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OBS Studio
OBS Studio, also known as Open Broadcaster Software, is a free, open-source program for recording and streaming video, developed by the nonprofit OBS Project since 2012 and used by tens of millions.
Observation car
An observation car is a passenger railcar placed at the rear of a train so occupants can watch the track recede, first entering standard service in 1888.
Observations and explorations of Venus
Observations and explorations of Venus, also called the exploration of Venus, include over 40 spacecraft missions launched since 1961 that revealed a volcanic surface beneath permanent clouds.
Observer design
Observer design is the construction of a state observer, a dynamical system that estimates a plant's internal states from measured inputs and outputs, introduced by David G. Luenberger in 1964.
Observer pattern
The observer pattern is a software design pattern in which a subject maintains a list of observers and notifies them automatically when its state changes.
Obsidian Entertainment
Obsidian Entertainment is an American video game developer in Irvine, California, founded in 2003 by former Black Isle Studios staff and known for Fallout: New Vegas and Pillars of Eternity.
Obsolescence
Obsolescence is the state of a product, part, device, or software when it is no longer maintained or required by the user, even if it still works.
Obstacle avoidance
Obstacle avoidance is a mobile robot's ability, seen most in robotic vacuums, to detect small objects like cables and pet waste and steer around them before contact.
Obstacle-aided locomotion
Obstacle-aided locomotion is a snake robot propulsion strategy in which external objects such as walls, rocks, and rubble serve as push-points for forward motion, a term introduced by Transeth and colleagues.
OC Transpo
OC Transpo, formally the Ottawa-Carleton Regional Transit Commission since 1973, is the public transit agency of Ottawa, Ontario, operating buses, the O-Train light rail, and Para Transpo service.
OCaml
OCaml, formerly Objective Caml, is a statically typed ML-family programming language created in 1996 at INRIA in France, combining functional, imperative, and object-oriented programming with automatic type inference.
Occam (programming language)
Occam is a concurrent programming language designed by David May at INMOS for the transputer, based on Hoare's CSP, in which processes communicate over synchronized one-way channels.
Occipital Structure Sensor
The Occipital Structure Sensor is a structured-light depth sensor made by Occipital of Boulder, Colorado, launched on Kickstarter in 2013 as the first mobile 3D sensor.
Occupancy grid mapping
Occupancy grid mapping is a robot perception method that divides space into cells, each holding a probability of being occupied, free, or unknown, formalized by Alberto Elfes in 1989.
Occupancy sensing (building automation)
Occupancy sensing in building automation is the detection of the presence, number, or location of people in a building, used to automatically control lighting, heating, ventilation, and air conditioning.
Occupancy sensor
An occupancy sensor detects people in a space and automatically controls lighting or HVAC, most often via passive infrared or ultrasonic technology, saving 10% to 90% of lighting energy.
Ocean class
The Ocean class was a class of sixty British-design cargo ships built in the United States in 1941 and 1942, and the forerunner of the Liberty ship.
Ocean liner
An ocean liner, also called a transatlantic liner, is a passenger ship built to carry people, mail, and cargo across oceans on fixed, published timetables, unlike cruise ships.
Ocean Network Express
Ocean Network Express (ONE) is a Singapore-headquartered container shipping company formed by "K" Line, Mitsui O.S.K. Lines, and Nippon Yusen Kaisha, with services starting in April 2018.
Ocean Power Technologies
Ocean Power Technologies is an American maritime technology company founded in New Jersey in 1984, building wave-energy buoys, autonomous surface vessels, and command-and-control software for defense and ocean research.
Ocean Ranger
The Ocean Ranger was a semi-submersible offshore drilling rig owned by ODECO that capsized and sank off Newfoundland on February 15, 1982, killing all 84 aboard.
Ocean Renewable Power Company
Ocean Renewable Power Company is a Maine company, founded in 2004, whose tidal turbines in Cobscook Bay delivered grid power in 2012, described as a North American first.
Ocean Spray (cooperative)
Ocean Spray is an American agricultural cooperative of cranberry growers, founded in 1930 and headquartered in Lakeville-Middleborough, Massachusetts, known for juices, sauces, and Craisins dried cranberries.
Ocean thermal energy conversion
Ocean thermal energy conversion (OTEC) is a renewable energy technology that generates electricity from the temperature difference between warm surface and cold deep ocean water.
Ocean Winds
Ocean Winds is an international offshore wind company created in 2019 as a 50-50 joint venture between EDP Renewables and ENGIE, headquartered in Madrid and active worldwide.
Oceaneering Magnum
The Oceaneering Magnum is a family of heavy work class remotely operated vehicles built by Oceaneering International in 1993 for deepwater oil and gas drilling, construction, and intervention.
OceanGate
OceanGate was an American company founded in 2009 by Stockton Rush and Guillermo Söhnlein that operated submersibles for tourism and exploration, including dives to the Titanic wreck.
Oceanic control area
An oceanic control area (OCA) is controlled airspace over the open ocean where controllers separate aircraft by managing planned flight trajectories, since radar coverage is unreliable.
OceanofPDF
OceanofPDF is an ebook piracy website offering thousands of copyrighted books as free downloads; shut down in August 2018 after an author campaign, it keeps resurfacing.
Oceansat
Oceansat is a series of Indian Earth-observation satellites dedicated to ocean applications, developed and operated by ISRO, comprising Oceansat-1, launched in 1999, Oceansat-2, and Oceansat-3, also known as EOS-06.