61,984 articles
Purolite
Purolite is an American manufacturer of ion exchange resins, catalysts, and synthetic adsorbents, founded in Philadelphia in 1981, headquartered in King of Prussia, Pennsylvania, and acquired by Ecolab in 2021 for about $3.7 billion.
Purpe-Samotlor Oil Pipeline
The Purpe-Samotlor oil pipeline (нефтепровод «Пурпе — Самотлор») is a 429-km trunk crude oil pipeline in western Siberia, Russia, built for Transneft and commissioned in October 2011.
Purple Line (Namma Metro)
Purple Line (ನೇರಳೆ ಪಥ), Namma Metro's east–west line in Bengaluru, 43.49 km, 37 stations, Whitefield (Kadugodi) to Challaghatta, operated by BMRCL; opened fully October 9, 2023; busiest corridor, 76-minute end-to-end ride.
Purser
A purser, or ship's purser, is a shipboard officer responsible for provisions, stores, pay accounts, and administration; in modern passenger ships, the purser heads the administrative office.
Pursuit (company)
Pursuit Attractions and Hospitality, doing business as Pursuit and formerly Viad Corporation, is a Denver-based operator of sightseeing attractions and hospitality, with 2025 revenue of $452.4 million.
Pursuit Special
The Pursuit Special, known as the V8 Interceptor, is the black modified Ford Falcon XB GT Coupe driven by Max in the Mad Max films.
Purvanchal Expressway (पूर्वांचल एक्सप्रेसवे)
The Purvanchal Expressway (पूर्वांचल एक्सप्रेसवे), originally the Lucknow-Azamgarh-Ballia Expressway, is a 341 km six-lane expressway in Uttar Pradesh, India, from Lucknow to Ghazipur, inaugurated by Prime Minister Narendra Modi in November 2021.
Push dagger
A push dagger, also called a push knife or punch knife, is a short dagger with a T-handle gripped inside the fist, blade projecting between the fingers.
Push recovery
Push recovery is the set of control techniques a bipedal robot uses to keep its balance after an external push, through ankle, hip, and stepping motions.
Push technology
Push technology, or server push, is Internet communication in which the server initiates delivery, popularized by PointCast in 1996 and surviving today as web push notifications.
Push-button telephone
A push-button telephone, or push-button phone, is a telephone set with a keypad replacing the rotary dial, commercialized as Touch-Tone by the Bell System in 1963.
Push-grasping
Push-grasping is a robotic manipulation technique combining a push across a supporting surface with a prehensile grasp, letting robots pick objects whose position is uncertain or blocked by clutter.
Push-out test
The push-out test is a mechanical test that measures the bond or shear strength of an interface by pushing a component out of its surrounding body.
Push-pull cable
A push-pull cable, sometimes called a Bowden cable, is a flexible control cable that transmits force in both push and pull directions along a curved path.
Push-pull configuration
The push-pull configuration, also called centerline-thrust, is an aircraft engine arrangement with a tractor engine at the nose and a pusher at the tail, avoiding asymmetric yaw on engine failure.
Push–pull output
A push–pull output, also called a push-pull amplifier, is an electronic output stage in which one transistor sources current into the load and another sinks it.
Push–pull strategy
A push–pull strategy is a supply chain and production control approach that splits a value stream at the customer order decoupling point, running forecast-driven push operations upstream and order-driven pull operations downstream.
Push–pull train
A push–pull train is a passenger train with a locomotive at one end and a driving cab at the other, letting the driver control the locomotive remotely from either end.
Pushbroom scanner
A pushbroom scanner is an imaging instrument, typically carried by a satellite, that records an image one line at a time using a linear array of detectors.
Pusher configuration
The pusher configuration is an aircraft layout with the engine forward of a rearward-facing propeller that pushes from behind, used on the 1903 Wright Flyer and the MQ-9 Reaper.
Pushihe hydroelectric plant
The Pushihe hydroelectric plant (蒲石河抽水蓄能电站) is a 1,200 MW pumped-storage station in Kuandian County, Liaoning, China, the first large pumped-storage plant in Northeast China, fully operational by September 2012.
Pushmeet Kohli
Pushmeet Kohli is a computer scientist who is Chief Scientist of Google Cloud and VP of Research at Google DeepMind, leading its AI for Science unit.
Pushover analysis
Pushover analysis is a nonlinear static procedure in earthquake engineering that pushes a structural model with increasing lateral loads to estimate seismic capacity and failure sequence.
Pushpak Bhattacharyya
Pushpak Bhattacharyya was an Indian computer scientist and professor at IIT Bombay known for natural language processing and IndoWordNet, who directed IIT Patna from 2015 to 2020.
Put-to-light
Put-to-light, also called put-by-light, is a warehouse technology in which illuminated displays at order bins guide workers sorting scanned items into correct orders, the inverse of pick-to-light.
Putaohua Oil Field
Putaohua Oil Field (葡萄花油田) is an oil field in the southern Daqing placanticline of the Songliao Basin in northeastern China, producing from the Putaohua reservoir.
Putin's Palace
Putin's Palace, or the Residence at Cape Idokopas, is an Italianate residence on Russia's Black Sea coast that has been the subject of public speculation regarding its ownership.
Putty
Putty is a dough-like cement of powdered chalk (whiting) and linseed oil, used to bed and seal glass panes in window frames and to fill holes in woodwork.
PuTTY
PuTTY is a free, open-source SSH client for Windows and Unix, written mainly by Simon Tatham, that runs remote terminal sessions and also supports Telnet and serial connections.
Putzmeister
Putzmeister, German for "plaster master", is a German manufacturer of concrete pumps based in Aichtal, founded by Karl Schlecht in 1958 and part of China's SANY Group since 2012.