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All articles starting with P

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Pia Zadora

Pia Zadora (Pia Alfreda Schipani, born 1954) is an American actress and singer, a former Broadway child performer who won the 1982 Golden Globe New Star of the Year for Butterfly, recorded five albums, and later ran the Las Vegas cabaret Pia's Place.

Piab

Piab is a Swedish manufacturer of industrial vacuum automation components, including ejectors, suction cups, robotic grippers, and vacuum conveyors, headquartered in Danderyd, Sweden, and founded in 1951.

Piacenza

Piacenza (Placentia) is a city of about 102,000 in Emilia-Romagna, Italy, on the right bank of the Po 67 km from Milan. Founded as a Roman colony in 218 BC, later a Farnese duchy seat and first city annexed to the Kingdom of Sardinia in 1848.

Piacenzian

The Piacenzian is the youngest stage of the Pliocene Series and last age of the Neogene Period, spanning 3.6 to 2.58 million years ago, named after Piacenza, Italy.

Piaget's theory of cognitive development

Piaget's theory of cognitive development, also called genetic epistemology, is Jean Piaget's constructivist stage theory: children build knowledge via assimilation, accommodation, and equilibration through four invariant stages, a framework now revised by inhibitory-control and cross-cultural research.

Piaggio

Piaggio, also known as Piaggio Group, is an Italian vehicle manufacturer headquartered in Pontedera, Tuscany, founded in 1884 and best known for creating the Vespa scooter in 1946; it also owns Aprilia and Moto Guzzi.

Piaggio Ape

The Piaggio Ape, Italian for "bee", is a three-wheeled light commercial vehicle built by Piaggio in Italy since the late 1940s to move goods cheaply in post-war Italy.

Piaggio P.180 Avanti

The Piaggio P.180 Avanti, also known as the Piaggio Avanti, is an Italian three-lifting-surface business aircraft with pusher turboprops, first flown in 1986 and still in production.

Piali Sengupta

Piali Sengupta is an American neuroscientist and geneticist, Professor of Biology at Brandeis University, who studies how the roundworm C. elegans detects odors, temperature, and salt.

Pian della Conserva

Pian della Conserva (Pian Conserva), Etruscan necropolis on a tuff plateau in the Mignone valley near Tolfa, Lazio; largest necropolis of the Tolfa Mountains, controlled by Caere, with over 100 chamber tombs of the late seventh to sixth century BC.

Pian di Mola necropolis

Pian di Mola necropolis (Necropoli di Pian di Mola), Etruscan rock-cut cemetery at Tuscania, Viterbo, Lazio, in use 7th-1st century BC, known for the 6th-century BC house tomb with a four-column portico and lion and sphinx acroteria.

Piana del Lago Sanctuary

The Piana del Lago Sanctuary is an Etruscan and Roman rural sanctuary on the southern shore of Lake Bolsena, Italy, excavated since its discovery in 1987.

Pianabella

Pianabella, the "beautiful plain" south of Ostia Antica, is a roughly 50-hectare Roman necropolis with an orthogonal road grid and a late-4th-century Christian cemetery basilica (43.30 x 16.20 m) used for burials into the 9th century.

PIANC

PIANC, the World Association for Waterborne Transport Infrastructure, is a non-political, nonprofit association founded in Brussels in 1885 that publishes technical reports on ports and waterways.

Piancatelli rearrangement

The Piancatelli rearrangement is an acid-catalyzed, water-mediated reaction that converts 2-furylcarbinols into 4-hydroxycyclopentenones, discovered by Giovanni Piancatelli's group at the University of Rome in 1976 and used in prostaglandin drug synthesis.

Pianist

Pianist: a person who plays the piano, especially a skilled or professional performer; word first used 1817. Covers technique and biomechanics, playing-related injuries (over 60% report discomfort), performance traditions, and evaluation of pianists.

