61,984 articles
Paid area
A paid area is the part of a transit station, including trains under some rules, that only fare-paying passengers may enter, separated by ticket barriers or gates.
Paige (company)
Paige (Paige.AI, Inc.) is a New York digital pathology company founded in 2017; it created Paige Prostate, the first FDA-authorized AI pathology product, and was acquired by Tempus AI in 2025.
Paimio Sanatorium
Paimio Sanatorium (Paimion parantola) is a former tuberculosis sanatorium in Paimio, Southwest Finland, designed by Alvar and Aino Aalto, completed in 1933, and regarded as a landmark of functionalist architecture.
Paimpol-Bréhat tidal energy test site
The Paimpol-Bréhat tidal energy test site, launched by EDF in 2008, is a grid-connected facility off Brittany, France, for testing full-scale tidal turbines like OpenHydro and OceanQuest.
PaiNN
PaiNN, short for polarizable atom interaction neural network, is a graph neural network for molecules that extends message passing with equivariant vector features, proposed at ICML 2021 by Schütt, Unke, and Gastegger of TU Berlin.
Paint
Paint is a fluid or semi-fluid material applied as a thin film to protect or decorate surfaces, made of a binder, pigments, and an evaporating solvent or water carrier.
Paint 3D
Paint 3D, also known as Microsoft Paint 3D, was a free Microsoft app combining 2D drawing and beginner 3D modeling, released in 2017 and retired in 2024.
Painted ladies
Painted ladies are Victorian and Edwardian houses repainted in three or more colors, a term coined in San Francisco in 1978 and now used across the United States.
Painted line guidance
Painted line guidance is a navigation method in which a mobile robot or AGV steers by tracking a painted line on the floor, detected by onboard optical or camera sensors.
Painted median
A painted median, also called a flush median, is a traversable median defined by pavement markings rather than a raised surface, most often used for left-turn channelization.
Painter and decorator
A painter and decorator, also known as a house painter, is a construction tradesperson who applies paint, wallpaper, and finishes to buildings, ranging from homes and offices to bridges.
PaintShop Pro
PaintShop Pro, originally developed by Jasc Software and owned by Corel since October 2004, is a raster and vector image-editing program for Microsoft Windows sold as a one-time purchase.
PAIR (Prompt Automatic Iterative Refinement)
PAIR (Prompt Automatic Iterative Refinement) is an automated black-box jailbreak method, introduced in 2023, in which an attacker LLM iteratively rewrites prompts until a target LLM produces responses its safety training was meant to refuse.
Pair programming
Pair programming, also called collaborative programming, is a software development practice in which two programmers work at one workstation, with a driver typing and a navigator reviewing.
Paiton Power Station
Paiton Power Station is a coal-fired power generation complex in Probolinggo Regency, East Java, Indonesia. Its eight units supply about 60 percent of East Java's electricity.
Paiton-1 power station
Paiton-1 power station is a 1,230 MW coal-fired power plant at Paiton in East Java, Indonesia, whose two 615 MW units entered commercial operation in 1999, owned and operated by PT Paiton Energy.
Paiton-2 power station
Paiton-2, also called Paiton II, is a two-unit coal-fired power station at Paiton, Probolinggo, East Java, Indonesia, owned by PT Jawa Power and selling to PLN.
Paixhans gun
The Paixhans gun, or canon-obusier, was a French naval gun developed by Henri-Joseph Paixhans to fire explosive shells horizontally, ending the era of wooden warships.
Paju power station
Paju power station refers to two separate gas-fired power plants in Paju, South Korea: a 515 MW combined heat and power plant and a 1,800 MW LNG combined-cycle plant.
Paka Repowering
Paka Repowering is a project by Malaysia's utility Tenaga Nasional Berhad to build a 1,400 MW hydrogen-ready combined cycle gas turbine plant at Paka, Terengganu.
Pakistan Aeronautical Complex
Pakistan Aeronautical Complex (PAC) is Pakistan's state-owned aircraft manufacturer at Kamra, Attock District, near Islamabad, producing trainer aircraft and target drones and co-producing the JF-17 Thunder fighter with China's Chengdu Aircraft Corporation.
Pakistan Army Aviation Corps
The Pakistan Army Aviation Corps (PAA) is the air arm of the Pakistan Army, headquartered in Rawalpindi, operating attack and transport helicopters since independence in 1947.
Pakistan Atomic Energy Commission
The Pakistan Atomic Energy Commission (PAEC) is the national body responsible for atomic energy in Pakistan, owning and operating its nuclear power plants and research institutes.
Pakistan Engineering Council
The Pakistan Engineering Council (PEC) is the statutory body that regulates engineering in Pakistan, licensing engineers and accrediting engineering programs under the PEC Act 1976 from Islamabad.
Pakistan International Airlines (پاکستان انٹرنیشنل ایئر لائنز)
Pakistan International Airlines, commonly known as PIA, is the flag carrier of Pakistan, headquartered in Karachi. Founded in 1955, it flew Europe again in 2025 after safety bans and was privatized in 2026.
Pakistan International Airlines Flight 8303
Pakistan International Airlines Flight 8303 was a domestic flight from Lahore to Karachi that crashed on 22 May 2020, killing 97 of the 99 aboard.
Pakistan Ordnance Factories
Pakistan Ordnance Factories is Pakistan's state-owned arms and ammunition manufacturer at Wah Cantt, Punjab, established in 1951 and supplying the Pakistani Armed Forces and law enforcement.
Pakistan Petroleum
Pakistan Petroleum Limited (PPL) is a Pakistani oil and gas exploration company, incorporated in 1950, that operates the Sui gas field and supplies about 20 percent of Pakistan's natural gas.
Pakistan Post
Pakistan Post, officially the Pakistan Post Office Department, is the state postal operator of Pakistan, serving about 20 million households through roughly 13,000 post offices since independence in 1947.
Pakistan Railways (پاکستان ریلویز)
Pakistan Railways (پاکستان ریلویز) is the state-owned national railway of Pakistan, operating passenger and freight services under the federal Ministry of Railways; its first line opened in 1861.