Eureka often refers to: *

Eureka (word) file:Eureka! Archimede.jpg, Archimedes exclaiming ''Eureka''. In his excitement, he forgets to dress and runs nude in the streets straight out of his bath (drawing by Pietro Scalvini, engraving by Carlo Orsolini, 1737) ''Eureka'' () is an interjec ...

, a famous exclamation attributed to Archimedes *

Eureka effect The eureka effect (also known as the Aha! moment or eureka moment) refers to the common human experience of suddenly understanding a previously incomprehensible problem or concept. Some research describes the Aha! effect (also known as insight or ...

, the sudden, unexpected realization of the solution to a problem Eureka or Ureka may also refer to:

History

Eureka Rebellion The Eureka Rebellion was a series of events involving gold miners who revolted against the United Kingdom of Great Britain and Ireland, British administration of the Victoria (Australia)#Colonial Victoria, colony of Victoria, History of Au ...

, an 1854 goldminers' rebellion in Ballarat, Victoria, Australia **

Eureka Flag The Eureka Flag was flown at the Battle of the Eureka Stockade, which took place on 3 December 1854 at Ballarat in Victoria, Australia. It was the culmination of the 1851 to 1854 Eureka Rebellion on the Victorian goldfields. Gold miners prot ...

, the battle flag of the Eureka Rebellion *

Tehran Conference The Tehran Conference (codenamed Eureka) was a strategy meeting of the Allies of World War II, held between Joseph Stalin, Franklin D. Roosevelt, and Winston Churchill from 28 November to 1 December 1943. It was the first of the Allied World Wa ...

, codenamed Eureka, an Allied meeting during World War II

Businesses

* Eureka (company), a manufacturer of vacuum cleaners * Eureka! Restaurant Group, California-based hamburger restaurant chain * Eureka! Tent Company, an American company * Kværner Eureka, a Norwegian engineering and construction services company

Media and entertainment

Characters

* Eureka O'Hara, an American drag queen, popularized on ''Rupaul's Drag Race'' *

Eureka (Oz) This is a list of characters in the original Oz books by American author L. Frank Baum. The majority of characters listed here unless noted otherwise have appeared in multiple books under various plotlines. Land of Oz, Oz is made up of four divi ...

, Dorothy Gale's cat in ''The Wizard of Oz'', so named because Uncle Henry found her * Eureka (Eureka Seven), a main character in ''Eureka Seven''

Film and television

* ''Eureka'' (1983 film), a British-American drama directed by Nicolas Roeg * ''Eureka'' (2000 film), a Japanese drama directed by Shinji Aoyama * ''Eureka'' (2020 film), an Indian Telugu-language thriller film by Karteek Anand * ''Eureka'' (2023 film), an Argentine drama directed by Lisandro Alonso * ''Eureka!'' (Canadian TV series), a 1980s Canadian educational series * ''Eureka!'' (2022 TV series), a 2020s American educational series * ''Eureka'' (British TV series), a 1980s British educational series * ''Eureka'' (2006 TV series), an American science fiction series aired 2006–2012 ** ''Eureka'' (soundtrack), a 2008 soundtrack album * ''

Eureka TV ''Eureka TV'' is a British children's television series about science that ran from 2001 to 2005 on the children's TV channel CBBC. Presenters * Fearne Cotton (series 1–2) 2001-2003 * Kate Heavenor (series 1–3) 2001-2005 * Mohini Sule (s ...

'', a British children's science show aired 2001–2005 *

Eureka Learning Channel Eureka Learning Channel, also known as Eureka, was a Singaporean cable television channel owned by and broadcast on Singapore CableVision (SCV). Portions of the schedule were also carried for free on the SCV Preview Channel. Eureka was Singapore ...

, a defunct Singaporean educational television channel

Music

* ''Eureka'' (The Bible album), 1988 * ''Eureka'' (Jim O'Rourke album), whose title track was featured in the 2000 film * ''Eureka'' (Mother Mother album) * ''Eureka'' (Rooney album), 2010 * ''Eureka'' (Leslie Clio album) * "Eureka" (Sakanaction song), 2014 song by Sakanaction * "Eureka" (Gen Hoshino song), 2025 song by Gen Hoshino

Literature

* ''Eureka'' (University of Cambridge magazine), published by the Cambridge University Mathematical Society * ''Eureka'' (Italian magazine), a monthly comic magazine published between 1967 and 1989 * , a monthly general art magazine with a focus on poetry and criticism * '' Eureka: A Prose Poem'', a 1848 essay by Edgar Allan Poe * ''Eureka'', a monthly science magazine for primary school students in Malayalam language published by

Kerala Sasthra Sahithya Parishad Kerala Sasthra Sahithya Parishad (KSSP) () is a prominent science and literature organization based in the Indian state of Kerala. It was founded in 1962 with the aim of promoting scientific temper, Rationality, rational thinking, and a scientif ...

