All articles starting with R
22,461 articles
Revolver Ocelot
Revolver Ocelot (リボルバー・オセロット), born Adamska, is the recurring gunslinger antagonist of Konami's Metal Gear series, a FOXHOUND torture specialist and triple agent who becomes Liquid Ocelot, the primary antagonist of Metal Gear Solid 4.
Revolver Revue
Revolver Revue, a Czech quarterly cultural magazine covering literature, visual art, and criticism, was founded in Prague in 1985 as the samizdat review Jednou nohou by Ivan Lamper, Viktor Karlík, and Jáchym Topol.
Revolver Rita
Revolver Rita (ரிவால்வர் ரீட்டா), 2025 Tamil black comedy action film by JK Chandru starring Keerthy Suresh; released 28 November 2025, CBFC U/A 16+, ₹4.76 crore gross, streamed on Netflix from 26 December 2025.
Revolverheld
Revolverheld is a German pop-rock band from Hamburg, founded in 2002, that placed eight albums on the German chart and entered an indefinite break in 2026 after a 20th-anniversary tour.
Revolving Door (Tate McRae song)
Revolving door, a 2025 pop song by Canadian singer Tate McRae from her album So Close to What, written with Ryan Tedder, Grant Boutin, and Julia Michaels; fourth single, UK top-ten hit, and first of her two Billboard Hot Dance/Pop Songs number-ones.
Revolving restaurant
Revolving restaurant: rotating dining room on a turntable platform, first realized at Dortmund's Florianturm (1959), brought to the US by John Graham's La Ronde (1961); only the annular dining floor turns, about one rotation per hour.
Revue
Revue: a light theatrical entertainment of sketches, songs, and dances without a plot, satirizing current events. Originated in 19th-century France; flourished as Ziegfeld Follies, Scandals, and Vanities in America; declined with television.
Revue de métaphysique et de morale
Revue de métaphysique et de morale (RMM), French philosophy quarterly founded in Paris in 1893 by Xavier Léon, Élie Halévy, and Léon Brunschvicg; published by PUF under the Société française de philosophie, ISSN 0035-1571.
Revue des Deux Mondes
Revue des Deux Mondes is a French monthly review of literature and ideas, founded in 1829 and published in Paris, described as the oldest monthly review in Europe still publishing.
Revue Noire
Revue Noire was a Paris-based quarterly magazine devoted to contemporary African art and creation, published bilingually from 1991 to 1999, founded by Jean Loup Pivin and Simon Njami.
Revue philosophique de la France et de l'étranger
Revue philosophique de la France et de l'étranger: oldest French philosophy journal, founded 1876 by Théodule Ribot with Hippolyte Taine, published quarterly by PUF; introduced scientific psychology to France like Mind.
Revumenib
Revumenib (Revuforj, SNDX-5613) is the first-in-class oral menin inhibitor from Syndax, FDA-approved in 2024 for relapsed/refractory KMT2A-rearranged acute leukemia and in 2025 for NPM1-mutated AML.
Revusiran
Revusiran (ALN-TTRsc), Alnylam's GalNAc-conjugated siRNA for hereditary ATTR amyloidosis with cardiomyopathy; its phase 3 ENDEAVOUR trial was halted in 2016 over a mortality imbalance, and development was discontinued.
Revvity, Inc.
Revvity, Inc. is an American health sciences company headquartered in Waltham, Massachusetts, formed in 2023 from PerkinElmer's Life Sciences and Diagnostics business after its services arm was sold.
Revy (Black Lagoon)
Revy (レヴィ, Rebecca Lee) is the female protagonist of Rei Hiroe's manga Black Lagoon, a Chinese-American Lagoon Company gunman nicknamed Two Hands who wields twin Beretta 92F pistols named Sword Cutlass.
Rewa State
Rewa State (रीवा रियासत) was a princely state of the Baghela dynasty in Baghelkhand, in modern Madhya Pradesh, India, a British protected state from 1812 until 1947.
Rewa, Madhya Pradesh
Rewa, Madhya Pradesh: city and district headquarters on the Vindhya Plateau on the Tons River; former Baghel dynasty and Vindhya Pradesh capital, home of the Rewa Ultra Mega Solar park and white tigers.
ReWalk Robotics
ReWalk Robotics, now Lifeward Ltd., is a medical device company founded in Israel in 2001 whose FDA-cleared ReWalk exoskeleton enables people with spinal cord injury to stand and walk.
Reward Gateway
Reward Gateway, also known as Reward Gateway Edenred, is a British employee engagement software company founded in 2006 and headquartered in London, acquired by Edenred in 2023 for £1.15 billion.
Reward hacking
Reward hacking, also known as specification gaming, is a reinforcement learning failure in which an AI agent exploits flaws in its reward function and performs worse on the true goal.
Reward learning
Reward learning is a machine learning method that infers a reward function from human preferences, demonstrations, or ratings, and underlies RLHF fine-tuning of instruction-following language models like InstructGPT.
Reward model
A reward model is a learned function that scores candidate language model outputs according to human preferences, trained on pairwise comparisons and used as the optimization target in RLHF.
Reward model overoptimization (Gao et al.)
Reward model overoptimization is the drop in true task quality when a policy is optimized against a learned proxy reward model instead of the true objective.
Reward system
Reward system: brain circuitry (VTA, nucleus accumbens, ventral pallidum, prefrontal cortex) mediating wanting, liking, and learning. Dopamine encodes prediction errors and incentive salience, not pleasure itself; dysfunction links to addiction, depression, Parkinson's.
Reward tampering
Reward tampering is an AI agent's inappropriate interference with its own reward process, modifying its reward function or its inputs, treated as a dangerous form of reward hacking.
RewardBench
RewardBench is the first benchmark and leaderboard for reward models, the scoring models used in RLHF, built by the Allen Institute for AI in 2024.
Rewāri
Rewari (रेवाड़ी), city and district headquarters in southern Haryana, India, 82 km from Delhi; formed as a district on 1 November 1989, known for its 1873 railway junction, brass and revri trades, Hemu, the 1857 uprising under Rao Tula Ram, and the Dharuhera-Bawal auto industry.
Rewarming
Rewarming: restoration of core body temperature in hypothermia (below 35°C), by passive insulation, active external heat, warmed fluids or lavage, and extracorporeal methods such as CPB and ECMO.
REWE Group
REWE Group is a German retail and travel cooperative group headquartered in Cologne, founded in 1927, operating REWE supermarkets, PENNY discount stores, toom DIY stores, and DERTOUR travel agencies.
Rewi Maniapoto
Rewi Maniapoto was a Ngāti Maniapoto chief who led Māori King movement forces in the Waikato War of 1863–64, remembered for his defiance at Ōrākau.