All articles starting with F
15,892 articles
Free range
Free range: farming and food-labeling term for livestock with outdoor access, mainly poultry. US voluntary claim requiring daily outdoor access; UK/EU legally defined marketing standards with 12-week (meat) and 16-week (egg) housing derogations removed in 2023-2025.
Free recall
Free recall is a memory task in which a person studies a list of items and then recalls as many as possible in any order, without cues.
Free Rein
Free Rein is a British Netflix tween coming-of-age drama (2017–2019) by Lime Pictures, creators Anna McCleery and Vicki Lutas, starring Jaylen Barron as Zoe, who bonds with the horse Raven; three seasons, two Daytime Emmys.
Free shear turbulence
Free shear turbulence is turbulence in flows unbounded by solid walls, the class comprising jets, wakes, and mixing layers, where viscous effects can usually be ignored at high Reynolds number.
Free sialic acid storage disease
Free sialic acid storage disease (FSASD), also called Salla disease in its mild form and ISSD in its severe form, is a rare autosomal recessive lysosomal storage disorder caused by SLC17A5 (sialin) defects, causing lysosomal sialic acid accumulation, hypomyelination, ataxia, and elevated urinary free sialic acid.
Free silver
Free silver was an American monetary movement of the late 1800s demanding unlimited silver coinage at 16 to 1 with gold, central to the 1896 election.
Free skating
Free skating (free skate, long program) is the second figure skating segment, 4:00 minutes for seniors, with free element choice within ISU maximums (8 jumps, 3 spins, 1 step sequence), scored under the IJS since 2004.
Free Software Foundation
The Free Software Foundation is a tax-exempt American nonprofit founded by Richard Stallman in 1985 to fund the GNU operating system and promote computer users' freedom to run, copy, and modify software.
Free Software Foundation Europe
The Free Software Foundation Europe (FSFE) is a charitable organization founded in 2001 that promotes Free Software across Europe through public awareness, policy advocacy, and legal support.
Free software movement
The free software movement, launched by Richard Stallman's 1983 GNU Project and the 1985 Free Software Foundation, campaigns for users' four essential freedoms to run, study, redistribute, and modify software, distinct from the 1998 open source movement.
Free Soil Party
The Free Soil Party (1848–1854) was an American antislavery third party, founded at Buffalo by Barnburners, Conscience Whigs, and Liberty men, that opposed slavery's extension into the territories, ran Martin Van Buren in 1848, and fed into the Republican Party.
Free Solo
Free Solo (2018) is a National Geographic documentary by Elizabeth Chai Vasarhelyi and Jimmy Chin about Alex Honnold's first ropeless free solo ascent of El Capitan's Freerider route; it won the 2019 Oscar for Best Documentary Feature.
Free solo climbing
Free solo climbing is roped-free rock climbing with no rope, harness, or protection, also called solo integral. Defined by its fatal-fall risk, 1970s Yosemite roots, and Alex Honnold's 2017 ropeless Freerider ascent of El Capitan.
Free spectral range
The free spectral range, also called axial mode spacing, is the frequency spacing between adjacent modes of an optical resonator, given for length L by c/(2L).
Free Speech Movement
The Free Speech Movement (FSM) was a 1964-65 UC Berkeley student protest against campus bans on political activity, sparked by Jack Weinberg's October 1 arrest, led by Mario Savio, and ending with the university lifting content-based speech restrictions.
Free Stars: Children of Infinity
Free Stars: Children of Infinity (formerly Star Control III: Ghosts of the Precursors) is Pistol Shrimp's 2026 action-adventure sequel to The Ur-Quan Masters by Fred Ford and Paul Reiche III, crowdfunded at $680,619, with a free 38-ship combat demo released September 8, 2026.
Free State
Free State (formerly Orange Free State) is South Africa's central landlocked province, capital Bloemfontein, the judicial capital. Sesotho-majority, farming and gold-mining economy, 3.04 million people, 129,825 km².
Free State National Botanical Garden
Free State National Botanical Garden, Bloemfontein, South Africa: SANBI-managed 70-hectare conservation garden, proclaimed 1967, opened 1969, with about 400 plant species, Grassland and Nama Karoo vegetation, and a National Monument listing.
Free State of Bavaria (Weimar Republic)
Free State of Bavaria (Freistaat Bayern), a federated state of the Weimar Republic proclaimed by Kurt Eisner on 8 November 1918; ruled under the Bamberg constitution of 1919; ended by Nazi Gleichschaltung in March 1933.
Free State of Fiume
Free State of Fiume (Stato libero di Fiume), Adriatic city-state created by the 1920 Treaty of Rapallo on 28 km² and ~52,000 people; governed under Zanella 1921–22, partitioned by the 1924 Treaty of Rome between Italy and the Kingdom of SHS.
Free State of Jones (film)
Free State of Jones is a 2016 American historical war drama written and directed by Gary Ross, starring Matthew McConaughey, Mahershala Ali, and Keri Russell.
Free State of Prussia
Free State of Prussia (Freistaat Preußen), largest German state 1918–1947, republican successor to the kingdom, SPD-led Weimar government, Papen's 1932 Preußenschlag, dissolved by Control Council Law No. 46, 25 February 1947.
Free State of Saxony (Weimar Republic)
Free State of Saxony (Freistaat Sachsen), Weimar-era German federal state 1918-1933, successor to the Kingdom of Saxony; oldest German free state, site of the 1923 Reichsexekution against its SPD-KPD government, ended by Nazi Gleichschaltung in 1933-34.
Free State Project
The Free State Project (FSP) is a libertarian migration movement founded in 2001 by Jason Sorens, recruiting 20,000 signers to move to New Hampshire (chosen 2003, triggered 2016); over 6,000 have moved, with PorcFest and Liberty Forum as main gatherings.
Free surface effect
The free surface effect is the loss of a ship's initial stability caused by liquid that shifts toward the low side in a partially filled tank as the vessel heels.
Free Syrian Army (الجيش السوري الحر)
Free Syrian Army (الجيش السوري الحر), FSA: Syrian armed opposition umbrella founded 29 July 2011 by defected Air Force colonel Riad al-Asad to fight Bashar al-Assad; reorganized under Salim Idriss's SMC in 2012, then fragmented after 2013.
Free TC
Free TC is the 2015 debut studio album by Los Angeles R&B singer Ty Dolla $ign, released on Atlantic Records and dedicated to his incarcerated brother Gabriel "TC" Griffin; it earned a Metacritic score of 76.
Free Territory of Trieste
The Free Territory of Trieste (Territorio Libero di Trieste) was a territory on the upper Adriatic between Italy and Yugoslavia, established by the Treaty of Peace with Italy in 1947.
Free Thai Movement
The Free Thai Movement (Thai: เสรีไทย, Seri Thai) was a Thai underground resistance movement against Japan in World War II, led by Pridi Banomyong and credited with preserving Thailand's sovereignty.
Free the nipple
Free the nipple (#FreeTheNipple) is a fourth-wave feminist campaign for gender-equal rights to appear topless in public and against social media censorship of female nipples, founded around Lina Esco's 2012 film.