottoman and Seljuk elements to modern buildings.
First normal form
First normal form (1NF) is the most basic level of database normalization: a relation qualifies when every column holds one atomic value, with no repeating groups.
First Rail London
First Rail London is a subsidiary of FirstGroup plc that has operated the London Overground, a six-route suburban network, under contract to Transport for London since 2026.
First satellites by country
First satellites by country lists each nation's first artificial satellite, from the Soviet Union's Sputnik 1 in 1957 through China's Dong Fang Hong 1 in 1970.
First Solar
First Solar, Inc. is an American photovoltaic module manufacturer headquartered in Phoenix, Arizona. Founded in 1999, it is the only US-headquartered company among the world's largest solar manufacturers, making cadmium telluride thin film modules.
First Student
First Student, Inc. is an American school bus company headquartered in Cincinnati, Ohio, providing contracted home-to-school busing for school districts in the United States and Canada.
FIRST Tech Challenge
FIRST Tech Challenge (FTC) is a FIRST robotics competition for students in grades 7-12, in which teams of up to 15 design and program classroom-scale robots.
First transcontinental railroad
The first transcontinental railroad, originally called the Pacific Railroad and later the Overland Route, was a 1,776-mile line completed in 1869 connecting Omaha, Nebraska, with San Francisco Bay.
First transcontinental telegraph
The first transcontinental telegraph was a line completed on October 24, 1861, linking the eastern United States to California and ending the Pony Express two days later.
First Vienna Mountain Spring Pipeline
The First Vienna Mountain Spring Pipeline (I. Wiener Hochquellwasserleitung) is a 120-kilometer aqueduct built from 1869 to 1873 that carries untreated Alpine spring water to Vienna entirely by gravity.
First voyage of Christopher Columbus
The first voyage of Christopher Columbus was a 1492 Spanish expedition that crossed the Atlantic with three ships, making landfall in the Bahamas on 12 October 1492.
First-class citizen
A first-class citizen in programming languages is an entity, such as a function, that can be named, passed, returned, and stored like any ordinary value.
First-class function
A first-class function is a function that a programming language treats as an ordinary value, one that can be passed to other functions, returned as a result, and stored in variables.
First-order reliability method
The first-order reliability method (FORM) is a structural reliability method that approximates failure probability by linearizing the limit state function at the design point, needing only a few dozen function evaluations.
First-person view (radio control)
First-person view (FPV) is a method of flying a radio-controlled drone in which the pilot steers from a live camera feed to goggles, underpinning freestyle flying and drone racing.
First-rate
A first rate was the largest class of warship in the British Royal Navy's sailing rating system, a three-decked ship of the line mounting 100 guns or more.
FirstEnergy
FirstEnergy is an electric utility holding company based in Akron, Ohio, serving about 6 million customers, formed in 1997 and known for the Ohio House Bill 6 bribery scandal.
FirstNet
FirstNet is the nationwide wireless broadband network for United States first responders, created after the September 11 attacks and built by AT&T under a 25-year contract using dedicated Band 14 spectrum.
Fischer–Tropsch process
The Fischer–Tropsch process, also known as Fischer–Tropsch synthesis, is a set of catalytic reactions converting carbon monoxide and hydrogen into liquid hydrocarbons, developed by Franz Fischer and Hans Tropsch in 1923.
Fischertechnik
Fischertechnik is a German construction toy invented by Artur Fischer, made by fischertechnik GmbH in Waldachtal and used for building mechanics, electronics, and robotics models.
Fiserv Forum
Fiserv Forum, formerly the Wisconsin Entertainment and Sports Center, is an indoor arena in downtown Milwaukee, opened in 2018 as home of the Milwaukee Bucks and Marquette basketball.
Fish factory ship
A fish factory ship, also called a factory trawler or catcher processor, is a fishing vessel with an onboard factory that guts, fillets, packages, and freezes the catch at sea.
Fish ladder
A fish ladder, also called a fishway, is a structure of ascending pools that allows migrating fish such as salmon to pass over or around river obstacles like dams.
Fish Speech
Fish Speech is a family of open-weight text-to-speech and voice-cloning models by Fish Audio, first released in October 2023 and supporting zero-shot cloning from short samples.
Fishbowl Inventory
Fishbowl Inventory is inventory management and light manufacturing software for small and midsize businesses, founded in 2001, extending QuickBooks or Xero with barcode scanning and multi-warehouse stock control.
Fisher (valve brand)
Fisher is a brand of control valves, regulators, actuators, and digital valve instrumentation owned by Emerson Electric, founded by William Fisher in Marshalltown, Iowa, in 1880.
Fisher & Paykel
Fisher & Paykel, also known as Fisher and Paykel, is a New Zealand-founded luxury home appliance brand established in Auckland in 1934, known for the DishDrawer dishwasher.
Fisher Building
The Fisher Building is a 441-foot, 28-story Art Deco skyscraper at 3011 West Grand Boulevard in Detroit, completed in 1928 from a design by architect Albert Kahn.