42,772 articles
Gaussian wave packet
A Gaussian wave packet is a quantum state whose wave function is a Gaussian times a plane-wave phase, uniquely satisfying minimum uncertainty; free packets spread over time.
Gautam R. Desiraju
Gautam R. Desiraju, born 1952, is an Indian chemist at the Indian Institute of Science, Bengaluru, a founder of crystal engineering who introduced the supramolecular synthon.
GaV4S8
GaV4S8, gallium vanadium sulfide, is a multiferroic semiconductor of the lacunar spinel family, known as the first bulk crystal in which a Néel-type skyrmion lattice was discovered in 2015.
Gavin A. Schmidt
Gavin A. Schmidt is a climatologist and climate modeler who has directed NASA's Goddard Institute for Space Studies in New York since 2014 and co-founded RealClimate.
Gavin E. Crooks
Gavin E. Crooks is an English chemist working in America on nonequilibrium thermodynamics and the physics of information, known for the 1999 Crooks fluctuation theorem.
Gavin Hayes
Gavin Hayes is an American seismologist and geophysicist at the U.S. Geological Survey, known for the Slab2 model of subduction zones and the 2012 PECASE award.
Gavin Salam
Gavin P. Salam is a theoretical particle physicist and professor at Oxford whose work centers on quantum chromodynamics for LHC measurements; he invented the anti-k_t jet algorithm in 2008.
Gay-Lussac's law
Gay-Lussac's law, also called Amontons' law, is a gas law stating that the pressure of a fixed amount of gas at constant volume is directly proportional to its kelvin temperature.
GBS 1900+14
SGR 1900+14 is a soft gamma-ray repeater, a magnetar in the constellation Aquila about 20,000 light years away, best known for the giant gamma-ray flare of August 1998 that ionized Earth's ionosphere.
GCAM (integrated assessment model)
GCAM (the Global Change Analysis Model) is an open-source integrated assessment model linking energy, water, agriculture and land use, the economy, and climate, developed at the Joint Global Change Research Institute.
GCD domain
A GCD domain, also known as an HCF domain, is an integral domain in which every pair of elements has a greatest common divisor, a generalization of unique factorization domains.
GCIRS 16
GCIRS 16, also written IRS 16, is a complex of about 20 luminous blue helium stars in the central parsec of the Milky Way, near the black hole Sagittarius A.
GCIRS 7
GCIRS 7, also written IRS 7, is a pulsating M1 red supergiant at the center of the Milky Way, 5.5 arcseconds north of Sagittarius A, the central black hole.
GCl 17
GCl 17, also known as Palomar 4, is a sparse, low-density globular cluster in the outer halo of the Milky Way, in Ursa Major, about 350,000 light-years away.
GD 153
GD 153 is a hot, hydrogen-atmosphere white dwarf about 68.6 parsecs from the Sun, one of three primary standards anchoring the Hubble Space Telescope's absolute flux calibration.
GD 356
GD 356, also WD 1639+537, is a cool, magnetic white dwarf in Draco whose hydrogen lines show only in emission; it remained the only such star for 35 years.
GD 71
GD 71 (WD 0459+158) is a hot, hydrogen-atmosphere white dwarf in Taurus, cataloged in 1965 and one of the three primary standards for Hubble's absolute flux scale.
GD-1
GD-1 is a long, thin stellar stream in the Milky Way's halo, discovered in 2006 and believed to be the debris of a disrupted globular cluster.
GDB-17
GDB-17 is a computer-generated chemical database enumerating 166.4 billion possible organic molecules of up to 17 heavy atoms, reported by the Reymond group in 2012.
GdFeCo
GdFeCo is an amorphous ferrimagnetic alloy of gadolinium with iron and cobalt, the prototypical material for all-optical switching, where single femtosecond laser pulses reverse its magnetization within picoseconds.
GE Research Laboratory
The GE Research Laboratory, founded by General Electric in Schenectady, New York, in 1900, was the first industrial research laboratory in the United States and grew into GE's Global Research Center.
Ge2Sb2Te5
Ge2Sb2Te5, commonly abbreviated GST or GST225, is a germanium-antimony-tellurium chalcogenide alloy and the prototypical phase-change material, used in DVD-RW, Blu-ray Discs, and phase-change memory, including storage-class memory and neuromorphic computing research.
Ge2Sb2Te5 phase-change metasurfaces
Ge2Sb2Te5 phase-change metasurfaces are planar optical devices built with the alloy Ge2Sb2Te5 (GST), which can be reversibly switched between amorphous and crystalline states to rewrite the surface's optical function.
Gear train
A gear train is a set of meshing gears that transmit torque or power between shafts, changing speed, torque, or direction; they appear in vehicle transmissions, robots, and clocks.
GECAM
GECAM (Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor; Chinese name 极目) is a pair of Chinese microsatellites launched in 2020 to monitor the whole sky in X-rays and soft gamma rays for gamma-ray bursts.
Gede-Pangrango
Gede-Pangrango: twin stratovolcanoes (Gede 2,958 m, Pangrango 3,019 m) 60 km south of Jakarta, West Java, last erupting in 1957; their rain forest forms Gunung Gede Pangrango National Park, a major hiking and biodiversity destination.
Gédéon Dagan
Gedeon Dagan, born in Romania in 1932, is an Israeli hydrogeologist and Tel Aviv University professor emeritus, founder of stochastic subsurface hydrology and winner of the 1998 Stockholm Water Prize.
Geert-Jan Boons
Geert-Jan Boons is a chemical biologist and glycoscientist, professor at the University of Georgia and Utrecht University, known for chemoenzymatic methods that make complex glycans accessible in pure form.
Geert–Jan Kroes
Geert-Jan Kroes (born 1961) is a Dutch theoretical chemist and full professor at Leiden University, known for computer simulations of molecule–surface reaction dynamics and SRP-DFT.
Gefitinib
Gefitinib, sold as Iressa, is an orally active EGFR tyrosine kinase inhibitor developed by AstraZeneca, approved in 2002 and used to treat non-small-cell lung cancer.