61,984 articles
Personalization
Personalization is the tailoring of content, offers, prices, or experiences to an individual user by a system, distinct from customization, where the user makes the change.
Personnel Armor System for Ground Troops
PASGT (Personnel Armor System for Ground Troops) was the US Army/Marine Corps Kevlar vest-and-helmet system, type-classified late 1970s, fielded 1983, used in Grenada, Panama, and the Gulf War, replaced by Interceptor body armor and the Lightweight Helmet.
Persons with reduced mobility legislation
Persons with reduced mobility (PRM) legislation is the body of law protecting disabled air travelers, guaranteeing nondiscriminatory treatment and free assistance, notably through EU Regulation 1107/2006 and the US Air Carrier Access Act.
Perspective API
Perspective API is a free toxicity-scoring web service created by Google's Jigsaw under the Conversation-AI initiative, launched in 2017, used by over 1,000 partners, and retiring after December 31, 2026.
Perspective-n-Point
Perspective-n-Point (PnP) is the computer vision problem of estimating a calibrated camera's position and orientation from correspondences between known 3D points and their 2D image projections.
Pertamina Geothermal Energy
Pertamina Geothermal Energy (PGE) is an Indonesian geothermal power company founded in 2006 as a subsidiary of state energy company Pertamina, listed on the Indonesia Stock Exchange in 2023.
Perth Airport
Perth Airport, also called Perth International Airport, is the main airport serving Perth, Western Australia, located at Guildford about 12 km east of the city.
Perturb and observe algorithm
The perturb and observe (P&O) algorithm, also called hill climbing, is the most commonly used maximum power point tracking method for photovoltaic arrays, adjusting voltage to maximize power.
Peru LNG Gas Pipeline
The Peru LNG gas pipeline is a 408-kilometer pipeline carrying Camisea gas from the Andean highlands to the Pampa Melchorita liquefaction plant on Peru's Pacific coast.
Peru LNG Terminal
The Peru LNG Terminal at Pampa Melchorita, Peru, loads liquefied natural gas from the Camisea fields onto tankers and is South America's first LNG export facility.
Pervaporation
Pervaporation is a membrane separation method in which a liquid mixture partially vaporizes through a selective membrane, used industrially to dehydrate solvents and break azeotropes.
Pervious concrete
Pervious concrete is concrete made with little or no fine aggregate, leaving connected voids that let water drain through, used mainly in low-traffic areas like parking lots.
Pesa
Pesa is a Polish manufacturer of rail vehicles headquartered in Bydgoszcz, the largest in Poland, tracing its origins to railway repair workshops opened there in 1851.
Peshkabir Oil Field
Peshkabir is an onshore oil field in the Kurdistan Region of Iraq, 18 kilometers west of the Tawke field, ramped to more than 50,000 barrels per day by 2018.
Pesquería power station
Pesquería power station (Central Eléctrica Pesquería) is a 900-megawatt combined-cycle gas-fired power plant in Pesquería, Nuevo León, Mexico, owned by Techgen and supplying Ternium and Tenaris facilities.
Pestsovoye gas field
Pestsovoye (Песцовое), also called the Pestsovaya area, is a gas and gas-condensate field in Western Siberia, Russia, part of the Urengoyskoye complex; discovered in 1974, it was commissioned in 2004.
PET bottle recycling
PET bottle recycling is the recovery and reprocessing of polyethylene terephthalate bottles, the plastic used for most soft drink and water bottles, into new products.
PET glycolysis
PET glycolysis to BHET is a chemical recycling process that breaks down waste PET with excess ethylene glycol into BHET, the monomer repolymerized into new PET.
PET upcycling
PET upcycling is the conversion of waste polyethylene terephthalate into products worth more than the original plastic, such as new polymers, vanillin from engineered E. coli, and metal-organic frameworks.
Petacalco power station
Petacalco power station, formally Central Termoeléctrica Presidente Plutarco Elías Calles, is Mexico's largest coal-fired power plant, a 2,778 MW CFE facility on the Balsas River in Guerrero opened in 1993.
Petahertz transistor
A petahertz transistor is an experimental switching device controlled by the oscillating electric field of light rather than a gate voltage, enabling switching within a single optical cycle, near 10^15 Hz.
PetaLinux
PetaLinux is an embedded Linux development tool suite from Xilinx, now maintained by AMD, that builds custom Linux systems for Zynq, Versal, and MicroBlaze platforms.
Petals
Petals is an open-source system for running and fine-tuning large language models collaboratively over the Internet, BitTorrent-style, created by researchers at Yandex Research, the University of Washington, and Hugging Face.
Petar V. Kokotovic
Petar V. Kokotovic is a control theorist, a National Academy of Engineering member and Professor Emeritus at UC Santa Barbara, known for singular perturbation methods and backstepping.
Petard
A petard was a small gunpowder charge used by military engineers from the mid-16th to 19th centuries to blow open gates, doors, and barricades during sieges.
Pete Conrad
Pete Conrad, born Charles Conrad Jr., was an American naval officer and NASA astronaut who commanded Apollo 12 in 1969 as the third person to walk on the Moon.
Pete Lau
Pete Lau, also known as Liu Zuohu, is a Chinese technology executive who co-founded OnePlus in December 2013 and has been its chief executive since, later becoming an OPPO product chief.
Peter and Paul Fortress
Peter and Paul Fortress (Петропавловская крепость), Peter the Great's 1703 citadel on Zayachy Island in Saint Petersburg; six-bastion star fort, site of the Romanov burial cathedral and the Trubetskoy Bastion political prison, now a history museum.
Peter B. Teets
Peter B. Teets (1942–2020) was an American aerospace executive who led Lockheed Martin and served as Under Secretary of the Air Force and NRO director.
Peter Beardmore
Peter Beardmore is a materials scientist who trained in England, directed the Ford Research Laboratory until 2000, and was elected to the National Academy of Engineering in 1992.