42,772 articles
NICA (collider)
NICA (Nuclotron-based Ion Collider fAcility) is a heavy-ion and polarized-proton collider at JINR in Dubna, Russia, begun in 2013, which reached its first stable xenon beam in January 2026.
Nice model
The Nice model is a 2005 scenario in which the giant planets formed close to the Sun and migrated to their present orbits via planetesimal-driven gravitational scattering.
Nicholas B. Suntzeff
Nicholas B. Suntzeff is an astronomer and cosmologist who co-founded the Calán/Tololo Supernova Survey and the High-Z Supernova Team, which discovered the universe's accelerating expansion in 1998.
Nicholas Butch
Nicholas P. Butch is an American condensed matter physicist at the NIST Center for Neutron Research, a PECASE recipient known for work on unconventional superconductivity in uranium ditelluride.
Nicholas C. Handy
Nicholas C. Handy (1941–2012) was a British theoretical chemist who spent his career at Cambridge and is known for the HCTH and CAM-B3LYP functionals and full configuration interaction.
Nicholas Christofilos
Nicholas Christofilos (Νικόλαος Χριστοφίλου), 1916 to 1972, was a Greek-American elevator engineer who independently invented strong focusing for particle accelerators, then led Project Argus and the Astron fusion program at Livermore.
Nicholas Cox
Nicholas J. Cox is a statistician and geographer, Assistant Professor at Durham University, known as a Stata software author, Executive Editor of the Stata Journal, and prolific Statalist contributor.
Nicholas Hutzler
Nicholas Hutzler, also known as Nick Hutzler, is an American atomic and molecular physicist at Caltech who uses laser-based precision measurements of cold molecules to search for new particles and forces.
Nicholas J Shackleton
Sir Nicholas John Shackleton (1937–2006) was a British paleoclimatologist at the University of Cambridge who established oxygen isotope stratigraphy as the master chronology of the ice ages.
Nicholas J. Turro
Nicholas J. Turro (1938–2012) was an American chemist at Columbia University who laid the foundations of modern organic photochemistry, supramolecular photochemistry, and spin chemistry, and was elected to the National Academy of Sciences in 1981.
Nicholas Kaiser
Nicholas (Nick) Kaiser (1954–2023) was a cosmologist who turned weak gravitational lensing into a tool for mapping dark matter and led the Pan-STARRS survey in Hawaii.
Nicholas Kemmer
Nicholas Kemmer (1911–1998) was a British theoretical physicist, born in St Petersburg, who predicted the pion's three charge states in 1938 and was Tait Professor at Edinburgh from 1953 to 1979.
Nicholas Mayall
Nicholas Mayall (1906–1993) was an American observational astronomer who spent over 25 years at Lick Observatory and served as second director of Kitt Peak National Observatory, 1960–1971.
Nicholas Metropolis
Nicholas Metropolis (1915–1999) was an American physicist at Los Alamos who helped develop the Monte Carlo method, built the MANIAC computer, and lent his name to the Metropolis algorithm.
Nicholas P. Samios
Nicholas P. Samios is an American experimental particle physicist at Brookhaven National Laboratory, known for the 1964 discovery of the omega-minus baryon and for directing the laboratory from 1982 to 1997.
Nicholas Patrick Jewell
Nicholas Patrick Jewell is a statistician and biostatistician, a longtime UC Berkeley professor elected to the National Academy of Medicine in 2017 and known for work on infectious-disease trials.
Nicholas Read
Nicholas Read, born 1958, is a British-born American theoretical condensed matter physicist, the Henry Ford II Professor at Yale, known for the fractional quantum Hall effect and non-Abelian quasiparticles.
Nicholas T. Winograd
Nicholas T. Winograd, also known as Nicholas Winograd, is an American chemist who spent most of his career at Penn State, becoming Evan Pugh Professor in 1985 and retiring in 2020.
Nicholas Theophilou
Nicholas Theophilou, also spelled Nicolas Theophilou, is a scientist who co-developed with Herbert Naarmann a 1987 BASF method for highly conductive polyacetylene films, cited in the 2000 Nobel Prize background.
Nicholas V. Hud
Nicholas V. Hud is a biophysicist and origins-of-life chemist at Georgia Tech, where he joined the faculty in 1999 and directed the NSF/NASA Center for Chemical Evolution.
Nichols algebra
A Nichols algebra is a braided Hopf algebra generated by a braided vector space, introduced by Warren D. Nichols in 1978 as the braided analog of a symmetric algebra.
Nick Katz
Nicholas M. Katz, born in 1943 in Baltimore, is an American mathematician and Princeton professor known for work on exponential sums, L-functions, and monodromy over finite fields.
Nick Scoville
Nick Scoville, also known as Nicholas Z. Scoville, is a Caltech astronomer known for pioneering millimeter-wave CO observations of star-forming gas and founding the COSMOS survey.
Nick Zentner
Nick Zentner is an American geologist who has taught at Central Washington University since 1992 and hosts the Emmy-winning PBS series Nick on the Rocks.
Nickel
Nickel is a silvery-white, ferromagnetic transition metal, element 28 in the periodic table, valued for corrosion resistance and central to stainless steel, superalloys, and lithium-ion battery cathodes.
Nickel cobalt oxide
Nickel cobalt oxide (NiCo₂O₄), also called nickel cobaltite, is a mixed-valence inverse-spinel p-type semiconductor that conducts far better than NiO or Co₃O₄ and is widely studied for oxygen evolution electrocatalysis and supercapacitors.
Nickel compounds
Nickel compounds are chemical substances in which nickel bonds to nonmetallic elements or organic ligands, from simple salts like nickel sulfate to nickel carbonyl, and serve in electroplating, batteries, catalysis, and pigments.
Nickel diiodide
Nickel diiodide (NiI2) is a layered van der Waals transition-metal dihalide that orders antiferromagnetically below about 75 K and becomes multiferroic below about 60 K.
Nickel ferrite
Nickel ferrite (NiFe₂O₄) is a ferrimagnetic inverse spinel ceramic compound with high permeability, low magnetic losses, and high electrical resistivity, used in soft magnets, microwave absorption, catalysis, and energy storage.
Nickel hydride migratory hydrofunctionalization
Nickel hydride migratory hydrofunctionalization is a nickel-catalyzed reaction in which a nickel hydride walks along an alkene chain to install functional groups at distant C-H sites.