5,208 articles
Nissen hut
The Nissen hut, also called the Nissan hut, is a prefabricated military hut of curved corrugated steel, invented in 1916 by Peter Norman Nissen to house troops near the front line in the First World War.
Nominal Pipe Size
Nominal Pipe Size, also known as nominal bore, is a North American standard for naming pipe sizes, where each size is a name rather than an actual measurement.
Non-places
A non-place (French: non-lieu) is a concept coined by anthropologist Marc Augé in 1992, describing spaces like airports, hotels, and malls that lack relational, historical, or identity meaning.
Non-revenue water
Non-revenue water, formerly called unaccounted-for water, is water a utility puts into its distribution system but does not bill to customers, lost through leakage, illegal connections, and metering inaccuracies.
Nonlinear static analysis
Nonlinear static analysis, widely known as pushover analysis, is a structural analysis method that applies an incrementally increasing lateral load to a structural model until a target displacement is reached.
Nonlinear time history analysis
Nonlinear time history analysis (NTHA) is a structural engineering method that integrates earthquake ground motion records through a nonlinear model to compute displacements, forces, and damage.
Nonpoint source pollution
Nonpoint source pollution is water pollution from diffuse runoff of rainfall or snowmelt over land, rather than from a pipe, and it pollutes most impaired US waters.
Nonsuch Palace
Nonsuch Palace, a Tudor royal palace built by Henry VIII from 1538 in Surrey on the cleared village of Cuddington, famed for Renaissance stucco panels, unfinished at his death, and demolished in the 1680s.
Noordoostpolder
The Noordoostpolder, or Northeast Polder, is a polder in the Dutch province of Flevoland reclaimed from the Zuiderzee between 1936 and 1942 as part of the Zuiderzee Works.
Noordwaard Polder depoldering
The Noordwaard Polder depoldering (ontpoldering Noordwaard) is a Dutch flood-risk project completed in 2015, which reopened about half of a 4,450-hectare polder near Werkendam to the Nieuwe Merwede river.
Norfolk Southern–Gregson Street Overpass
The Norfolk Southern–Gregson Street Overpass, nicknamed the "Can Opener" and "11foot8 bridge," is a low railroad trestle in Durham, North Carolina, known for crashing into tall trucks.
Norman Foster
Norman Foster, Baron Foster of Thames Bank, is a British architect and leading figure of High Tech architecture who founded Foster + Partners in 1967.
Norman Medal
The Norman Medal is an annual award of the American Society of Civil Engineers for an original paper, instituted in 1872 with an endowment by George H. Norman.
Normandy Bridge
The Normandy Bridge (Pont de Normandie) is a cable-stayed road bridge across the Seine estuary between Le Havre and Honfleur, France, opened in 1995 with a record 856 m main span.
Norris Dam
Norris Dam is a hydroelectric and flood-control dam on the Clinch River in Tennessee, the first major Tennessee Valley Authority project, begun in 1933 and completed in 1936.
North Crimean Canal
The North Crimean Canal (Північно-Кримський канал) carries Dnieper water from the Kakhovka Reservoir into arid northern Crimea. Its 403 km main branch is Europe's longest canal.
North Jetty
North Jetty is the shared name for the northern jetty at paired harbor-entrance jetties, notably Grays Harbor (1916), Humboldt Bay (1891-1925, dolos-armored), and the Mouth of the Columbia River; several are famous surf breaks.
North Sea Canal
The North Sea Canal (Dutch: Noordzeekanaal) is a 21-kilometer ship canal connecting the port of Amsterdam directly to the North Sea at IJmuiden, opened in 1876.
North West Water
North West Water was the water and sewerage utility for North West England, created in 1974 as a regional water authority, privatized in 1989, and renamed United Utilities in 1996.
Northern Heavy Industries Group
Northern Heavy Industries Group is a Chinese heavy machinery manufacturer based in Shenyang, formed in 2006, that makes tunnel boring machines from 3 to 15 meters in diameter.
Northern Metropolis
The Northern Metropolis (北部都会区) is a planned 300-square-kilometer development area in Hong Kong's northern New Territories, announced by Carrie Lam in 2021 and built around innovation and technology with neighboring Shenzhen.
Northern Outfall Sewer
The Northern Outfall Sewer is a major brick sewer in east London, built between 1860 and 1865 under engineer Sir Joseph Bazalgette as part of London's Main Drainage.
Northumberland Development Project
The Northumberland Development Project is Tottenham Hotspur Football Club's mixed-use redevelopment of North Tottenham, London, which replaced White Hart Lane with a larger stadium opened in 2019.
Northumbrian Water
Northumbrian Water is a privately owned water and sewerage company serving 2.7 million customers in north east England and 2 million in Essex and Suffolk as Essex & Suffolk Water.
Northwick Park
Northwick Park: Grade I listed country house at Blockley, Gloucestershire, early C17 core remodelled 1686-1832, attributed to Talman, Lord Burlington, Woolfe, Hulls; also a London park and hospital district named for Lord Northwick.
Norval H. Curry
Norval H. Curry, also known as Norval Herbert Curry, was an American consulting engineer who founded the firm that became Curry-Wille & Associates in Ames, Iowa.
Norwich Castle
Norwich Castle, also known as Norwich Castle Museum, is a Norman royal castle in Norwich, England, with a great stone keep completed in 1121 that has housed a museum since 1894.
Notre-Dame Basilica (Montreal)
Notre-Dame Basilica, or Basilique Notre-Dame de Montréal, is a Gothic Revival Catholic basilica in Old Montreal, built 1824 to 1829 to designs by James O'Donnell.
Notre-Dame Cathedral in Tournai
Notre-Dame Cathedral in Tournai (Cathédrale Notre-Dame de Tournai), Belgium: Romanesque nave and five-towered transept of the early 12th century with a 13th-century Gothic choir; UNESCO World Heritage Site since 2000, criteria (ii) and (iv).
Notre-Dame de Lausanne
Notre-Dame de Lausanne is the Gothic cathedral of Lausanne, Switzerland, built mainly between 1170 and 1235 and consecrated in 1275 by Pope Gregory X in the presence of Emperor Rudolf of Habsburg.