All articles starting with P
28,818 articles
Peak shaving
Peak shaving is a load management technique in power engineering that cuts a customer's maximum electricity demand, typically by discharging a battery, to lower demand charges and relieve grid stress.
Peak signal-to-noise ratio
Peak signal-to-noise ratio (PSNR) is a decibel metric that quantifies how faithfully a compressed or reconstructed image matches the original, widely used in image and video compression.
Peak Sport (匹克体育)
Peak Sport (匹克体育) is a Chinese sportswear maker founded in 1989 in Jinjiang, Fujian, by Xu Jingnan, known for basketball footwear and its Taichi adaptive midsole technology.
Peak Sport Products
Peak Sport Products (匹克, PEAK) is a Chinese sportswear company founded in 1989 in Quanzhou, Fujian, by Xu Jingnan, known for basketball shoes, NBA endorsements, and its Taichi cushioning line.
Peak water
Peak water is the concept that freshwater availability or use can rise to a maximum and then decline, formalized by Peter Gleick and Meena Palaniappan in 2010.
Peak Xv Partners
Peak Xv Partners is a venture capital firm investing in India, Southeast Asia, and the United States, created in 2023 when Sequoia Capital restructured and its India operation became independent.
Peak-to-average power ratio reduction
Peak-to-average power ratio reduction is the set of signal-processing techniques that lower peak power in OFDM waveforms, chiefly through clipping, tone reservation, and scrambling methods.
PEAK6 Investments
PEAK6 Investments is an American proprietary trading and financial-technology holding company founded in 1997 by Jenny Just and Matt Hulsizer in Chicago, now headquartered in Austin, Texas, and majority owner of Apex Fintech Solutions.
Peaked
Peaked: upcoming A24 ensemble comedy written, directed by and starring Molly Gordon, co-written with Allie Levitan, about high-school queen bees at their 10-year reunion; shot February 2026 in Jersey City, in post-production October 2026.
Peaked cap
Peaked cap (service cap, forage cap, kepi, combination cap): military and civil headgear with a flat crown and front visor, originating from the 19th-century French kepi and now worn by armies, navies, police, pilots, and security services worldwide.
PeakForce Tapping
PeakForce Tapping (PFT) is a proprietary atomic force microscopy mode developed by Bruker, productized in 2009, that images at controlled peak force while quantitatively mapping nanomechanical properties.
Peaks over threshold
Peaks over threshold (POT) is an extreme value theory method that retains and models all observations above a high threshold, fitted with the generalized Pareto distribution.
Peakspan Capital Growth Partners
PeakSpan Capital is a United States growth-equity venture firm founded in 2015 by Phil Dur and Brian Mulvey, investing exclusively in B2B software companies from New York and the Bay Area.
Peaky Blinders
Peaky Blinders: BBC crime drama (2013–2022, six series) by Steven Knight about the Shelby gangster family in post-WWI Birmingham, named for a real 1890s gang, continuing via The Immortal Man film and sequel series.
Peaky Blinders (TV series)
Peaky Blinders (2013–2022) is a BBC-Netflix British crime drama by Steven Knight about the Shelby gangster family in Birmingham, 1919–1934, starring Cillian Murphy, followed by The Immortal Man film and a 1950s-set sequel series.
Peaky Blinders: The Immortal Man
Peaky Blinders: The Immortal Man is a 2026 British film, also called the Peaky Blinders movie, directed by Tom Harper and written by Steven Knight. Cillian Murphy's Tommy Shelby returns in 1940 wartime Birmingham; released March 6 in theaters and March 20, 2026 on Netflix.
Peaky P-key
Peaky P-key is a four-member fictional high-school DJ unit in D4DJ, Bushiroad's DJ-themed media-mix project, announced in 2019 as one of its first two units.
Peale Dorsum
Peale Dorsum is a 199 km ridge (dorsum) on Mercury at 61.6S, 1.0W in quadrangle H-11, named for American astrophysicist Stanton J. Peale and adopted by the IAU on August 18, 2026.
Peameal bacon
Peameal bacon is Canadian wet-cured, unsmoked pork loin rolled in cornmeal, originally coated in ground yellow peas; associated with Toronto's William Davies and distinct from American "Canadian bacon".
Peano arithmetic
Peano arithmetic (PA) is a formal axiomatic theory of the natural numbers, named for Giuseppe Peano's 1889 axioms, which is incomplete by Gödel's theorems and has non-standard models.
Peano axioms
The Peano axioms, or Dedekind–Peano axioms, are axioms characterizing the natural numbers through zero, a successor operation, and induction, introduced by Giuseppe Peano in 1889.
Peano curve
The Peano curve is a continuous curve that passes through every point of a square, constructed by Giuseppe Peano in 1890 as the first known space-filling curve.
Peano-HASEL actuator
A Peano-HASEL actuator is a soft artificial muscle made of a liquid-filled plastic pouch that contracts under high voltage, introduced at the University of Colorado Boulder in 2018.
Peanut
Peanut (Arachis hypogaea), groundnut: a Fabaceae legume whose flowers pollinate above ground while pods ripen underground (geocarpy). Fourth-ranked global oilseed; ~50 Mt/year led by China, India, Nigeria; key allergen and aflatoxin risks.
Peanut (squirrel)
Peanut (P'Nut), an eastern gray squirrel rescued by Mark Longo in 2017, became an Instagram and TikTok star; New York DEC seized and euthanized him and raccoon Fred in October 2024, sparking political backlash, bomb threats, Peanut's Law, and $10 million lawsuits.
Peanut allergy
Peanut allergy: IgE-mediated food allergy to peanut proteins (Ara h 1–11, chiefly Ara h 2), affecting 0.2–4.5% of populations, usually lifelong, a leading cause of anaphylaxis; managed by avoidance, epinephrine, OIT (Palforzia), and omalizumab (2024).
Peanut butter
Peanut butter is a food paste made by roasting and grinding peanuts, eaten as a spread; US regulation requires at least 90 percent peanuts, with the remainder limited to sweeteners and stabilizers.
Peanut butter and jelly sandwich
Peanut butter and jelly sandwich (PB&J), an American bread sandwich of peanut butter and jelly or jam; first printed 1901 by Julia Davis Chandler, mass-market after 1920s sliced bread and Skippy, now a lunchbox staple.
Peanut butter, banana and bacon sandwich
Peanut butter, banana and bacon sandwich, also called the Elvis or Velvet Elvis sandwich: an American pan-fried sandwich of white bread, peanut butter, banana, and often bacon, famous through Elvis Presley and distinct from Denver's Fool's Gold Loaf.
Peanut mottle virus
Peanut mottle virus (PeMoV, PMV), a potyvirus with positive-sense ssRNA genome first described in Georgia, USA in 1965, infects peanut via aphids and seed; RefSeq NC_002600.