All articles starting with F
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Firefly algorithm
The firefly algorithm is a nature-inspired metaheuristic introduced by Xin-She Yang in 2009 that solves continuous, discrete, and multiobjective optimization problems by simulating fireflies attracted to brighter candidates.
Firefly Lane
Firefly Lane is a Netflix drama series (2021-2023) created by Maggie Friedman from Kristin Hannah's 2008 novel, starring Katherine Heigl and Sarah Chalke as friends Tully and Kate across three decades.
Firefly squid
Firefly squid (Watasenia scintillans, hotaru-ika), a small bioluminescent enope squid of the Sea of Japan with about 800 ventral photophores, ATP-dependent blue bioluminescence, and spring spawning runs in Toyama Bay, Japan.
Firefly Wedding
Firefly Wedding (ホタルの嫁入り, Hotaru no Yomeiri) is a Meiji-era josei romance-suspense manga by Oreco Tachibana, serialized on Shogakukan's MangaONE from January 2023, about noblewoman Satoko Kirigaya proposing to her assassin Shinpei Gotō; adapted into a 2026 david production anime.
Firefox
Firefox, also known as Mozilla Firefox, is a free, open-source web browser from Mozilla that renders pages with the Gecko engine instead of Chromium's Blink.
Firefox (film)
Firefox is a 1982 American techno-thriller directed by and starring Clint Eastwood, based on Craig Thomas's novel, in which a US pilot steals a radar-invisible, thought-controlled Soviet fighter.
Firefox OS
Firefox OS, originally the Boot to Gecko project, was an open-source mobile operating system by Mozilla that ran only web apps; it launched on smartphones in 2013 and was discontinued in 2016.
Firefox version history
The Firefox version history covers Mozilla Firefox's releases from its 2002 Phoenix origins through Firefox 1.0 in 2004, the 2011 rapid-release cycle, and the 2017 Quantum rebuild.
Firehose of falsehood
Firehose of falsehood: propaganda model coined by RAND's Christopher Paul and Miriam Matthews in 2016 for Russian disinformation; high-volume, multichannel, rapid, repetitive, indifferent to truth and consistency.
Firehouse Dog
Firehouse Dog is a 2007 American family comedy film directed by Todd Holland, starring Josh Hutcherson and Bruce Greenwood, in which a Hollywood dog becomes a firehouse mascot.
Firehouse Subs
Firehouse Subs: American fast-casual sub sandwich chain founded 1994 in Jacksonville, Florida by firefighter brothers Chris and Robin Sorensen; steamed subs, Hook & Ladder menu, Public Safety Foundation, RBI-owned since 2021 for $1.0 billion.
Firehouse, Engine Company 10 and Ladder Company 10
Ten House, FDNY firehouse at 124 Liberty Street, Manhattan, home of Engine Company 10 and Ladder Company 10 since 1980 and 1984; first to respond on 9/11, heavily damaged, rebuilt 2003 with the FDNY Memorial Wall.
Fireless locomotive
A fireless locomotive, or fireless steam locomotive, is a steam locomotive powered by stored steam and superheated water, used where fire or sparks were hazardous.
Firema
Firema (Firema Trasporti S.p.A.) is an Italian rolling stock manufacturer headquartered in Caserta, building locomotives, metro trains, and trams; owned by India's Titagarh group since 2015.
Fireman Sam
Fireman Sam, also known as Sam Tân, is a British animated children's series about a fireman in the fictional Welsh village of Pontypandy, first broadcast in 1987.
Fireplace
A fireplace is a structure built into a wall or as a factory-made appliance in which fuel, usually wood, is burned in a firebox and vented through a chimney.
Fireproof (film)
Fireproof is a 2008 American Christian drama film directed by Alex Kendrick about a firefighter who tries to save his failing marriage through a 40-day program.
Fires on the Plain (野火)
Fires on the Plain (野火, Nobi) is Kon Ichikawa's 1959 Daiei war film, adapted by Natto Wada from Ōoka Shōhei's novel, starring Eiji Funakoshi as a tubercular private on Leyte; it won the 1961 Locarno Grand Prix.
Fireside chats
Fireside chats: Franklin D. Roosevelt's 31 evening radio addresses (1933-1944), also counted as 30, delivered conversationally from the White House and Hyde Park during the Great Depression and World War II.
Fireside Poets
The Fireside Poets, also called the Schoolroom or Household Poets, were five 19th-century New England poets, including Longfellow, Whittier, and Bryant, read aloud in homes.
Fireside Ventures
Fireside Ventures is a Bengaluru venture capital firm founded in 2017 by Kanwaljit Singh that invests in early-stage Indian consumer brands, managing about $650 million across four funds.
Fireside Ventures Investment IFSC Fund IV (venture capital fund)
Fireside Ventures Investment IFSC Fund IV is an India-domiciled GIFT City feeder trust for Fireside Ventures' fourth fund, closed at Rs 22.65 billion (Rs 2,265 crore), about $253 million, in December 2025.
Firestarter (1984 film)
Firestarter is a 1984 American science-fiction horror film directed by Mark L. Lester, based on Stephen King's novel, starring Drew Barrymore as a girl who starts fires with her mind.
Firestarter (2022 film)
Firestarter (2022) is a Blumhouse supernatural horror-thriller remake of Stephen King's 1980 novel, directed by Keith Thomas, starring Zac Efron and Ryan Kiera Armstrong, released May 13, 2022 in theaters and on Peacock, grossing $15 million and scoring 10% on Rotten Tomatoes.
Firestarter (novel)
Firestarter (神秘火焰) is Stephen King's 1980 Viking Press novel about Charlie McGee, a pyrokinetic girl hunted by the secret agency The Shop after her parents took the drug Lot Six; adapted to film in 1984 and 2022.
Firestarter (The Prodigy song)
Firestarter is The Prodigy's 1996 single, first from The Fat of the Land, their first UK No.1 for three weeks, sampling the Breeders' S.O.S., Ten City, and Art of Noise, with Keith Flint's vocal debut.
Firestone (company)
Firestone, originally the Firestone Tire & Rubber Company, is an American tire brand founded by Harvey S. Firestone in Akron, Ohio, in 1900 and owned by Japan's Bridgestone since 1988.
Firestone and Ford tire controversy
The Firestone and Ford tire controversy was a product-safety crisis in which Firestone tires on the Ford Explorer suffered tread separations, causing hundreds of deaths and a 2000 recall.
Firestone rubber concession in Liberia
The Firestone rubber concession in Liberia is a 1926 land grant under which Firestone has run rubber plantations, the world's largest contiguous, renegotiated most recently in 2008 to run through 2041.
Firestorm
A firestorm is a fire so intense that it generates its own wind system, sustaining and spreading the flames, sometimes producing its own pyrocumulonimbus cloud, lightning, and tornadoes.