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Runway incursion
A runway incursion is the incorrect presence of an aircraft, vehicle, or person on the protected area of a landing or takeoff surface, ranging from minor to severe incidents.
Runway Status Lights
Runway Status Lights (RWSL) are an automatic FAA airport safety system of red in-pavement lights signaling when it is unsafe to enter, cross, or take off from a runway.
Runway visual range
Runway visual range (RVR) is the horizontal distance a pilot can see down the runway from the approach end, measured by instruments and reported in hundreds of feet.
Runway–Lionsgate deal
The Runway–Lionsgate deal is a partnership announced in September 2024, under which Runway built a custom AI video model trained on Lionsgate's library of more than 20,000 titles.
Runyang Bridge
The Runyang Bridge (Runyang Yangtze River Highway Bridge) crosses the Yangtze River between Zhenjiang and Yangzhou in Jiangsu, China; opened in 2005, its 1,490 m suspension span was then China's longest.
Rupert L. Atkin
Rupert L. Atkin (1918–2014) was an American automotive engineer at Kelsey-Hayes and TRW, elected to the National Academy of Engineering in 1975 for power brakes, steering, and skid control work.
Rural telephone cooperatives that dissolved
Rural telephone cooperatives that dissolved were member-owned phone companies begun by farmers in the 1890s, ended by sale, court order, or absorption by larger carriers.
Rusal
Rusal (Russian: РУСАЛ), formally United Company RUSAL, is a Russian aluminum company founded in 2000, one of the largest producers outside China, sanctioned by the US Treasury in 2018.
Rush hour
Rush hour, also called the peak hour, is the part of the day when traffic demand on a road network is highest, typically during morning and evening commutes.
Rush Island power station
Rush Island power station, also called the Rush Island Energy Center, was a two-unit coal-fired power plant in Jefferson County, Missouri, owned by Ameren and retired in 2024.
Rush Lake Sparky Oil Pool
Rush Lake Sparky Oil Pool is an onshore heavy oil pool in west-central Saskatchewan near Lloydminster, discovered in 1971 and produced mainly by steam-assisted gravity drainage.
RusHydro
RusHydro (РусГидро) is Russia's state-controlled energy holding and largest hydropower producer, founded in 2004 and operating plants, grids, and retail supply across more than 30 regions.
Russell (locomotive)
Russell is a 2-6-2 side tank steam locomotive built by Hunslet of Leeds in 1906 for the Portmadoc, Beddgelert & South Snowdon Railway, preserved in North Wales.
Russell D. Dupuis
Russell D. Dupuis (born 1947) is an American materials scientist and electrical engineer who developed MOCVD, the process that manufactures most of the world's LEDs and laser diodes.
Russell D. Meller
Russell D. Meller is an American industrial engineer specializing in facility layout and distribution center design, elected to the National Academy of Engineering in 2020.
Russell H. Taylor
Russell H. Taylor is a computer scientist, the John C. Malone Professor at Johns Hopkins University, and a pioneer of medical robotics who created the Robodoc surgical system.
Russell J. Holmes
Russell J. Holmes is a chemical engineering and materials science professor at the University of Minnesota known for engineering energy transport in organic semiconductors for OLEDs and solar cells.
Russell L. Tedrake
Russell L. Tedrake is a roboticist and MIT professor who directs CSAIL's Center for Robotics, created the Drake toolbox, and leads robotics research at the Toyota Research Institute.
Russell R. O'Neill
Russell R. O'Neill, also known as Russell Richard O'Neill, was an American mechanical engineer and logistics researcher who served as dean of UCLA's engineering school from 1974 to 1983.
Russell Senate Office Building
The Russell Senate Office Building, also known as the Old Senate Office Building, is the oldest of the three US Senate office buildings, opened in Washington, D.C., in 1909.
Russell Taylor Johns
Russell Taylor Johns is an American petroleum engineer, professor at Penn State, elected to the National Academy of Engineering in 2025 for hydrocarbon recovery algorithms.
Russia and weapons of mass destruction
Russia holds the world's largest nuclear arsenal, about 5,420 warheads; its 2024 doctrine widened nuclear use conditions, and New START, which Russia suspended in 2023, expired in February 2026.
Russia–Ukraine gas disputes
The Russia–Ukraine gas disputes were conflicts over natural gas pricing, debt, and transit that repeatedly interrupted Russian supplies to Europe, most sharply in 2006, 2009, and 2014.
Russian Academy of Engineering
The Russian Academy of Engineering is a Russian public association of engineers and researchers, founded in 1991 as successor to the Engineering Academy of the USSR.
Russian Aerospace Forces
The Russian Aerospace Forces (VKS, Russian: Воздушно-космические силы) are the air and space branch of Russia's armed forces, formed in 2015 by merging the Air Force with the Aerospace Defense Forces.
Russian aircraft carrier Admiral Kuznetsov
The Admiral Kuznetsov is the sole aircraft carrier of the Russian Navy, the largest warship built in a Soviet shipyard, first used in combat off Syria in 2016, and out of service since 2017.
Russian battlecruiser Pyotr Velikiy (Пётр Великий)
Pyotr Velikiy (Пётр Великий), laid down as Yuriy Andropov, is the last of four Russian nuclear-powered Kirov-class heavy missile cruisers and flagship of the Northern Fleet since 1998 or 1999.
Russian battleship Potemkin
The Russian battleship Potemkin, formally Knyaz Potyomkin Tavricheskiy, was a battleship of the Imperial Russian Black Sea Fleet known for its crew's mutiny in June 1905.
Russian cruiser Aurora
Aurora (Аврора), or Cruiser Aurora, is a protected cruiser of the Imperial Russian Navy preserved as a museum ship in Saint Petersburg, famed for her role in the 1917 October Revolution.
Russian cruiser Moskva
The Russian cruiser Moskva, a Slava class guided missile cruiser, served as the Black Sea Fleet flagship until it was sunk by Ukrainian missiles in April 2022.