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Presta valve
The Presta valve, also called the Sclaverand or French valve after its inventor Étienne Sclaverand, is a narrow bicycle tire valve standard on road bikes and most tubeless systems.
Prestel
Prestel was a British viewdata service developed by the Post Office and launched in 1979, the world's first public viewdata network, serving about 90,000 subscribers before its 1994 sale.
Prestige (ransomware)
Prestige is a ransomware strain first deployed on October 11, 2022, against transportation and logistics organizations in Ukraine and Poland, attributed to Russia's Sandworm group.
Prestige Kingfisher Towers
Prestige Kingfisher Towers, also called Kingfisher Towers, is an ultra-luxury three-tower residential development on Vittal Mallya Road, Ashok Nagar, Bengaluru, built by Prestige Group with United Breweries on Mallya's ancestral land, with 81 full-floor 8,321 sq ft apartments and the unoccupied, seized Sky Mansion penthouse.
Preston A. Henne
Preston A. Henne is an American aeronautical engineer who spent 44 years at McDonnell Douglas and Gulfstream, leading six business jets to certification and winning three Collier Trophies.
Preston Tucker
Preston Thomas Tucker (1903–1956) was an American automobile entrepreneur who founded the Tucker Corporation in Chicago and built the innovative Tucker 48; he was acquitted of fraud in 1950.
Prestressed concrete
Prestressed concrete, also known as concrete prestressing, is concrete in which tensioned steel strands introduce permanent compression, preventing the cracking that concrete's weakness in tension would otherwise cause.
Prestwick Centre
Prestwick Centre is a NATS air traffic control center in Prestwick, Ayrshire, Scotland, fully operational since January 2010 and one of two centers managing UK upper airspace.
Pretext task
A pretext task, also called a surrogate or proxy task, is an artificial training task solved not for its own sake but to learn representations that transfer to downstream tasks.
Prettier
Prettier is an opinionated code formatter for the web ecosystem that parses code and reprints it in a consistent style, supporting JavaScript, TypeScript, CSS, HTML, and more.
Pretty Good Privacy
Pretty Good Privacy (PGP), also known as PGP encryption, is a program created by Phil Zimmermann in 1991 to protect email privacy, one of the first popular public-key cryptography implementations.
Prevas
Prevas AB is a Swedish technology consulting and engineering company, founded in 1985 and headquartered in Västerås, that develops products and production environments for industrial customers across the Nordics.
Preview control of ZMP
Preview control of the zero-moment point (ZMP) is a biped robot walking pattern generation method introduced by Shuuji Kajita and colleagues at AIST in 2003.
Prevost X-Series
The Prevost X-Series is a family of 45-foot intercity motorcoaches built by Prevost Car of Sainte-Claire, Quebec, a Volvo Group subsidiary, with the principal X3-45 model launched in 2006.
Prezi
Prezi is a cloud-based presentation software built on a zooming user interface, launched in Budapest, Hungary, in 2009 and now headquartered in San Francisco, claiming over 170 million users.
Price look-up code
A price look-up code, also known as a PLU code or produce code, is a four- or five-digit number on stickers identifying fresh produce at retail checkout, used since 1990.
Price of anarchy
The price of anarchy (PoA) is a game theory measure of how much a system's efficiency degrades when participants act selfishly, the worst Nash equilibrium's cost divided by the optimum's.
Price of oil
The price of oil is the market price of crude oil, quoted in U.S. dollars per barrel and tracked through benchmarks such as Brent, WTI, and Dubai/Oman.
Price-Anderson Act
The Price-Anderson Act, a United States federal law enacted in 1957, governs liability for nuclear accidents, requiring private insurance backed by an industry-funded secondary layer of about $16.1 billion.
Priceline.com
Priceline.com, also known as Priceline.com Inc, is an American online travel agency founded by Jay Walker in 1997 and known for its Name Your Own Price bidding model.
Prichal
Prichal (Причал), Russian for "pier," is a spherical docking node module of the Russian segment of the International Space Station, launched and docked in November 2021.
Priest Rapids Dam
Priest Rapids Dam is a run-of-the-river hydroelectric dam on the Columbia River in central Washington, owned by Grant County PUD No. 2 and completed in 1961.
Prim's algorithm
Prim's algorithm, also known as the Jarník algorithm, is a greedy algorithm that computes a minimum spanning tree by growing a tree from a starting vertex.
Primary frequency response
Primary frequency response is the rapid, automatic action of grid generators to arrest and stabilize frequency deviations within seconds, until secondary control restores normal frequency.
Primary life support system
The primary life support system, or Portable Life Support System, is the spacesuit backpack that supplies oxygen, removes carbon dioxide, and cools astronauts during spacewalks.
Primary Rate Interface
The Primary Rate Interface (PRI) is an ISDN interface for businesses, providing 23 or 30 voice channels plus a signaling channel over a T1 or E1 line.
Primary surveillance radar
Primary surveillance radar (PSR) is an air traffic control sensor that detects aircraft by reflected radio pulses without any onboard equipment, providing range and azimuth but no altitude or identification.
Primary treatment (sewage)
Primary treatment is the first stage of sewage treatment, a physical, non-biological process in tanks that removes floating and settleable solids after screening and grit removal.
Primary user emulation attack
A primary user emulation attack (PUEA) is a physical-layer attack on cognitive radio networks in which a transmitter mimics a licensed primary user's signal to fool spectrum sensing.
Primavera (software)
Primavera, also known as Oracle Primavera, is a family of project scheduling and portfolio management software, best known for Oracle Primavera P6, acquired by Oracle in 2008.