, Kerala, India * ''Eureka'' (journal), the original name of the Canadian mathematical problem-solving journal ''Crux Mathematicorum''

Other media

* ''Eureka'' (musical), a 2004 Australian musical * ''Eureka!'' (video game), a 1984 text adventure

Places

Australia

* Eureka, New South Wales, a suburb in Byron Shire * Eureka, Queensland, a locality in the Bundaberg Region *

Eureka, Victoria Eureka is a small eastern suburb of Ballarat, Victoria, Australia. It was originally part of Ballarat East but became its own suburb in 1946 in recognition of the area's significance to Australian history. Eureka is bordered by Specimen Creek ...

, a small eastern suburb of Ballarat

Canada

* Eureka, Nova Scotia *

Eureka, Nunavut Eureka is a small research base on Fosheim Peninsula, Ellesmere Island, Qikiqtaaluk Region, in the Canadian territory of Nunavut. It is located on the north side of Slidre Fiord, which enters Eureka Sound farther west. It is the third-northe ...

* Eureka Pass, Axel Heiberg Island, Nunavut * Eureka Sound, Nunavut

Equatorial Guinea

* San Antonio de Ureca, also called Ureka, on Bioko Island and known as one of the wettest places on Earth

New Zealand

* Eureka, New Zealand, rural settlement in the Waikato District

United States

Eureka, California Eureka ( ; Wiyot: ; Hupa: ; ) is a city and the county seat of Humboldt County, located on the North Coast of California. The city is located on U.S. Route 101 on the shores of Humboldt Bay, north of San Francisco and south of the Oreg ...

, the largest US city named Eureka *

Eureka, Colorado Eureka is an extinct mining town in San Juan County, Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is als ...

* Eureka, Marion County, Florida * Eureka, Miami-Dade County, Florida, part of Richmond West, Florida *

Eureka, Illinois Eureka is a city and the county seat of Woodford County, Illinois, United States. The population was 5,295 at the 2010 census. Eureka is part of the Peoria metropolitan area. Eureka is a small community centered on the intersection of what is ...

Eureka College Eureka College is a private college in Eureka, Illinois, United States. Founded in 1855, it is related by covenant to the Christian Church (Disciples of Christ). The college enrolled approximately 559 students in 2023. Eureka College was founde ...

* Eureka, Lawrence County, Indiana, an unincorporated community * Eureka, Spencer County, Indiana, an unincorporated community * Eureka, Kansas * Eureka, Michigan, an unincorporated community * Eureka, Missouri * Eureka, Perry County, Missouri * Eureka, Montana * Eureka, Nevada * Eureka, North Carolina * Eureka, Oregon, an unincorporated community and ghost town *

Eureka, Pennsylvania Eureka is an unincorporated community in Pennsylvania, United States on the border of Warrington Township in Bucks County Bucks County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 646,538, mak ...

* Eureka, South Carolina, an unincorporated community in

Aiken County, South Carolina Aiken County () is a county in the U.S. state of South Carolina. As of the 2020 census, its population was 168,808. Its county seat and largest community is Aiken. Aiken County is a part of the Augusta- Richmond County, GA-SC Metropolitan ...

Eureka, South Dakota Eureka is a city in western McPherson County, South Dakota, United States, near the North Dakota state line. The population was 813 at the 2020 census. History Eureka was laid out in 1887, and named " Eureka", a Greek exclamation meaning "I ha ...

* Eureka, Texas (disambiguation) *

Eureka, Utah Eureka is a city in Juab County, Utah, Juab County, Utah, United States. It is part of the Provo–Orem metropolitan area. The population was 669 at the 2010 United States Census, 2010 census, down from 766 in 2000 United States Census, 2000. ...

* Eureka (Baskerville, Virginia), a historic home near Baskerville, Mecklenburg County, Virginia * Eureka, Washington * Eureka, West Virginia * Eureka, Polk County, Wisconsin, a town * Eureka, Winnebago County, Wisconsin, an unincorporated community * Eureka Center, Minnesota * Eureka Center, Wisconsin *

Eureka County, Nevada Eureka County is a county in the U.S. state of Nevada. As of the 2020 census, the population was 1,855, making it the second-least populous county in Nevada. Its county seat is Eureka. Eureka County is part of the Elko Micropolitan Statist ...

