All articles starting with R
22,461 articles
reAlpha Tech Corp.
reAlpha Tech Corp. is an American real estate technology company headquartered in Dublin, Ohio, whose AI-assisted platform bundles realty, mortgage, and title services; it trades on Nasdaq as AIRE.
RealPlayer
RealPlayer, also known as RealOne, is a streaming media player introduced by RealNetworks in April 1995 for RealAudio, and dominant in web streaming through the late 1990s and early 2000s.
Realpolitik
Realpolitik, politics based on power and national interest rather than ideals, coined by liberal August Ludwig von Rochau in 1853, later tied to Bismarck and practiced by Nixon and Kissinger, distinct from IR realism and idealism.
RealSense (company)
RealSense (RealSense, Inc.) is an American computer vision company in Cupertino, California, that makes stereoscopic depth cameras for robots; it spun out of Intel in July 2025.
Realta Fusion
Realta Fusion is an American fusion startup spun out of the University of Wisconsin–Madison that develops compact magnetic mirror devices, aiming first at industrial process heat.
RealTech Holdings Inc.
RealTech Holdings Inc. is a Delaware corporation incorporated in 2013 and based in New York, known almost entirely through SEC Form D filings reporting $170 million raised across six offerings.
Realtek Semiconductor
Realtek Semiconductor (瑞昱半导体) is a Taiwanese IC design company founded in 1987 and headquartered in Hsinchu Science Park, known for Ethernet chips, PC audio codecs, and networking controllers.
Realterm Airport Logistics Properties
Realterm Airport Logistics Properties is an open-ended private equity real estate fund in Annapolis, Maryland, that invests in on-airport air cargo and aviation-support logistics real estate across North America.
Realtime Robotics
Realtime Robotics is a Boston, Massachusetts company founded in 2016 by Duke professors George Konidaris and Dan Sorin, known for RapidPlan, which generates collision-free robot motion plans in under a millisecond.
RealToxicityPrompts
RealToxicityPrompts is a benchmark dataset of roughly 100,000 English prompts, built in 2020 by University of Washington and Allen Institute for AI researchers to measure toxicity in language model continuations.
RealWear, Inc.
RealWear, Inc. is an American wearable technology company founded in 2016 and based in Vancouver, Washington, that makes rugged, voice-controlled head-mounted computers used by BMW, Ford, and Goodyear.
Reamer
A reamer is a multi-edged rotary cutting tool that takes a light cut inside an existing drilled hole to give it an accurate diameter and a smooth finish.
Reamer-irrigator-aspirator
The reamer-irrigator-aspirator (RIA) is a surgical system that reams the long-bone canal while irrigating and aspirating debris, lowering embolic load and collecting autologous bone graft.
Reamker
The Reamker, also known as Rāmakerti ("Glory of Rama"), is the Khmer-language version of the Indian epic the Ramayana and a foundational work of Cambodian literature.
Reamker murals of the Silver Pagoda
The Reamker murals of the Silver Pagoda are a painted frieze of Cambodia's Ramayana in Phnom Penh's Royal Palace, executed in 1903–1904 by about 40 Khmer artists.
Reanap
Reanap was an Egyptian commissioner of the mid-14th century BC, attested in the Amarna letters, who served as the pharaoh's representative among the vassal rulers of Egyptian-dominated Syria and Palestine.
Reanimal
Reanimal is a co-op horror adventure game by Tarsier Studios, spiritual successor to Little Nightmares, released February 13, 2026 by THQ Nordic on PS5, Xbox Series X|S, PC, and Switch 2, following siblings The Boy and The Girl rescuing friends on a nightmarish island.
Reanimation (ИIMATIOИ) (Linkin Park album)
Reanimation ([REAИIMATIOИ]) is Linkin Park's first remix album, released July 30, 2002 on Warner Bros. It reworks Hybrid Theory and its B-sides with hip-hop and rock guests, produced by Mike Shinoda, selling 1.2 million units by 2003.
Reann Gasper
Reann Gasper, British Columbia Conservative MLA for Abbotsford-Mission 2024–2026; won 13,523 votes (55.38%) over NDP incumbent Pam Alexis; resigned August 22, 2026 for Kerry-Lynne Findlay's by-election.
Reanne Evans
Reanne Evans (born 1985) is an English professional snooker player, record 12-time World Women's Snooker champion (2005-2014, 2016, 2019), 58 ranking titles, first woman to reach a ranking event's venue stages (2013), MBE 2020.
Reaper
Reaper, or mechanical reaper, a farm machine that cuts grain with a reciprocating cutter bar, replacing the sickle. Pioneered by Patrick Bell (1827-28), Obed Hussey (1833 patent), and Cyrus McCormick (1834); predecessor of the reaper-binder and combine harvester.
REAPER
REAPER (Rapid Environment for Audio Production, Engineering, and Recording) is a digital audio workstation developed by Cockos Incorporated of Rosendale, New York, for recording, editing, mixing, and mastering audio and MIDI.
Reaper (Overwatch)
Reaper (Gabriel Reyes) is a Damage flanker hero in Overwatch and Overwatch 2, wielding twin Hellfire Shotguns, Wraith Form, Shadow Step, and the Death Blossom ultimate with 30% lifesteal.
Reaper (TV series)
Reaper is an American supernatural comedy-drama on The CW (2007-2009, 31 episodes), created by Tara Butters and Michele Fazekas, in which slacker Sam Oliver, whose parents sold his soul, works as the Devil's bounty hunter; starring Bret Harrison, Tyler Labine, and Ray Wise.
Reappraisal task
The reappraisal task is an experimental paradigm in emotion research in which participants reinterpret negative pictures or film clips, with the drop in negative affect scoring their reappraisal ability.
Reappropriation
Reappropriation, also called linguistic reclamation, is the taking back of a pejorative epithet by the group it targets, as with 'queer', 'dyke', and the n-word. Studied in linguistics, philosophy of language, and social psychology as an identity-management strategy linked to collective action.
Rear admiral
Rear admiral: senior naval flag officer rank below vice admiral, NATO OF-7. In the US Navy it exists as two grades, rear admiral (lower half, O-7) and rear admiral (O-8), equivalent to brigadier and major general.
Rear admiral (United States)
Rear admiral (United States): Navy and Coast Guard flag rank in two grades, rear admiral lower half (RDML, O-7, one star) and upper half (RADM, O-8, two stars), equivalent to brigadier and major general.
Rear mid-engine, rear-wheel-drive layout
The rear mid-engine, rear-wheel-drive layout (RMR, often called mid-engine) places the engine behind the passenger compartment but ahead of the rear axle, favored in sports and racing cars.
Rear naked choke
Rear naked choke (RNC), also hadaka jime in judo and Mata Leão in Brazil, is a blood choke from back control compressing the carotid arteries; the most common UFC submission, with ancient Greek and Cambodian precedents.