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Technology and the built world

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Ningdong power station

Ningdong power station, also known as Guohua Ningdong power station, is a coal-fired power station in Lingwu, Yinchuan, in China's Ningxia, with air-cooled units of 330, 660, and 1,000 MW.

Ninghai hydroelectric plant

The Ninghai hydroelectric plant is a 1,400 MW pumped-storage station in Ninghai County, Ningbo, Zhejiang, China, operated by State Grid Xinyuan and fully commissioned in May 2025.

Ninghai power station

Ninghai power station (宁海电厂), formally Guohua Ninghai Power Plant, is a coal-fired power station in Ninghai County, Ningbo, Zhejiang, China, reaching 4,400 MW between 2003 and 2009.

Ningtiaota Coal Mine

Ningtiaota Coal Mine (柠条塔煤矿) is a large underground coal mine in Shenmu, Shaanxi, China, operated by Shaanxi Coal Group with a capacity of 20 million tonnes per year.

Ningxia Hongliu Coal Mine

Ningxia Hongliu Coal Mine (红柳煤矿) is a large underground coal mine in Majiatan Town, Lingwu City, Ningxia, China, producing 8 million tonnes of non-caking bituminous coal per year.

Ningxia Lingwu power station

Ningxia Lingwu power station is a 3,320 MW coal-fired power plant in Lingwu City, Ningxia, China, home to the world's first 1,000 MW air-cooled ultra-supercritical unit in 2011.

Ningxia Zaoquan power station

Ningxia Zaoquan power station, also known as Liyang power plant, is a 1,320 MW coal-fired power station in Lingwu, Ningxia, China, with two 660 MW units commissioned in 2017.

Nini Pryds

Nini Pryds is a Danish materials scientist who heads the Functional Oxide Materials section at the Technical University of Denmark, studying oxide interfaces and elastocaloric heat pumps.

Ninian Crude Oil Pipeline

The Ninian Crude Oil Pipeline, also called the Ninian Pipeline System, is a 175 km North Sea pipeline from the Ninian Central Platform to Sullom Voe, laid in 1975 and 1976.

Ninian field

The Ninian field is an oil field in the East Shetland Basin of the UK North Sea, discovered in 1974, producing through three platforms known as the Ninian Hub.

Ninilchik Oil and Gas Field

The Ninilchik Oil and Gas Field, also called the Ninilchik Unit, is a natural gas field on the southern Kenai Peninsula in Alaska, discovered in 2002 by Marathon Oil and Unocal.

NinjaFlex

NinjaFlex is a flexible thermoplastic polyurethane 3D printing filament produced by NinjaTek in Manheim, Pennsylvania, launched in October 2013 as the first flexible filament on the market.

Ninjatō (忍者刀)

The ninjatō (忍者刀), also called shinobigatana or ninja sword, is the straight-bladed, square-guarded sword popular culture assigns to ninja, though no example predates the twentieth century.

Ninoy Aquino International Airport

Ninoy Aquino International Airport (NAIA), formerly Manila International Airport, is the largest and primary international airport of the Philippines, serving Metro Manila with four terminals and two intersecting runways.

Nintendo (任天堂)

Nintendo (任天堂) is a Japanese video game company headquartered in Kyoto, founded in 1889 as a Hanafuda playing card maker and creator of Mario and the Switch.

Nintendo Direct

Nintendo Direct is a series of pre-recorded online video presentations by Nintendo announcing games, hardware, and company news, begun under president Satoru Iwata in October 2011 and later replacing its E3 press conferences.

Nintendo Music

Nintendo Music is a music streaming application operated by Nintendo, launched in 2024, offering Nintendo game soundtracks exclusively to Nintendo Switch Online members at no extra cost.

Nintendo Network

Nintendo Network, announced in January 2012 as successor to Nintendo Wi-Fi Connection, was Nintendo's free online service for the Wii U and 3DS, discontinued on April 8, 2024.

Nintendo Switch system software

The Nintendo Switch system software is Horizon, a custom microkernel operating system developed by Nintendo and delivered through numbered system updates since the console's 2017 launch.

Nintendo Today

Nintendo Today (officially Nintendo Today!) is a free Nintendo smartphone app, released March 27, 2025, that combines an animated character calendar with daily news, videos, comics, and a schedule of game releases and Nintendo Directs.

Nintendo Wi-Fi Connection

Nintendo Wi-Fi Connection (ニンテンドーWi-Fiコネクション) was Nintendo's free online play service for DS and Wii games, launched November 2005 with Mario Kart DS and closed May 20, 2014, using automatic IDs and per-game Friend Codes.

Ninurta temple (Khorsabad)

Ninurta temple (Khorsabad): one of six palace-terrace temples at Dur-Sharrukin, Sargon II's capital, dedicated to Sin, Shamash, Ningal, Adad, Ninurta, and Ea; once misidentified by Victor Place as a harem.

NIO Energy

NIO Energy, known operationally as Nio Power, is the battery-swap and charging infrastructure arm of Chinese electric-vehicle maker NIO, founded in Wuhan in 2017 and operating thousands of swap stations.

Nio ES9 (蔚来)

The Nio ES9 (蔚来ES9) is a full-size electric executive SUV from the Chinese automaker NIO, launched in 2026 as its flagship SUV. At 5,365 mm long, it is the largest battery electric crossover developed in China.

Nio ET9

The Nio ET9 (蔚来ET9) is a battery electric flagship executive sedan from Chinese automaker Nio, the first model on its NT 3.0 platform, with China deliveries from March 2025.

Niobium-based oxide anode

A niobium-based oxide anode is a lithium-ion battery anode material using niobium oxides, alone or with titanium or tungsten, that charges fast without lithium dendrites or SEI growth.

Nios (processor)

Nios is a family of soft-core microprocessors from Altera, now part of Intel, implemented as configurable logic inside an FPGA rather than as a fixed silicon chip.

Nios II

Nios II is a 32-bit RISC soft-core processor designed by Altera, now part of Intel, and delivered as synthesizable HDL implemented on the company's FPGAs since its 2004 launch.

Nipa hut

The nipa hut, known in Tagalog as bahay kubo and in Visayan as payag, is the traditional Philippine stilt house of bamboo, wood, and nipa thatch.

Nipisi Oil and Gas Field

Nipisi is an oil and gas field in northwestern Alberta, Canada, discovered in 1965, with an estimated 909 million barrels of original oil in place.