All articles starting with G
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Grid fin
A grid fin, also called a lattice fin, is an aerodynamic control surface of small cells used to steer missiles and rockets during atmospheric flight.
Grid Finance
Grid Finance is a Dublin-based Irish fintech company founded by Derek Foley Butler around 2013 that lends working capital to micro and small businesses, pioneering merchant cash advances in Ireland.
Grid frequency
Grid frequency is the rate at which alternating current in a power system oscillates, 60 Hz in North America and 50 Hz in most of the world.
Grid method (experimental mechanics)
The grid method is a full-field optical technique in experimental mechanics that measures in-plane displacement and strain from images of a grid deposited on a deforming specimen.
Grid parity
Grid parity, also called socket parity, is the point at which solar electricity costs the same as or less than grid electricity, marking solar's economic competitiveness.
Grid plan
Grid plan: an orthogonal street layout of right-angle intersections forming rectangular blocks. Also called gridiron or Hippodamian plan. Known for high connectivity, walkability, and ancient Greek, Roman, and Spanish colonial use.
Grid search
Grid search is an exhaustive hyperparameter tuning method in machine learning: it evaluates every combination of specified parameter values by cross-validation and returns the best-scoring setting.
Grid-following inverter
A grid-following inverter is a power converter that synchronizes to the existing grid voltage and injects current, the dominant control for solar, wind, and battery inverters.
Grid-forming inverter
A grid-forming (GFM) inverter is a power converter that sets its own output voltage and frequency rather than following the grid, supporting stability in solar, wind, and battery plants.
Grid-Interactive Efficient Buildings
A grid-interactive efficient building (GEB) is an energy-efficient building that uses smart controls and on-site resources like solar and storage to adjust electricity use, helping the grid and cutting costs.
GRID® study
The GRID study, Decipher Genomics Resource for Intelligent Discovery, is an observational registry started in 2015 that links Decipher prostate cancer test RNA data with patient outcomes.
GridBeyond
GridBeyond, formerly Endeco Technologies, is a Dublin-headquartered smart energy company founded by Michael Phelan whose AI platform provides demand response, battery storage optimization, and virtual power plant services.
Gridded ion thruster
A gridded ion thruster is an electric propulsion device that accelerates ions through grids, first flown in space in 1964 and used on NASA's Deep Space 1 and Dawn.
Griddle
Griddle: a flat, smooth heated cooking surface for direct-contact cooking (plancha, flat top), from Latin craticula; used for pancakes, burgers, eggs; commercial units run 200-400 F.
Gridfinity
Gridfinity is an open-source modular storage system for 3D printing, created by Zack Freedman in 2022 around a 42 mm grid of baseplates and bins.
Gridiron Capital
Gridiron Capital is a middle-market private equity firm founded in 2005 in New Canaan, Connecticut, by Tom Burger and Gene Conese, investing in founder- and family-owned companies.
Gridiron Energy, LLC
Gridiron Energy, LLC is a Delaware holding company formed in 2017 as an acquisition vehicle for the power firm LS Power, raising $900 million in a single equity placement.
Gridiron football
Gridiron football: family of field sports (American and Canadian football) developed from rugby and soccer at North American universities in the late 19th century; Walter Camp created the scrimmage, 11-man teams, and the downs-and-distance rule.
Gridiron Gang
Gridiron Gang (2006) is a biographical sports drama directed by Phil Joanou, starring Dwayne Johnson as probation officer Sean Porter, based on the Kilpatrick Mustangs' 1990 season; grossed about $41.5 million worldwide.
Gridkiller
Gridkiller is the stage name of Tim Jonkman, a Dutch hardcore producer and DJ on Neophyte Records, whose debut single "Revenge" earned him a record deal in 2019.
Gridlock'd
Gridlock'd is a 1997 black comedy-drama, the directing debut of Vondie Curtis-Hall, starring Tupac Shakur and Tim Roth as addict musicians navigating detox bureaucracy in Detroit; released January 29, 1997 by Gramercy Pictures.
GridPoint
GridPoint is an American clean energy company founded in 2003 and headquartered in Arlington, Virginia, providing energy management and automated demand response software for commercial buildings.
Gridpoint Statistical Interpolation
The Gridpoint Statistical Interpolation (GSI) is a NOAA data assimilation system, developed at NCEP and operational since 2007, that generates initial conditions for weather forecast models.
Grief
Grief is the anguish after significant loss, usually a death; distinct from bereavement and mourning. Covers symptoms, theories (five stages, dual-process, continuing bonds), prolonged grief disorder in ICD-11/DSM-5-TR, and neurobiology.
Grief (photograph)
Grief (Grief, Kerch, Crimea) is a January 1942 photograph by Soviet photojournalist Dmitri Baltermants showing a grieving woman over executed civilians at Kerch, Crimea; first published in Ogonyok in March 1942 and reworked as a celebrated art print in the 1960s.
Griefer
Griefer: a multiplayer game player who deliberately disrupts others' play experience, also called grief play or griefing, a gaming form of trolling; methods include spawn camping, body blocking, and intentional feeding, punished by escalating bans.
Griess test
The Griess test is a colorimetric assay that detects nitrite by forming a red-violet azo dye, first reported in 1879 and widely used for water, food, and biological samples.
Grievance studies affair
The grievance studies affair, also called Sokal Squared, was a hoax by Peter Boghossian, James Lindsay, and Helen Pluckrose, whose flawed papers passed peer review in fields like gender studies.
Grievances of the United States Declaration of Independence
The 27 grievances against King George III form the evidentiary core of the US Declaration of Independence of July 4, 1776: their structure in four groups, Jefferson's sources, removed clauses, and their influence on the Constitution.
Grievous bodily harm
Grievous bodily harm (GBH) is really serious injury under sections 18 and 20 of the Offences against the Person Act 1861 in England and Wales, with maximum penalties of life and five years respectively.