edgepedia

All articles starting with P

28,818 articles

Polarled Gas Pipeline

Polarled is a 482-kilometer gas pipeline on the Norwegian continental shelf, running from the Aasta Hansteen field to the Nyhamna plant, with gas transport starting in 2018.

Polarography

Polarography is an electroanalytical technique using a dropping mercury electrode, introduced by Jaroslav Heyrovský in Prague in 1922 and honored with the 1959 Nobel Prize in Chemistry.

Polaroid (film)

Polaroid is a 2019 supernatural horror film by Norwegian director Lars Klevberg, adapted from his 2015 short; Kathryn Prescott stars as Bird Fitcher, cursed by a haunted vintage Polaroid camera. Released by Vertical Entertainment after Weinstein Company's collapse.

Polaroid Corporation

Polaroid Corporation was an American photography company founded by Edwin H. Land in 1937, best known for inventing instant photography; it went bankrupt in 2001.

Polaroid Model 95

The Polaroid Model 95 was the first commercially successful instant camera, sold by Polaroid from November 1948 and producing a print in about a minute.

Polaroid SX-70

The Polaroid SX-70 is a folding single-lens-reflex instant camera introduced by Polaroid in 1972, the first camera to use self-developing integral film with no peel-apart step.

Polaron

A polaron is a quasiparticle made of an electron or hole plus the surrounding crystal lattice distortion it induces, a concept Lev Landau introduced in 1933.

Polars (software)

Polars: open-source Rust DataFrame library and query engine for Python, R, NodeJS, using Apache Arrow columnar format, lazy query optimization, and streaming execution; first committed 23 June 2020 by Ritchie Vink.

Polarstern

Polarstern is a German research icebreaker operated by the Alfred Wegener Institute in Bremerhaven, commissioned in 1982 to work alternately in the Arctic and Antarctic.

Polatuzumab vedotin

Polatuzumab vedotin (Polivy, polatuzumab vedotin-piiq) is a Genentech anti-CD79b antibody-drug conjugate carrying MMAE; FDA-approved in 2019 with bendamustine-rituximab for relapsed/refractory DLBCL and in 2023 with R-CHP for first-line DLBCL.

Polatuzumab vedotin and rituximab regimen

The polatuzumab vedotin and rituximab regimen (Pola-R) is a chemoimmunotherapy pairing for B-cell lymphomas, approved with R-CHP for untreated diffuse large B-cell lymphoma and with bendamustine for relapsed disease.

Polavaram district (పోలవరం జిల్లా)

Polavaram district (పోలవరం జిల్లా) is an Andhra Pradesh district formed December 31, 2025 with headquarters at Rampachodavaram, carved from 12 mandals of Alluri Sitharama Raju district; distinct from Polavaram village and the Polavaram Irrigation Project.

Polavaram Project (పోలవరం ప్రాజెక్టు)

The Polavaram Project (పోలవరం ప్రాజెక్టు), also called Polavaram Dam, is a multi-purpose irrigation project under construction on the Godavari river at Polavaram in Andhra Pradesh, India.

Polaznik Macula

Polaznik Macula is a 346.90-km-wide dark spot (macula) on Titan at 41.10S, 280.40W, IAU-approved April 5, 2010, named for a Slavic god of New Year's happiness and studied as a possible liquid-bearing region.

POLB

POLB, the human DNA polymerase beta gene at 8p11.21, encodes a 39 kDa X-family enzyme for base excision repair gap filling; mutated in about 40% of colorectal tumors and overexpressed in 30%.

PolB1 binding protein 2

PolB1 binding protein 2 (PBP2, SSO6202/Saci_1566) is an 8 kDa winged-helix accessory subunit of the Sulfolobus PolB1-HE heterotrimeric DNA polymerase holoenzyme, binding the PolB1 thumb domain and modestly stimulating polymerase activity.

Polcalcin

Polcalcins are small EF-hand calcium-binding panallergens restricted to tree, grass, and weed pollen; minor but highly cross-reactive, with Phl p 7 as diagnostic marker.

POLD1

POLD1 encodes p125, the catalytic subunit of human DNA polymerase delta, the lagging-strand replicase with 3'-5' proofreading. Germline defects cause MDPL syndrome and PPAP colorectal cancer predisposition; somatic mutations drive hypermutated tumors.

Poldark

Poldark: Winston Graham's twelve-novel Cornish historical saga (1945–2002), set 1783–1820, following Ross and Demelza Poldark against George Warleggan; basis of the BBC series of 1975, 1977, and 2015–2019.

Poldark (1975 TV series)

Poldark (1975–1977) is the original BBC adaptation of Winston Graham's Cornish novels, starring Robin Ellis and Angharad Rees, 29 episodes in two series, an estimated 15 million viewers, later remade in 2015 with Aidan Turner.

Poldark (2015 TV series)

Poldark (2015–2019) is a BBC One historical drama by Mammoth Screen, written by Debbie Horsfield, adapting Winston Graham's Cornish novels across five series and 43 episodes, starring Aidan Turner and Eleanor Tomlinson, distinct from the 1975–77 Robin Ellis version.

Poldek Pfefferberg

Poldek Pfefferberg, also Leopold Page, Kraków-born 1913, Schindler Jew No. 173, Beverly Hills luggage dealer who persuaded Thomas Keneally to write Schindler's Ark, basis of Spielberg's film.

Polder

A polder is low-lying land enclosed by dikes, with its water level controlled by sluices and pumping stations; polders cover roughly half the Netherlands, reclaimed since the 12th century.

Poldhu Wireless Station

Poldhu Wireless Station was a high-power radio transmitting station built by Guglielmo Marconi on the Lizard peninsula in Cornwall, England, operating from 1900 to 1933.

Pole Aquarium

Pole Aquarium (极地馆) is a public aquarium in Dalian, Liaoning, China, at Laohutan Ocean Park; opened 2002 as China's first polar aquarium, housing belugas, penguins, and polar bears.

Pole bending

Pole bending, also known as the Nez Percé Stake Race, is a timed western riding competition in which a rider weaves a horse through six poles, fastest faultless run winning.

Pole cell

Pole cells are the first cells to cellularize at the posterior pole of the insect blastula and are the primordial germ cells of insects, first reported by Weismann in 1863 in Chironomus; their formation depends on the oskar-assembled germ plasm.

Pole dance

Pole dance, also called pole fitness or pole sport, is dance and acrobatics on a vertical pole, developed as recreational practice by Fawnia Mondey Dietrich in 1994 and now a regulated IPSF competitive sport with documented strength benefits and high shoulder and wrist injury rates.

Pole of inaccessibility

Pole of inaccessibility: the point farthest from a coastline on a landmass or in an ocean, term coined by Stefansson in 1920. Includes the Eurasian pole in Xinjiang, Point Nemo, and the polar poles.

Pole placement

Pole placement, also known as pole assignment or full-state feedback design, is a control method that computes feedback gains placing a linear system's closed-loop poles at desired locations.