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Rapidly exploring random tree
The rapidly exploring random tree (RRT) is a sampling-based motion planning algorithm that grows a tree of feasible configurations toward random samples to find paths.
Rapidly-exploring random graph
The rapidly-exploring random graph (RRG) is a sampling-based motion planning algorithm introduced by Sertac Karaman and Emilio Frazzoli at MIT in 2010, whose best path converges to the optimal path as samples grow.
RapidMiner
RapidMiner is a data science and machine learning software platform, begun as the open-source tool YALE, in which users build analyses as visual workflows of operators without writing code.
Rapido (company)
Rapido, legally Roppen Transportation Services, is an Indian ride-hailing platform founded in Bengaluru in 2015 that provides bike taxi, auto rickshaw, and cab services in more than 100 cities.
RapidSOS
RapidSOS is an American emergency-response technology company that sends location, health, and vehicle data from connected devices to 911 centers and responders. It was founded in 2012.
Rapier
A rapier, or espada ropera, is a long, slender one-handed sword with an elaborate guard, worn with civilian dress in Europe from the early 1500s for thrusting in duels.
Rapiscan Systems
Rapiscan Systems is an American security screening company, a subsidiary of OSI Systems, that makes X-ray, CT, and metal detection systems for inspecting baggage, cargo, and people.
Rapsodie
Rapsodie was France's first experimental sodium-cooled fast neutron reactor, built at the CEA's Cadarache center and operated from 1967 to 1983 to test fuels for Phénix and Superphénix.
Raptor Lake
Raptor Lake, also known as Intel Raptor Lake, is Intel's thirteenth-generation Core processor family, an enhanced Alder Lake refresh that was the first to exceed 6 GHz.
Rapyuta Robotics
Rapyuta Robotics is a warehouse automation company spun out of ETH Zurich's RoboEarth project, building pick-assist robots and a cloud platform, operating in Japan, India, and the United States.
RAR (file format)
RAR, or Roshal Archive, is a proprietary archive file format named after creator Eugene Roshal; its native program is WinRAR, and version RAR5 came out in April 2013.
Rare-earth-free magnesium alloys
Rare-earth-free magnesium alloys are lightweight magnesium alloys that substitute inexpensive aluminum, zinc, and calcium for scarce rare earth metals, reaching yield strengths of 300 to 400 MPa.
Ras Abu Fontas power plant
The Ras Abu Fontas power plant is a gas-fired power and water desalination complex on Qatar's coast about 15 km south-east of central Doha, generating electricity since 1977.
Ras Al-Khair Power and Desalination Plant
The Ras Al-Khair Power and Desalination Plant is a large hybrid power and water complex on Saudi Arabia's Gulf coast that supplies desalinated water to Riyadh.
Ras Al-Khair power plant
The Ras Al-Khair power plant is a 2,400 MW power and water plant at Ras Al-Khair, Saudi Arabia, inaugurated in 2014 to supply the Ma'aden complex and the national grid.
Ras Djinet power plant
Ras Djinet power plant, also called Cap Djinet, is a gas-fired power station on Algeria's Mediterranean coast near Boumerdès, supplying electricity to the grid since 1986.
Ras Fanar oil field
Ras Fanar is an offshore oil field in the Gulf of Suez, Egypt, about 3.5 km east of Ras Gharib, producing from the Nullipore carbonate reservoir since 1984.
Ras Ghareb wind farm
The Ras Ghareb wind farm is a 262.5 MW onshore wind farm near Ras Ghareb on Egypt's Gulf of Suez coast, Egypt's first privately financed wind farm, commissioned in 2019.
Ras Laffan
Ras Laffan, formally Ras Laffan Industrial City, is Qatar's coastal industrial city about 80 kilometers north of Doha, processing North Field gas and hosting the world's largest LNG export facility.
Ras Laffan B power plant
Ras Laffan B (محطة رأس لفان "ب") is a 1,025 MW gas-fired power and desalination plant in Ras Laffan, Qatar, owned by Qatar Power and opened in 2008.
Ras Laffan C power plant
Ras Laffan C, also called Ras Girtas, is a power and desalination plant in Ras Laffan, Qatar, supplying about 30 percent of the country's electricity.
Ras Tanura Refinery
The Ras Tanura Refinery is a 550,000-barrel-per-day crude oil refinery on Saudi Arabia's Persian Gulf coast, owned and operated by Saudi Aramco and the largest refinery in Saudi Arabia.
Rasa
Rasa is a conversational AI company founded in Berlin in 2016 by Alex Weidauer and Alan Nichol, providing open-source and commercial tools for building AI assistants and agents.
Rasa (software)
Rasa is an open-source, self-hostable platform for building conversational AI assistants and agents, released as Python libraries in 2016 and now built around its CALM dialogue system.
RasGas Alpha Oil and Gas Field
RasGas Alpha (RasGas Alfa) is an offshore natural gas complex in Qatar's North Field, commissioned in 1999, producing 1.2 billion cubic feet of gas per day for LNG export.
Rashid (lunar rover)
Rashid was a 10 kg lunar rover built by the Mohammed Bin Rashid Space Centre in Dubai, the first Arab-built lunar rover, lost in the 2023 HAKUTO-R lander crash.
Rashid Bashir
Rashid Bashir is a bioengineer working in BioMEMS, biosensors, and bionanotechnology, and the 15th dean of the Grainger College of Engineering at the University of Illinois Urbana-Champaign since 2018.
Rashid Minhas
Rashid Minhas, known as Rashid Minhas Shaheed, was a Pakistan Air Force pilot officer honored posthumously with the Nishan-e-Haider for crashing his hijacked jet in 1971.
Rashid-2
Rashid-2, also written Rashid Rover 2, is the UAE's second lunar rover, built by MBRSC to fly to the Moon's far side on Firefly's Blue Ghost lander.
Rashmika Mandanna deepfake
The Rashmika Mandanna deepfake was a viral AI face-swap video from early November 2023 that made celebrity deepfakes a national policy issue in India, prompting government advisories and an arrest.