Piankh

Piankh, also rendered Payankh, was a High Priest of Amun and commander of the army at Thebes in the final years of the Twentieth Dynasty, attested in Years 7 and 10 of the Whm Mswt era.

Piankh's Nubian campaign

Piankh's Nubian campaign was a military expedition led into Nubia around 1070 BCE by Piankh, High Priest of Amun and Viceroy of Kush, against the former viceroy Pinehesy.

Pianliancheng Chengzhi

偏脸城城址 (Pianliancheng), a Liao-Jin rammed-earth city site in Lishu County, Jilin: Liao Jiubai Xiying, Jin Hanzhou seat from 1150; 4,318 m walls, national heritage site since 2006.

Piano

Piano: hammer-action stringed keyboard invented by Bartolomeo Cristofori in Florence around 1700 (gravicembalo col piano e forte). 88 keys standard since the 1890s; digital pianos now lead the market at 33.6% of retail value.

Piano Concerto (Grieg)

Grieg's Piano Concerto in A minor, Op. 16: his only piano concerto, written in Denmark in 1868, premiered in Copenhagen in 1869 by Edmund Neupert, and revised repeatedly until his 1907 death.

Piano Concerto No. 1 (Tchaikovsky)

Tchaikovsky's Piano Concerto No. 1 in B-flat minor, Op. 23 (Концерт для фортепиано с оркестром № 1), composed 1874–75, premiered by Hans von Bülow in Boston in 1875 after Nikolai Rubinstein rejected it; revised 1879 and 1889.

Piano Concerto No. 2 (Rachmaninoff)

Rachmaninoff's Piano Concerto No. 2 in C minor, Op. 18 (1900–01), also called the "Rachmaninoff Concerto": three movements, dedicated to Dr. Nikolai Dahl, premiered Moscow 1901, one of his most popular works.

Piano Concerto No. 20 (Mozart)

Mozart's Piano Concerto No. 20 in D minor, K. 466 (KV 466), completed 10 February 1785 and premiered at Vienna's Mehlgrube the next day; one of only two minor-key Mozart piano concertos, with no Mozart cadenzas, Beethoven's WoO 58 cadenzas most used.

Piano Concerto No. 21 (Mozart)

Piano Concerto No. 21 in C major, K. 467, the "Elvira Madigan" concerto, is a 1785 Mozart piano concerto premiered at the Vienna Burgtheater on 10 March 1785, famous for its F major Andante used in the 1967 film Elvira Madigan.

Piano Concerto No. 3 (Rachmaninoff)

Piano Concerto No. 3 in D minor, Op. 30, Rach 3, is Sergei Rachmaninoff's 1909 piano concerto, completed at Ivanovka, premiered November 28, 1909 in New York with Damrosch, dedicated to Josef Hofmann, and famed for its extreme technical difficulty and two alternative first-movement cadenzas.

Piano Concerto No. 5 (Beethoven)

Beethoven's Piano Concerto No. 5 in E-flat major, Op. 73, the "Emperor" Concerto, composed 1809 in occupied Vienna, dedicated to Archduke Rudolph, premiered Leipzig 1811 with Friedrich Schneider; nickname not Beethoven's own.

Piano dei Casazzi

Piano dei Casazzi (also Piano Casazze), an indigenous Hellenized settlement near Mineo, Catania, Sicily, with Archaic pseudo-polygonal and isodomic walls, rock-cut dwellings, sanctuaries, and chamber, cappuccina, and enchytrismos necropoleis.

Piano festivals

A piano festival is a recurring event built around piano performances, presenting recitals by established and emerging artists, running masterclasses and training academies, or combining both, and differing from piano competitions.

Piano key frequencies

Piano key frequencies: the hertz pitch of each of the 88 keys of a standard piano in twelve-tone equal temperament, anchored at A4 = 440 Hz (ISO 16), from A0 at 27.50 Hz to C8 at 4186.01 Hz, with stretch tuning deviations.