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Detective K: Secret of the Lost Island (조선명탐정: 사라진 놉의 딸)

Detective K: Secret of the Lost Island (조선명탐정: 사라진 놉의 딸) is a 2015 South Korean period comedy-adventure film directed by Kim Sok-yun and the second Detective K film.

Detective K: Secret of Virtuous Widow

Detective K: Secret of Virtuous Widow (조선명탐정: 각시투구꽃의 비밀) is a 2010 South Korean comedy action detective film directed by Kim Sok-yun, starring Kim Myung-min, Oh Dal-su, and Han Ji-min, adapted from Kim Tak-hwan's novel and drawing 4.79 million admissions.

Detective Pikachu (film)

Pokémon Detective Pikachu (2019), Rob Letterman's live-action Pokémon film, aka Detective Pikachu movie: Ryan Reynolds voices the sleuth Pikachu alongside Justice Smith; it grossed $433 million worldwide and was the first video game film rated Fresh on Rotten Tomatoes.

Detective Pikachu (名探偵ピカチュウ) (video game)

Detective Pikachu (名探偵ピカチュウ) is a Creatures-developed Nintendo 3DS Pokémon spin-off adventure game released in Japan in 2016 and worldwide March 23, 2018, starring Tim Goodman and a talking detective Pikachu in Ryme City; it inspired the 2019 live-action film and the 2023 Switch sequel Detective Pikachu Returns.

Detective quantum efficiency

Detective quantum efficiency (DQE) is a figure of merit for digital X-ray imaging detectors, defined as the ratio of squared output to squared input signal-to-noise ratio.

Detective Sherdil

Detective Sherdil (जासूस शेरदिल) is a 2025 Hindi mystery-comedy on ZEE5, Ravi Chhabriya's directorial debut, starring Diljit Dosanjh as a Budapest detective solving a telecom tycoon's murder.

Detective Story (1951 film)

Detective Story is William Wyler's 1951 Paramount crime drama, also called Sidney Kingsley's Detective Story, adapted from Kingsley's 1949 Broadway play. Kirk Douglas plays rigid Detective Jim McLeod; four Oscar nominations, no wins; Lee Grant's screen debut.

Detective Ujjwalan

Detective Ujjwalan (ഡിറ്റക്ടീവ് ഉജ്ജ്വലൻ) is a 2025 Malayalam comedy mystery thriller directed by Indraneel Gopeekrishnan and Rahul G, starring Dhyan Sreenivasan as an amateur detective in the village of Plaachikkaavu; second Weekend Cinematic Universe film after Minnal Murali, released 23 May 2025, streaming on Netflix.

Detective vs. Sleuths (神探大战)

Detective vs. Sleuths (神探大战) is a 2022 Hong Kong crime action film directed by Wai Ka-Fai, starring Lau Ching-wan as a disgraced detective hunting vigilante killers.

Detectives These Days Are Crazy!

Detectives These Days Are Crazy! (まったく最近の探偵ときたら, Mattaku Saikin no Tantei to Kitara) is Masakuni Igarashi's comedy-mystery manga in Dengeki Maoh since 2016 and a 2025 LIDENFILMS anime about washed-up detective Nagumo and assistant Mashiro.

Detector (radio)

A detector in radio is the receiver circuit that recovers the information carried by a radio-frequency signal, converting it into audible Morse clicks, voice, or a measured voltage.

Detectorists

Detectorists is a British BBC Four sitcom, 2014–2022, written and directed by Mackenzie Crook, starring Crook and Toby Jones as metal detecting friends Andy and Lance in fictional Danebury, Essex.

Detectron2

Detectron2 is an open-source Python library from Facebook AI Research, built on PyTorch, for object detection, instance segmentation, and other visual recognition tasks, and the successor of the original Detectron.

Détente

Détente (razryadka) is the easing of tension between antagonistic states, especially US–Soviet Cold War relations from the late 1960s to 1979, marked by SALT I, the ABM Treaty, and the Helsinki Final Act, ending with the 1979 Soviet invasion of Afghanistan.

Detente, sombra de mi bien esquivo

"Detente, sombra de mi bien esquivo" is a 1689 love sonnet by the Mexican poet Sor Juana Inés de la Cruz, first published in Inundación castálida.

Detention (2019 film)

Detention (返校) is a 2019 Taiwanese psychological horror film directed by John Hsu, adapted from Red Candle Games' 2017 video game, set in 1962 White Terror Taiwan, starring Gingle Wang, grossing over NT$250 million and winning five Golden Horse Awards.

Detention (video game)

Detention (返校, Fanxiao) is a 2017 2D point-and-click horror game by Taiwan's Red Candle Games, set in 1960s White Terror-era Taiwan; Steam top-three hit, Metacritic 83, adapted into a 2019 film and 2020 series.

Detention basin

A detention basin is an engineered depression that temporarily stores stormwater runoff and releases it slowly through a controlled outlet, reducing downstream peak flows and flooding.

Detention dam

A detention dam is a dam built to hold floodwater temporarily and release it at a controlled rate, rather than to store water permanently for supply or power.

Detention of Craig and Lindsay Foreman

Detention of Craig and Lindsay Foreman: British couple from East Sussex arrested in Iran on 3 January 2025 during a motorcycle world tour, sentenced in February 2026 to ten years for espionage, which they deny.

Detention of Everlee Wihongi

Detention of Everlee Wihongi: 2026 ICE custody of a New Zealand citizen and US green card holder held at Los Angeles airport over a 2014 Wisconsin cannabis conviction; the conviction was vacated and she was later released after criticism of New Zealand's consular response.

Detention of Liam Conejo Ramos

January 20, 2026 ICE detention of five-year-old Ecuadorian Liam Conejo Ramos (Liam Ramos) and father Adrian Conejo Arias in Columbia Heights, Minnesota, during Operation Metro Surge; Dilley detention, court-ordered release, and denied asylum claim.

Detention of Mahmoud Khalil

Detention of Mahmoud Khalil: the March 8, 2025 ICE arrest of the Palestinian Columbia graduate and lawful permanent resident, his 104-day detention in Jena, Louisiana, the Rubio foreign-policy deportation charge, and the resulting habeas and Third Circuit litigation.

Detention of Michael Spavor and Michael Kovrig

The 'Two Michaels': Canadians Michael Kovrig and Michael Spavor, detained by China on December 10, 2018 in apparent retaliation for Meng Wanzhou's arrest, held 1,019 days, and released September 24, 2021, the day Meng's extradition case was dropped.

Detention of Rümeysa Öztürk

Detention of Rümeysa Öztürk: Turkish Tufts PhD student and Fulbright scholar arrested by ICE March 25, 2025 in Somerville over a Gaza op-ed, held six weeks in Louisiana, released by court order May 9, 2025.

Detergent

A detergent is a cleaning product whose active ingredients are surfactants, which lower water's surface tension so it can wet surfaces, lift soil, and rinse it away.

Deterioration modeling

Deterioration modeling, also called infrastructure deterioration modeling, uses statistical, probabilistic, and physical models to predict how infrastructure, most commonly highway bridges, declines over time, guiding maintenance and budget planning in systems like Pontis.

Determinacy (set theory)

In set theory, determinacy is the property of an infinite two-player game that one player has a winning strategy; the full Axiom of Determinacy contradicts the Axiom of Choice.

Determinacy and large cardinals

Determinacy and large cardinals refers to results linking determinacy axioms, which say certain infinite games have winning strategies, with large cardinal axioms, beginning with work from the 1960s onward.

Determinant

The determinant of a square matrix is a scalar that measures how the matrix scales oriented volume and is zero exactly when the matrix is not invertible.