edgepedia

Technology and the built world

61,984 articles

Pongamia pinnata

Pongamia pinnata, known as karanj or Indian beech, is a leguminous tree native to tropical and subtropical Asia, grown for its non-edible seed oil used in biodiesel production.

Pono (digital music service)

Pono, also known as PonoMusic, was a high-resolution digital music service and portable player created by Neil Young, funded on Kickstarter in 2014, with its download store closing in 2017.

Ponos Corporation (ポノス)

Ponos Corporation, known as PONOS, is a Japanese video game company founded in Osaka in 1990 and headquartered in Kyoto, best known for The Battle Cats.

Pons Cestius

Pons Cestius (Ponte Cestio, Pons Gratiani), ancient Roman bridge linking Tiber Island to the right, Trastevere bank of the Tiber; built late 1st century BC by a Cestius, rebuilt 369-370 by Valentinian I, Valens, and Gratian, and re-erected 1888-1892.

Pons Chabinae

Pons Chabinae, the Roman bridge over the river Chabinas, today's Cendere Köprüsü or Severan Bridge in Adıyaman Province, Turkey; built by Legio XVI Flavia Firma under Septimius Severus, 120 m long with a 34.2 m arch.

Pons Fabricius

Pons Fabricius (Ponte Fabricio, Ponte dei Quattro Capi) is Rome's best preserved ancient bridge, built 62 BC by Lucius Fabricius to link the Tiber Island's left bank; still in pedestrian use.

Pont Alexandre III

Pont Alexandre III, or Alexander III Bridge, is an arch bridge over the Seine in Paris, built for the 1900 Exposition Universelle and named for Tsar Alexander III of Russia.

Pont de l'Alma

The Pont de l'Alma, or Alma bridge, is a road bridge over the Seine in Paris, whose Zouave statue serves as a traditional flood gauge.

Pont de Valmale

Pont de Valmale (Pont de la Combe de Valmale), a small Roman aqueduct bridge on the Nîmes aqueduct near the Pont du Gard in Gard, France; about 8 m high, built in petit appareil, its single arch lost, canal floor 0.40 m thick.

Pont del Diable (aqueduct)

The Pont del Diable, also called the Les Ferreres Aqueduct, is a Roman aqueduct bridge 4 km from Tarragona, Spain, built around the 1st century AD to carry water to Tarraco.

Pont des Arts

Pont des Arts, also called Passerelle des Arts, is a pedestrian footbridge over the Seine in Paris linking the Louvre with the Institut de France.

Pont du Diable (Céret)

Pont du Diable (Vieux Pont de Céret), Devil's Bridge: medieval single-arch stone bridge over the Tech at Céret, Pyrénées-Orientales, built 1321-1341, span 45.45 m, listed 1840, tied to a devil legend.

Pont du Diable, Hérault

The Pont du Diable (Devil's Bridge) is an early 11th-century Romanesque bridge over the Hérault river in Occitanie, France, built by the abbeys of Aniane and Gellone.

Pont du Gard

The Pont du Gard is a three-tiered Roman aqueduct bridge in southern France, built around AD 50 to carry water to Nîmes across the Gardon River.

Pont du Roi

Pont du Roi, officially Vieux pont sur la Doux, is a historic stone bridge over the Doux below Boucieu-le-Roi in the Ardèche, France, listed since 1927.

Pont Julien

Pont Julien: Roman three-arched limestone bridge near Bonnieux, Vaucluse, France, on the Via Domitia over the Calavon, dated about 3 BCE, classified Monument historique 1914, in road use until 2005; distinct from the submerged 1697 Pont Julien on the Verdon.

Pont Neuf

The Pont Neuf, also known as Le pont Neuf, is the oldest standing bridge across the Seine in Paris, begun in 1578 under Henri III and finished in 1606.

Pont Saint-Bénézet

The Pont Saint-Bénézet, commonly called the Pont d'Avignon, is a ruined medieval stone bridge across the Rhône at Avignon, France, first built in the late 12th century.

Pontcysyllte Aqueduct

Pontcysyllte Aqueduct, Pont y Cysswllt, is a navigable canal aqueduct in Wrexham, Wales, opened in 1805 and the longest and highest in the United Kingdom.

Ponte Apollosa

Ponte Apollosa (Ponte dei Molini) is a Roman three-arched Via Appia bridge at Taverna di Apollosa near Benevento, Italy, crossing the torrente Corvo; about 26 m long, possibly Severan-restored in 198 CE, WWII-destroyed, closed for stability in 2026.

Ponte Cardona

Ponte Cardona, at Narni, Umbria, is the fourth and last Roman bridge of the Formina aqueduct, a single-arch travertine aqueduct bridge over the fosso dei Collari, distinct from Spanish and Welsh namesakes.

Ponte dell'Abbadia

Ponte dell'Abbadia, also Ponte della Badia, Ponte del Diavolo, or Ponte dell'Arcobaleno, is a stratified Etruscan-Roman-medieval arch bridge over the Fiora at Vulci, Viterbo, with a 20 m main span, damaged by 2012 floods and restored by 2023.

Ponte della Maddalena

Ponte della Maddalena, also called Ponte del Diavolo (Devil's Bridge), is an 11th-century stone arch bridge over the Serchio river at Borgo a Mozzano, Lucca, Tuscany, with a 38 m main arch and three smaller asymmetric arches.

Ponte della Rocca, Blera

Ponte della Rocca, Blera: single-arch Roman tuff bridge (about 7.5 m high) on the Via Clodia over the Rio Canale near Blera, Viterbo; dated 2nd century BC, built partly with stone from the Pian del Vescovo Etruscan necropolis.

Ponte di Pioraco

Ponte di Pioraco, or Ponte Marmone, a stone bridge over the Potenza at Pioraco, Macerata, Marche; traditionally a Roman bridge of the Augustan age on a via Flaminia branch, though a regional catalog dates it to the 13th-14th centuries.

Ponte di Pogi

Ponte di Pogi (Pogi Bridge) is a five-arch humpback stone bridge over the Ambra at Pogi, Bucine, Arezzo, Tuscany; a medieval bridge on Roman via Cassia piers, restored in 2012, walkable only on foot.

Ponte di Traiano at Tor Tre Ponti

Ponte di Traiano (Trajan's Bridge) at Tor Tre Ponti is a Roman bridge on the Via Appia near Latina, Italy, built under Nerva and Trajan around AD 97.

Ponte di Vallerano

Ponte di Vallerano: Roman bridge in Rome's Tor di Valle area, also called Ponte romano della via Ostiense, carrying the ancient via Ostiensis over the fosso di Vallerano, a left-bank Tiber tributary; three-arched, dated 2nd century BC by Italian sources, hidden beneath the via del Mare and visible only from a cycle path.

Ponte Ezzu

Ponte Ezzu (Pont'Ezzu, "old bridge") names two Roman-founded medieval bridges in Sardinia: a six-arch, 88 m bridge on the Riu Mannu near Ozieri and a three-arch, 35 m Tirso bridge near Illorai.

Ponte Fabio Massimo

Ponte Fabio Massimo, or Ponte del Diavolo, is an ancient Samnite and Roman bridge over the Titerno river at Faicchio, Benevento, Campania: 12 m long, 13 m high, three asymmetrical arches, linked by legend to Fabius Maximus and Hannibal, restored in 2008.