All articles starting with N
16,460 articles
Near-sightedness
Near-sightedness (myopia) is a refractive error in which light focuses in front of the retina, blurring distance vision. Onset is typically ages 6–14; atropine drops, multifocal lenses, and orthokeratology slow childhood progression.
Near-surface disposal
Near-surface disposal, also called shallow land burial, is the disposal of radioactive waste in trenches, engineered structures, or rock caverns at or near the Earth's surface.
Nearch (lunar crater)
Nearch is a 72.79-km-diameter impact crater on the Moon at 58.58° S, 39.01° E, named for the Greek explorer Nearchus of Crete, with lettered satellite craters Nearch C, D, E, F, and K.
Nearer, My God, to Thee
"Nearer, My God, to Thee" is a Christian hymn written by Sarah Flower Adams and published in London in 1841, based on Jacob's dream at Bethel in Genesis 28.
Nearest neighbor algorithm
A nearest neighbor algorithm answers a query by finding the stored data points closest to it under a distance metric, voting in classification or averaging in regression.
Nearest neighbor search
Nearest neighbor search, also called the post-office problem, is an algorithmic problem in computational geometry: preprocessing points so a query finds the closest one without computing every distance.
Nearfield Instruments
Nearfield Instruments is a Dutch semiconductor metrology company in Rotterdam, founded in 2016 as a TNO spin-off, that builds high-throughput atomic force microscopy systems for chipmaking.
Nearline storage
Nearline storage is a storage tier between online and offline storage: its media are not immediately available but are brought online quickly and automatically, with no human intervention.
Nearly zero-energy building
A nearly zero-energy building (NZEB) is a building with very high energy performance whose low remaining energy need is covered largely by on-site or nearby renewable sources.
Nearpod
Nearpod is an interactive lesson delivery platform for K-12 education, used in 75 percent of US public school districts and owned by Renaissance Learning, which acquired it in 2021.
Nearshoring
Nearshoring is the relocation of manufacturing or service operations to a country geographically close to the market served, notably Mexico's rise as the top US import source after 2018.
NEAT1
NEAT1 (nuclear paraspeckle assembly transcript 1, MEN-ε/β, VINC-1) is a mammalian long noncoding RNA with 3.7-kb and 23-kb isoforms on chromosome 11 that scaffolds paraspeckle nuclear bodies regulating gene sequestration, stress responses, and cancer.
Neatsville, Kentucky
Neatsville, Kentucky: unincorporated Adair County community on the Green River, 14 miles northeast of Columbia, at KY 206/KY 76; incorporated 1847, destroyed by an early-1900s Green River flood.
Neba'a Faour
Neba'a Faour, also written Nebaa Faour, is a large but low archaeological tell on the east side of Lebanon's Beqaa Valley, occupied around 6000–5500 BC.
Nebacumab
Nebacumab (Centoxin, HA-1A), a human IgM monoclonal antibody against endotoxin lipid A from Centocor for Gram-negative sepsis; approved in Europe 1991, rejected by FDA 1992, withdrawn after excess mortality.
Nebakuthana
Nebakuthana (Nebäkuthana, Tsoñä, zohn ahl) is a stick-dice race game of the Arapaho, Apache, Comanche, and Kiowa of Oklahoma and Wyoming, played on a rectangular board with rivers, four throwing sticks including the sahe, and scoring sticks won by circuiting the board.
Nebamun (scribe and grain accountant)
Nebamun was an Egyptian official of the 18th Dynasty who served as scribe and grain accountant in the Temple of Amun at Thebes, dying around 1350 BC.
Nebankh
Nebankh was a high official of Egypt's 13th Dynasty around 1750 BC, holding the titles royal seal-keeper and high steward, known from a stela erected at Abydos.
Nebat
Nebat is an Ephraimite of the 10th century BC in the Hebrew Bible, known as the father of Jeroboam I, first king of northern Israel.
Nebbiolo
Nebbiolo, also called Spanna, Chiavennasca, or Prunent, is Piedmont's late-ripening red wine grape behind Barolo and Barbaresco, first attested in 1266, with Valtellina requiring at least 90%.
Nebdjefare
Nebdjefare was a pharaoh of Egypt's Fourteenth Dynasty during the Second Intermediate Period, known only from the Turin King List, which records a one-year reign.
Nebelivka
Nebelivka is a 238-ha Trypillia BII megasite in Kirovohrad Oblast, Ukraine, occupied ca. 3970–3770 BC, with 1,445 structures, a 2012 temple mega-structure, and evidence for low-density, possibly seasonal occupation.
Nebelung
Nebelung: a rare semi-longhaired blue cat breed with silver-tipped coat and green eyes, developed in 1980s America by Cora Cobb from foundation cats Siegfried and Brunhilde; closely related to the Russian Blue, recognized for championship by TICA in 1997.
Nebelwerfer
The Nebelwerfer (German for "smoke projector"), nicknamed the Screaming meemie by American troops, was a German rocket launcher series of World War II, most famously the six-barreled 15 cm Nebelwerfer 41.
Nebemakhet
Nebemakhet was a prince and vizier of ancient Egypt's Fourth Dynasty, a son of King Khafre and Queen Meresankh III, buried in the Giza necropolis in rock-cut tomb G 8172.
Nebet (vizier)
Nebet was a Sixth Dynasty noblewoman of ancient Egypt, usually described as the first known female vizier, wife of the official Khui and mother of two queens of Pepi I.
Nebet (wife of Unas)
Nebet was a queen consort of the Egyptian pharaoh Unas, last king of the Fifth Dynasty, buried in a shared mastaba beside his pyramid at North Saqqara.
Nebetah
Nebetah was a princess of Egypt's 18th Dynasty, daughter of Amenhotep III and Queen Tiye and sister of Akhenaten, known from a single statue at Medinet Habu.
Nebetka
Nebetka, also written Nebitka, was a high official of Egypt's First Dynasty who served kings Den and Anedjib and was buried in mastaba S3038 at North Saqqara.
Nebettawy
Nebettawy was a princess and Great Royal Wife of Ramesses II in 13th-century BC Egypt, buried in tomb QV 60 in the Valley of the Queens.