Eureka Springs, Arkansas Eureka Springs is a city in Carroll County, Arkansas, United States, and one of two county seats for the county. It is located in the Ozark Mountains of northwest Arkansas, near the border with Missouri. As of the 2020 census, the city popula ...

* Eureka Township, Adair County, Iowa * Eureka Township, Michigan * Eureka Township, Dakota County, Minnesota * Eureka Township, Valley County, Nebraska *

Eureka Valley (Inyo County) Eureka Valley is located in Inyo County, in eastern California in the southwestern United States. It is approximately long and up to wide, with elevations varying from up to . The southern section of the valley is now part of the Death Valley ...

, California *

Eureka Valley, San Francisco Eureka Valley is a neighborhood in San Francisco, primarily a quiet residential neighborhood but boasting one of the most visited sub-neighborhoods in the city, The Castro. The neighborhood is popular with families and the LGBT community. The ...

, California

Science and technology

Eureka (organisation) Eureka (often abbreviated as E!, or Σ!) is an intergovernmental organisation for research and development funding and coordination. Eureka is an open platform for international cooperation in innovation. Organisations and companies applying t ...

, an international research and development funding and coordination network *

Eureka (OPAC) Eureka was the user interface for general users of the Research Library Information Network (RLIN), a bibliographic resource containing records from libraries that were members of Research Libraries Group (RLG). Eureka had the capacity to search am ...

, a library search engine developed by RLG *

Eureka! (museum) Eureka! The National Children's Museum is an interactive educational museum for children in Halifax, West Yorkshire, Halifax, West Yorkshire, England, with a focus on learning through play. It is run as an educational Charitable organization, ...

, a museum in Halifax, West Yorkshire, United Kingdom * The Eureka, a machine for generating Latin verses * Eureka-147, a system for digital audio broadcast * Eureka Streams, an open source software project * Eureka theorem, a result of Gauss that every natural number is the sum of three triangular numbers * 5261 Eureka, an asteroid co-orbital with Mars * Constantan, also known as Eureka, a metal alloy * Heureka, a science centre in Vantaa, Finland * Eureka, the transponder component of the World War II Rebecca/Eureka transponding radar * Eureka: The Solver, numerical solver for mathematical systems of equations, released by

Borland Borland Software Corporation was a computing technology company founded in 1983 by Niels Jensen, Ole Henriksen, Mogens Glad, and Philippe Kahn. Its main business was developing and selling software development and software deployment products. B ...

, 1987

Transportation

* Eureka (1900 automobile), an American automobile * Eureka (1907 automobile), an American automobile * ''Eureka'' (airship), a Zeppelin NT owned by Airship Ventures * Eureka (French automobile), a French automobile * ''Eureka'' (ferryboat), an 1890-built steam ferryboat now preserved in San Francisco * Ameri-Cana Eureka, a Canadian ultralight aircraft

Other uses

* Eureka Diamond, the first diamond found in South Africa * Eureka Mountain (Colorado), a summit in the Sangre de Cristo Range *

Eureka Poker Tour The Eureka Poker Tour (EKA) started in March 2011, is a major regional poker tour in the central and eastern Europe. The tour is sponsored by PokerStars.com, like its counterparts, the European Poker Tour (2004), Asia Pacific Poker Tour (2007), ...

, poker tour in the central and eastern Europe *

Eureka Prizes The Eureka Prizes are awarded annually by the Australian Museum, Sydney, to recognise individuals and organisations who have contributed to science and the understanding of science in Australia. They were founded in 1990 following a suggestion ...

, annual Australian science prizes presented by the Australian Museum, Sydney, Australia * Eureka Shipyard, a shipyard of the early 20th century in New York State *

Eureka Tower Eureka Tower is a skyscraper located in the Southbank precinct of Melbourne, Victoria, Australia. Construction began in August 2002 and the exterior was completed on 1 June 2006. The plaza was finished in June 2006 and the building was offici ...

, a 2006 91-storey residential building in Melbourne, Australia * Disney's Eureka! A California Parade, a former parade in Disney's California Adventure Park * Eureka! Program, a teen girls' achievement program run by Girls, Inc. * Asociación Atlética Eureka, known as Eureka, a former football team in Argentina * Eureka O'Hara, American drag queen