All articles starting with U
6,146 articles
Unmadham
Unmadham (ഉന്മാദം), 2026 Malayalam psychological crime thriller, debut director Kiran Das, script by Shahi Kabir, starring Kunchacko Boban and Lijomol Jose; constable reopens a cursed cold case; released July 31, 2026, SonyLIV from September 4, 2026.
Unmanaged land
Unmanaged land is land without direct human interventions for production, ecological, or social functions, the IPCC complement of managed land; its GHG fluxes go unreported, covering about 8% of US land and 34% of Canadian forests.
Unmanned aerial vehicle
An unmanned aerial vehicle (UAV), or drone, is an aircraft that flies without a pilot on board, controlled remotely by an operator or autonomously by an onboard computer.
Unmanned aerial vehicle photogrammetric survey
An unmanned aerial vehicle photogrammetric survey is a drone mapping method that flies planned patterns over a site and processes overlapping photographs into orthomosaics, point clouds, and digital elevation models.
Unmanned aircraft system
An unmanned aircraft system (UAS) is the complete setup for flying a drone: the aircraft, its command-and-control datalink, the ground control station, and the software linking them.
Unmanned aircraft system traffic management
Unmanned aircraft system traffic management (UTM) is a framework for safely coordinating drone flights at low altitudes, developed by NASA from 2013 and now overseen by the FAA.
Unmanned combat aerial vehicle
An unmanned combat aerial vehicle (UCAV), or combat drone, is an unmanned aircraft armed with missiles, bombs, or guns; unlike surveillance drones, it is built to engage targets.
Unmanned fighter aircraft
An unmanned fighter aircraft, or unmanned combat air vehicle, is a combat jet flown without a pilot on board, by remote control or onboard autonomy under human command.
Unmanned ground vehicle
An unmanned ground vehicle, or uncrewed ground vehicle (UGV), is a robotic vehicle operating on the ground without a human aboard, used in military logistics, agriculture, and planetary rovers.
Unmanned Innovation Inc.
Unmanned Innovation Inc., operating as Airware, was a San Francisco-based drone technology company founded by Jonathan Downey. It ceased operations in 2018 after raising nearly $101 million.
Unmanned Systems Forces of Russia
Unmanned Systems Forces of Russia (Войска беспилотных систем), also called Unmanned Systems Troops, is Russia's separate military branch for drones, announced December 2024, established 2025, led by Colonel General Denis Lyamin, with Rubikon as flagship and a 210,000-troop goal by 2030.
Unmanned Systems Forces of Ukraine
The Unmanned Systems Forces of Ukraine (Ukrainian: Сили безпілотних систем) is a separate branch of Ukraine's armed forces devoted to drone warfare, created in 2024 during the Russo-Ukrainian War.
Unmanned underwater vehicle
An unmanned underwater vehicle (UUV), also called an underwater drone or robotic submarine, is a robot operating underwater without a human aboard, either tethered and remotely piloted or autonomous.
Unmarry
UnMarry is a 2025 Filipino drama film about annulment, directed by Jeffrey Jeturian and starring Angelica Panganiban, Zanjoe Marudo, Eugene Domingo, Tom Rodriguez, and Solenn Heussaff. A Quantum Films–Cineko MMFF 2025 Second-Best Picture winner released on Netflix in July 2026.
Unmasked (Kiss album)
Unmasked is the eighth studio album by American rock band Kiss, released on May 20, 1980. Produced by Vini Poncia, it continued the pop direction of Dynasty and was certified gold in the United States.
Unmasked (트리거) (TV series)
Unmasked (트리거, Trigger) is a 2025 South Korean Disney+ comedy-thriller series, 12 episodes aired January 15 to February 19, 2025, starring Kim Hye-soo, Jung Sung-il, and Joo Jong-hyuk as an investigative journalism team solving a 20-year cold case.
Unmoved mover
The unmoved mover (to prōton kinoun akinēton) is Aristotle's changeless first cause of all motion, argued in Physics 8 and Metaphysics 12, moving as a final cause; adapted by Aquinas and widely debated.
Unmukt Chand
Unmukt Chand, born 1993 in Delhi, is an Indian-born cricketer who captained India to the 2012 U19 World Cup with 111 in the final, then retired from Indian cricket in 2021 and plays in US cricket.
Unmusique
Unmusique is the debut mixtape by American musician Lucy Bedroque, released through deadAir Records on May 16, 2025, a 17-track blend of rage and digicore praised by critics.
Unnābha
Unnābha (उन्नाभ) was a brahmin contemporary of the Buddha who took refuge as a lay follower after dialogues with Ānanda and the Buddha, and was declared a non-returner.
Unnai Ninaithu (உன்னை நினைத்து)
Unnai Ninaithu (உன்னை நினைத்து) is a 2002 Tamil romantic drama directed by Vikraman, starring Suriya, Laila, and Sneha, released 10 May 2002 by Lakshmi Movie Makers with music by Sirpy; Sneha won a 2003 Filmfare Award.
Unnaipol Oruvan (உன்னைப் போல் ஒருவன்) (2009 film)
Unnaipol Oruvan (உன்னைப் போல் ஒருவன், "Someone Like You"), 2009 Tamil thriller, official remake of A Wednesday!, directed by Chakri Toleti, starring Kamal Haasan and Mohanlal, released 18 September 2009, distinct from Jayakanthan's 1965 film of the same title.
Unnale Unnale (உன்னாலே உன்னாலே)
Unnale Unnale (உன்னாலே உன்னாலே, Because of You) is a 2007 Tamil romantic musical film directed by Jeeva, starring Vinay Rai, Sadha, and Tanisha Mukherjee, with Harris Jayaraj's hit music; a box-office hit, Jeeva's last completed film, dubbed in Telugu as Neevalle Neevalle.
Unnamed point
Unnamed point: a summit with no official name, labeled in peak lists by elevation (Peak 2390, p. 6436) and grid coordinates; common in Andes catalogs, counted as independent peaks by prominence thresholds.
Unnayi Warrier
Unnayi Warrier (ഉണ്ണായി വാര്യർ) was a Malayalam and Sanskrit poet of 17th and 18th century Kerala, best known for the Nalacharitham, a verse play central to the Kathakali repertoire.
Unni Lehn
Unni Lehn (born 1977) is a Norwegian former midfielder, 134-cap women's international, who won Olympic gold at Sydney 2000, six league and six cup titles with Trondheims-Ørn, and the 2002 WUSA championship with Carolina Courage.
Unni Mukundan
Unni Mukundan (ഉണ്ണി മുകുന്ദൻ), born 1987, is an Indian actor-producer in Malayalam, Tamil, and Telugu cinema; debut Seedan (2011), hits Malikappuram and Marco (2024), runs Unni Mukundan Films.
Unni R.
Unni R. (ഉണ്ണി ആർ.) is the pen name of P. Jayachandran, an Indian writer born in 1971 in Kudamaloor, Kerala, who writes Malayalam short stories and film screenplays.
Unnidathil Ennai Koduthen (உன்னிடத்தில் என்னை கொடுத்தேன்)
Unnidathil Ennai Koduthen (உன்னிடத்தில் என்னை கொடுத்தேன்) is a 1998 Tamil drama directed by Vikraman, starring Karthik, Roja, and Ajith Kumar; it was Karthik's 100th film, ran over 250 days, and won Cinema Express and Tamil Nadu State awards.
Unno Shōmin
Unno Shōmin (海野勝珉, 1844–1915) was a Japanese metalwork artist of the Mito school, a professor at the Tokyo Fine Arts School and an Imperial Household Artist.