61,984 articles
PP-19 Bizon (Пистолет-пулемёт Бизон)
The PP-19 Bizon, or Bizon submachine gun, is a Russian submachine gun developed at the Izhmash factory in the early 1990s, distinguished by a 64-round underbarrel helical magazine.
PP-19-01 Vityaz
The PP-19-01 Vityaz (ПП-19-01 «Витязь", Russian for "knight") is a Russian 9×19mm submachine gun developed by Izhmash in 2004 and entered in service in 2008.
PPD-40
The PPD-40 (Pistolet-Pulemyot Degtyaryova), a Soviet submachine gun designed by Vasily Degtyaryov, was the first adopted by the USSR on a large scale, feeding from a 71-round drum magazine.
PPG Industries
PPG Industries, formerly the Pittsburgh Plate Glass Company, is an American multinational manufacturer of paints, coatings, and specialty products, founded in 1883 and headquartered in Pittsburgh, Pennsylvania.
PPL Corporation
PPL Corporation, originally Pennsylvania Power & Light, is an Allentown, Pennsylvania energy holding company formed in 1920 that delivers electricity in four states and gas in two.
PPS submachine gun
The PPS (Russian for Sudayev's submachine gun), also known as the PPS-42 and PPS-43, is a Soviet submachine gun designed by Alexei Sudayev during the German invasion, adopted in 1942 and 1943.
PPSh-41
The PPSh-41 is a Soviet submachine gun designed by Georgy Shpagin and adopted in 1940; 5.4 million were built, making it World War II's most mass-produced submachine gun.
PR Newswire
PR Newswire is a press release distribution service founded in New York in 1954 by Herbert Muschel, owned by Cision since its 2016 acquisition, serving journalists, newsrooms, and financial terminals.
PR2 (robot)
The PR2, short for Personal Robot 2, is a mobile manipulation research robot built by Willow Garage in Menlo Park, California, and released in 2010.
Prabha S. Kundur
Prabha Shankar Kundur (1939–2018) was a Canadian electrical engineer known for work on power system stability, author of the standard textbook Power System Stability and Control.
Prabhakar Raghavan
Prabhakar Raghavan is Google's Chief Technologist, a computer scientist known for randomized algorithms, web search, and data mining, and co-author of the graduate texts Randomized Algorithms and Introduction to Information Retrieval.
Prabumulih Oil and Gas Field
The Prabumulih oil and gas field is a producing hydrocarbon field complex in and around Prabumulih, South Sumatra, Indonesia, with a stated capacity of 15,000 BOPD of oil and 200 MMSCFD of gas.
PRACE
PRACE (Partnership for Advanced Computing in Europe) is a Brussels-based nonprofit association that allocated access to top-tier European supercomputers via peer review from 2010 to 2022.
Practical Byzantine Fault Tolerance
Practical Byzantine Fault Tolerance (PBFT) is a state machine replication algorithm published by Miguel Castro and Barbara Liskov of MIT in 1999, tolerating arbitrary, even malicious, replica faults.
Practical Law
Practical Law is an online legal know-how service offering practice notes, standard documents, templates, and checklists written by lawyer editors. Begun in London, it was acquired by Thomson Reuters in 2013.
Pradhan Mantri Gram Sadak Yojana (प्रधानमंत्री ग्राम सड़क योजना)
Pradhan Mantri Gram Sadak Yojana (प्रधानमंत्री ग्राम सड़क योजना), also called Gram Sadak Yojana or PMGSY, is India's rural roads program, launched in 2000 to connect unconnected rural habitations with all-weather roads.
Pradhan Mantri Surya Ghar Muft Bijli Yojana
Pradhan Mantri Surya Ghar Muft Bijli Yojana is India's rooftop solar subsidy scheme, launched in February 2024 to give households up to 300 free electricity units monthly.
Pradhan Mantri Ujjwala Yojana (प्रधानमंत्री उज्ज्वला योजना)
Pradhan Mantri Ujjwala Yojana, also known as Ujjwala Yojana, is an Indian government scheme launched in May 2016 that gives deposit-free LPG connections to poor households' women.
Pradman P. Kaul
Pradman P. Kaul was an Indian-American satellite communications executive who led Hughes Network Systems as CEO from 2000 to 2022 and helped create the first commercial VSAT.
Prado Dam
Prado Dam is a flood control dam on the Santa Ana River in Riverside County, California, built by the U.S. Army Corps of Engineers and completed in 1941.
Pragma once
#pragma once is a non-standard C and C++ preprocessor directive, widely supported by compilers, that includes a header's contents only once as an alternative to include guards.
Pragmatik Labs (语用（上海）科技有限公司)
Pragmatik Labs (语用科技) is a Shanghai artificial intelligence startup founded in 2026 by Lin Junyang, Alibaba's former Qwen technical lead, to develop AI agents spanning digital and physical worlds.
Prague astronomical clock
The Prague astronomical clock, or Prague Orloj, is a medieval astronomical clock on the Old Town Hall tower in Prague's Old Town Square, installed in 1410 and still running its original mechanism.
Prague water-supply aqueducts
Prague's water-supply aqueducts are the conveyance lines built to bring drinking water to Prague, chiefly the 23 km Káraný pressure pipeline, officially opened in 1914.
Pragyan (rover)
Pragyan, Sanskrit for "wisdom," is a 26 kg, six-wheeled, solar-powered lunar rover built by ISRO and carried to the Moon's south polar region by Chandrayaan-3 in 2023.
Prai (TNB) power station
Prai (TNB) power station is a 1,071 MW combined-cycle gas turbine plant in Prai, Penang, Malaysia, owned by Tenaga Nasional Berhad and fully commissioned in 2016.
Prairial (tanker)
Prairial was a French ultra large crude carrier completed in December 1979 at Saint-Nazaire, the last of the four Batillus-class tankers and among the largest ships ever built.
Prairie Island nuclear power plant
The Prairie Island nuclear power plant is a two-unit nuclear station in Welch, Minnesota, on the Mississippi River, owned by Xcel Energy and operating since 1973.
Prairie School
The Prairie School was an architectural movement centered in Chicago and the Midwest from about 1900, known for horizontal, open-plan houses, most famously Frank Lloyd Wright's Robie House.
Prairie State Energy Campus
Prairie State Energy Campus is a 1,600-megawatt coal-fired power plant and adjacent underground coal mine in Washington County, Illinois, completed in 2012 at a cost of roughly $5 billion.