All articles starting with M
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Motional Stark effect
The motional Stark effect is a spectro-polarimetric diagnostic that measures the magnetic field pitch angle inside tokamak plasmas from light emitted by fast neutral beam atoms moving through the field.
Motiongate Dubai
Motiongate Dubai is a Hollywood-inspired theme park at Dubai Parks and Resorts in Jebel Ali, Dubai, opened in 2016 with 27 rides based on Columbia Pictures, DreamWorks, and Lionsgate films.
Motionless in White
Motionless in White (MIW), American gothic metalcore band from Scranton, Pennsylvania, formed 2004-2005 and led by Chris Motionless Cerulli; albums Creatures, Reincarnate (#9 Billboard 200), and Decades (2026).
Motiram Bhatta
Motiram Bhatta (मोतीराम भट्ट; 1866–1896) was a Nepali poet, playwright, and publisher known as Yuva Kavi who pioneered the Middle Period of Nepali literature and wrote the first Nepali biography.
Motithang Takin Preserve
Motithang Takin Preserve, also called Royal Takin Preserve, is a fenced wildlife enclosure in Motithang, Thimphu, Bhutan, holding the national animal, the Bhutan takin (Budorcas taxicolor whitei). It began as a mini-zoo closed by the Fourth King; the habituated takin stayed, and a semi-natural preserve was created.
Motiullah
Motiullah Khan (1938-2022), Pakistani field hockey left winger from Bahawalpur; Olympic silver 1956, gold 1960, silver 1964, Asian Games gold 1958 and 1962, 68 caps, 13 goals, Tamgha-i-Imtiaz 1963.
Motivair
Motivair Corporation, now Motivair by Schneider Electric, is an American manufacturer of liquid cooling equipment for data centers and AI, headquartered in Lancaster, New York since 1988.
Motivation
Motivation, from Latin movere (to move), is the psychological process that instigates and sustains goal-directed behavior. Central theories: expectancy-value, self-determination, social cognitive, achievement goal, and attribution theory.
Motivation (Carly Rae Jepsen song)
"Motivation" (Carly Rae Jepsen song), from her album Day and Night "night" side, is a house-inspired dance-pop single released August 21, 2026 about families, written with spouse Cole M.G.N. and produced with Kyle Shearer.
Motivation-enhancing drug
Motivation-enhancing drug: agents aimed at apathy and motivation deficits, chiefly methylphenidate and dopaminergic drugs targeting incentive salience; no treatment is yet licensed for apathy.
Motivational Enhancement Therapy
Motivational Enhancement Therapy (MET) is a brief, four-session psychotherapy for substance use disorders that uses motivational interviewing and personalized assessment feedback, developed for Project MATCH.
Motivational interviewing
Motivational interviewing (MI) is a client-centered counseling style, first described by William Miller in 1983 and codified with Stephen Rollnick, that resolves ambivalence to change behavior; Cochrane evidence shows short-term benefit versus no intervention but little difference versus active treatments.
Motivational speaker
Motivational speaker: a professional who gives speeches to make audiences more enthusiastic and determined; related to the self-help tradition of Smiles, Coue, Hill, and Carnegie; US market $2.1 billion in 2022; fees $5,000-$75,000; grounded in self-efficacy research.
Motive (algebraic geometry)
In algebraic geometry, a motive is a conjectural elementary building block of algebraic varieties, proposed by Alexander Grothendieck in 1964 so that all cohomology theories factor through the category of motives.
Motive (TV series)
Motive is a Canadian CTV police procedural (2013–2016, 4 seasons, 52 episodes) starring Kristin Lehman as Vancouver detective Angie Flynn; a whydunit revealing killer and victim at each episode's start.
Motive for Murder (film)
M4M: Motive for Murder is a 2026 Telugu crime thriller directed by Mohan Vadlapatla, starring Jo Sharma and Sambeet Acharya, about a Hyderabad serial killer staging murders as famous paintings; released 8 May 2026.
Motive power depot
A motive power depot, also known as a traction maintenance depot or engine shed, is a railway facility where locomotives and trains are serviced, maintained, and stabled.
Motives for the September 11 attacks
Motives for the September 11 attacks: al Qaeda's declared grievances (US troops in Saudi Arabia, Iraq sanctions, Israel), religious defensive-jihad framing, far-enemy strategy, and oil-factor and state-support debates.
Motivic cohomology
Motivic cohomology is a cohomology theory for algebraic varieties, with bidegrees H^{p,q}, recovering Chow groups, the Picard group, and Milnor K-theory; Voevodsky realized it in the late 1990s.
Motivos de Proteo
Motivos de Proteo is a 1909 book by the Uruguayan essayist José Enrique Rodó, first published in Montevideo, on the formation and continual transformation of the individual personality.
Motivos de son
Motivos de son is a 1930 collection of eight poems by Cuban poet Nicolás Guillén, regarded as the founding work of Afro-Cuban poetry in Spanish.
Motixafortide
Motixafortide (Aphexda, BL-8040) is a long-acting cyclic-peptide CXCR4 antagonist approved in 2023 with filgrastim for stem cell mobilization in multiple myeloma; real-world data show no superiority over plerixafor.
Motl, Peysi the Cantor's Son
Motl, Peysi the Cantor's Son (Yiddish: Motl peysi dem khazns) is an unfinished Yiddish novel by Sholem Aleichem, written 1907 to 1916, following a nine-year-old boy from a Jewish shtetl to New York.
Mötley Crüe
Mötley Crüe, American glam metal band formed in Hollywood in 1981 by Nikki Sixx and Tommy Lee with Mick Mars and Vince Neil; over 100 million albums sold, known for Shout at the Devil, Dr. Feelgood, The Dirt, and the 2026 Carnival of Sins tour.
Mötley Crüe (album)
Mötley Crüe (1994) is the band's sixth studio album, self-titled on Elektra, produced by Bob Rock, the only album with singer John Corabi instead of Vince Neil; it peaked at No. 7 in the U.S., went gold, and sold about 500,000 copies.
Moto G (1st generation)
The Moto G (1st generation) is a budget Android smartphone from Motorola Mobility, launched on November 13, 2013 at $179 unlocked and contract-free, which became Motorola's best-selling smartphone.
Moto Guzzi
Moto Guzzi is an Italian motorcycle manufacturer founded in 1921 at Mandello del Lario on Lake Como, the oldest European maker still in production, known for its winged eagle emblem and shaft-driven transverse V-twin engines.
Motocross
Motocross: off-road motorcycle racing on outdoor terrain circuits with hills, jumps, and tight turns; began as British 'scrambles' in the 1920s; FIM-governed, with the MXGP world championship since 1957 and the Motocross of Nations since 1947.
Motocross circuits and venues
Motocross circuits and venues are closed dirt courses, 1.5 to 2 km long under FIM rules, hosting races at tracks such as Lommel, Valkenswaard, and Ernée.
Motocross des Nations
The Motocross des Nations, also called the FIM Motocross of Nations, is the FIM's annual national-team motocross competition, first held in 1947 near The Hague, where Great Britain won.