42,772 articles
Hipparcos Catalogue
The Hipparcos Catalogue, also called the HIP catalog, is a star catalog of 118,218 entries with positions, parallaxes, and proper motions, published by ESA in 1997.
Hippasus (ππασος)
Hippasus of Metapontum was an early Pythagorean philosopher active in the first half of the fifth century BCE, known for music theory and legends of a divulged secret.
Hippocamp (moon)
Hippocamp, also designated S/2004 N 1 and Neptune XIV, is the smallest known inner moon of Neptune, a roughly 34-kilometer-wide body discovered by Mark Showalter in 2013.
Hippopotamus optimization
Hippopotamus optimization, also known as the hippopotamus optimization algorithm, is a nature-inspired metaheuristic that mimics hippopotamus behaviors to solve continuous optimization problems, introduced by Mohammad Hussein Amiri and colleagues in Scientific Reports in 2024.
Hippuric acid
Hippuric acid, also called N-benzoylglycine, is an N-acylglycine formed when benzoic acid is conjugated with glycine and excreted in urine as a normal dietary metabolite and the principal urinary metabolite of toluene.
Hirado ware
Hirado ware, also known as Mikawachi ware (三川内焼), is Japanese porcelain made at the Hirado domain kilns in Nagasaki Prefecture, famous for its thin pure-white body and delicate underglaze blue.
HiRes
HiRes (High Resolution Fly's Eye) was a cosmic ray observatory at Dugway Proving Ground, Utah, that operated from 1997 to 2006 and first observed the GZK suppression.
HIRLAM
HIRLAM, the High Resolution Limited Area Model, is a numerical weather prediction system run by the meteorological services of ten European countries, first operational in 1990.
Hiroaki Misawa
Hiroaki Misawa (三澤 弘明) is a Japanese photochemist and laser engineer, professor at Hokkaido University's Research Institute for Electronic Science, known for femtosecond laser processing and plasmonic water splitting.
Hirohisa Ohmiya
Hirohisa Ohmiya (大宮 寛久) is a Japanese organic chemist and Kyoto University professor known for radical-polar crossover and NHC organocatalysis, and winner of the 2021 Mukaiyama Award.
Hiroki Ago
Hiroki Ago (吾郷浩樹) is a Japanese physicist and materials scientist at Kyushu University known for CVD growth of graphene and hBN and for leading Japan's 2.5D materials program.
Hiromi Yamashita
Hiromi Yamashita (山下弘巳) is a Japanese materials chemist and professor at Osaka University since 2004, known for single-site and plasmonic photocatalysts and a 2012 self-cleaning TiO2 coating.
Hiroo Inokuchi
Hiroo Inokuchi (井口洋夫) was a Japanese chemist who showed that organic compounds can conduct electricity, proposed the concept of the organic semiconductor, and won the 2007 Kyoto Prize.
Hiroo Kanamori
Hiroo Kanamori, born in Tokyo in 1936, is a Japanese-American geophysicist and Caltech professor emeritus who introduced the moment magnitude scale and earthquake early warning, winning the 2007 Kyoto Prize.
Hiroshi Amano
Hiroshi Amano (天野浩), born in 1960 in Hamamatsu, Japan, is a Japanese materials scientist who shared the 2014 Nobel Prize in Physics for inventing efficient blue LEDs.
Hiroshi Haruki
Hiroshi Haruki (春日) was a Japanese mathematician who worked on functional equations and mean-value properties of harmonic and analytic functions; his 'square' equation was cited as Haruki's functional equation by 1968.
Hiroshi Imahori
Hiroshi Imahori (今堀 博) is a Japanese photochemist and materials chemist, a professor at Kyoto University since 2002, known for artificial photosynthesis and porphyrin solar cells.
Hiroshi Kageyama
Hiroshi Kageyama (陰山 洋) is a Japanese solid-state chemist, professor in Kyoto University's Department of Energy and Hydrocarbon Chemistry since 2010, known for mixed-anion compounds, perovskite oxyhydrides, and low-dimensional quantum magnets.
Hiroshi Kitagawa
Hiroshi Kitagawa (北川 宏) is a Japanese solid-state chemist and professor at Kyoto University since 2009, known for forcing immiscible metals into alloy nanoparticles for catalysts and hydrogen storage.
Hiroshi Matsui
Hiroshi Matsui is a chemist and Professor at Hunter College, CUNY, working in bionanotechnology, known for peptide-based nanotubes, peptide-powered nanomotors, and iron oxide nanocages that deliver anticancer drugs.
Hiroshi Nakatsuji
Hiroshi Nakatsuji (中辻 博, born 1943 in Osaka) is a Japanese theoretical chemist at Kyoto University known for the SAC, SAC-CI, and free complement methods.
Hiroshi Nishihara
Hiroshi Nishihara (西原 寛) is a Japanese coordination chemist and electrochemist, a University of Tokyo emeritus professor now at Tokyo University of Science, known for coordination programming and coordination nanosheets.
Hiroshi Ohmoto
Hiroshi Ohmoto is a geochemist and Professor Emeritus at Pennsylvania State University known for challenging the standard account of an oxygen-poor early Earth atmosphere using sulfur isotopes.
Hiroshi Okamoto
Hiroshi Okamoto (岡本 博) is a Japanese condensed matter physicist and professor at the University of Tokyo known for photoinduced phase transitions studied with femtosecond and terahertz spectroscopy.
Hiroshi Shinokubo
Hiroshi Shinokubo (忍久保 洋) is a Japanese organic chemist and professor at Nagoya University since 2008, known for the gram-scale synthesis of stable antiaromatic norcorrole and stacked antiaromatic porphyrins.
Hiroshi Sugiyama
Hiroshi Sugiyama (杉山 弘) is a Japanese chemical biologist and Kyoto University professor known for pyrrole-imidazole polyamide artificial genetic switches and DNA origami nanotechnology studied by high-speed AFM.
Hiroshi Tanaka (mathematician)
Hiroshi Tanaka (田中博) is a Japanese mathematician who works in probability theory, especially Brownian motion and diffusion in random media, and is a Keio University emeritus professor.
Hirosi Ooguri (大栗博司)
Hirosi Ooguri (大栗博司), born 1962, is a Japanese theoretical physicist, the Fred Kavli Professor at Caltech, known for the OSV conjecture relating black hole entropy to topological string theory.
Hirotugu Akaike
Hirotugu Akaike (赤池弘次) was a Japanese statistician at the Institute of Statistical Mathematics in Tokyo who formulated the Akaike Information Criterion, published in 1973 and 1974, and received the 2006 Kyoto Prize.
Hiroyuki Furuta
Hiroyuki Furuta (古田弘幸) is a Japanese organic chemist known for discovering N-confused porphyrin in 1994 and building near-infrared dyes on it; he is Emeritus Professor at Kyushu University.