All articles starting with O
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One-state solution
One-state solution: proposal to replace Israel, the West Bank, and Gaza with a single democratic state of equal citizenship between the river and the sea; also called the one democratic state or binational state idea, contrasted with the two-state solution.
One-Storey America
One-Storey America (Одноэтажная Америка), published in English as The Little Golden America, is a 1937 travel essay by the Soviet satirists Ilf and Petrov about their 1935 automobile journey across the United States.
One-time pad
The one-time pad, also called the Vernam cipher, is an encryption method that XORs a message with a random key used once, achieving perfect secrecy.
One-time password
A one-time password (OTP) is a secret code generated by an authenticator and used only once to log in, so an intercepted code cannot be replayed later.
One-way analysis of variance
The one-way analysis of variance (one-way ANOVA) is a statistical test of whether the means of three or more independent groups differ, defined by a single factor.
One-way attack drone
A one-way attack drone, also known as a loitering munition or kamikaze drone, is a single-use UAV with an explosive warhead flown into a point target.
One-way function
A one-way function is a function that is easy to compute on every input but hard to invert, the foundational assumption of modern cryptography that has never been proved to exist.
One-way mirror
A one-way mirror, also called a two-way mirror or transparent mirror, is partially reflective glass that acts as a mirror on its lit side, allowing observation from a darker side.
One-way quantum computer
The one-way quantum computer, the founding scheme of measurement-based quantum computing, performs computation entirely by single-qubit measurements on an entangled cluster state; proposed by Raussendorf and Briegel in 2001.
One-way speed of light
The one-way speed of light is the speed of light measured over a single path, which cannot be measured without a convention for synchronizing distant clocks.
One-X
One-X is a 2006 studio album by the Canadian rock group Three Days Grace. It was produced by Howard Benson and achieved quintuple-platinum status in the United States.
One, Two, Buckle My Shoe
One, Two, Buckle My Shoe is an English counting nursery rhyme, first printed in London in 1805, that pairs each number with a rhyming action or image, usually counting to ten.
One, Two, Three
One, Two, Three (German: Eins, zwei, drei) is Billy Wilder's 1961 Cold War comedy starring James Cagney as a Coca-Cola executive in West Berlin, adapted from Ferenc Molnár's play Egy, kettő, három; distinct from Frankel's 2021 novel and Berlinski's math book.
ONE: High School Heroes (ONE : 하이스쿨 히어로즈)
ONE: High School Heroes (ONE : 하이스쿨 히어로즈) is a 2025 Wavve original Korean action drama, 8 episodes from May 30, 2025, adapted from Lee Eun-jae's Kakao webtoon ONE, starring Lee Jung-ha and Kim Do-wan as masked vigilante students.
One: Number 31, 1950
One: Number 31, 1950 is a large drip painting by Jackson Pollock, made in 1950 and held by the Museum of Modern Art in New York.
One's Own Garden
One's Own Garden (《自己的园地》) is a 1923 collection of essays and literary criticism by the Chinese writer Zhou Zuoren, first published in Beijing and regarded as a foundation of modern Chinese literary criticism.
One57
One57, also known as Carnegie 57, is a 1,004-foot skyscraper at 157 West 57th Street in Midtown Manhattan, with luxury condominiums above a Park Hyatt hotel.
oneAPI
oneAPI is an open, standards-based unified programming model launched by Intel in 2019 to write code for CPUs, GPUs, and other accelerators, now governed by the UXL Foundation.
OneBC (political party)
OneBC is a right-wing provincial party in British Columbia founded in June 2025 by ex-BC Conservative MLAs Dallas Brodie and Tara Armstrong; it holds two seats, campaigns on repealing DRIPA and UNDRIP, tax cuts, and private health care, and runs 33 candidates in 2026.
Onebrief
Onebrief (formerly Broadcouncil) is a Honolulu defense software startup founded in 2018 that makes AI-driven military planning software used by the U.S. Department of Defense.
OneCard (FPL Technologies)
OneCard is the mobile-first, metal, co-branded credit card brand of FPL Technologies, a Pune fintech founded in 2019 that became a unicorn; the RBI paused new-card issuance in December 2025.
OneCoin
OneCoin was a fraudulent cryptocurrency scheme founded in 2014 in Sofia, Bulgaria by Ruja Ignatova, taking in over $4 billion from at least 3.5 million victims.
OneDigital
OneDigital, founded in 2000 as Digital Insurance, is an American insurance brokerage, financial services, and workforce consulting firm headquartered in Atlanta, Georgia, valued at over $7 billion in 2025.
OneDrive
Microsoft OneDrive is a file hosting and synchronization service that stores files in the cloud and syncs them across devices, launched in 2007 as Windows Live SkyDrive and renamed OneDrive in 2014.
Onee
Onee (Office National de l'Électricité et du Potable, ONEE) is a Moroccan state-owned utility providing electricity and drinking water, formed in 2012 through a merger.
Onega
Onega (Onego, Онежское озеро), Europe's second largest lake, in Karelia, Russia; ~9,720–9,890 km², Svir River outlet to Ladoga, glacial origin, Onega petroglyphs.
Onegai AiPri
Onegai AiPri (おねがいアイプリ) is the 2026 Pretty Series arcade game and anime by Takara Tomy Arts and syn Sophia, successor to Himitsu no AiPri, featuring card-moving rhythm lives, Buzzrium Change, and the linked AiPri Verse cabinet.
Onegin (Cranko)
Onegin is John Cranko's three-act ballet after Pushkin's verse novel, premiered 13 April 1965 by Stuttgart Ballet to Tchaikovsky music arranged by Kurt-Heinz Stolze, with no music from Tchaikovsky's opera; a worldwide narrative-ballet staple.
Onegin stanza (онегинская строфа)
Onegin stanza (онегинская строфа): a 14-line iambic tetrameter stanza with rhyme scheme AbAbCCddEffEgg, invented by Pushkin for Eugene Onegin (1823-1831) and later used by Lermontov, Vyacheslav Ivanov, Severyanin, and Vikram Seth.
Onehouse
Onehouse Inc is a Sunnyvale, California data infrastructure company founded in 2021 by Vinoth Chandar, creator of Apache Hudi at Uber. Its managed lakehouse service runs in customers' own cloud accounts, supporting Hudi, Iceberg, and Delta Lake, with $68M raised.