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Holographic imaging
Holographic imaging, also known as millimeter-wave holographic imaging, records a wave's interference pattern to preserve amplitude and phase, reconstructing 3D images for security screening and sensing.
Holographic weapon sight
A holographic weapon sight, also called a holographic sight, is an electro-optic firearm sight using a laser-illuminated hologram to project a reticle, introduced commercially in 1996.
Holosun
Holosun is an American optics company founded in 2013 and based in City of Industry, California, making red dot sights, lasers, and magnifiers manufactured in China.
Holston Army Ammunition Plant
Holston Army Ammunition Plant (HSAAP) is a government-owned, contractor-operated U.S. Army facility in Kingsport, Tennessee, founded in 1942 as the Holston Ordnance Works, today the Army's major supplier of RDX, HMX, and IMX high explosives.
Holt Ashley
Holt Ashley (1923–2006) was an American aeronautical engineer and Stanford professor known for aeroelasticity, elected to the National Academy of Engineering in 1970 and awarded the 2003 Daniel Guggenheim Medal.
Holy Name Cathedral (Chicago)
Holy Name Cathedral, Chicago's Catholic cathedral at 735 N. State St., seat of the Archdiocese of Chicago; Gothic Revival building by Patrick C. Keely, dedicated 1875 after the Great Chicago Fire, renovated 1888-93, 1914, 1968-69, and 2008-09.
Holybro
Holybro is a Chinese electronics company founded in 2014 and based in Shenzhen, best known for its Pixhawk flight controllers, GPS systems, and telemetry radios.
Holyhead Breakwater
The Holyhead Breakwater is a Victorian stone breakwater about 2.4 km long at Holyhead, Anglesey, Wales, built between 1848 and 1873 as a harbor of refuge.
Holyrood Palace
Holyrood Palace, formally the Palace of Holyroodhouse, is the official residence in Scotland of the reigning monarch, at the end of Edinburgh's Royal Mile beneath Arthur's Seat.
Homa Gas Field
The Homa Gas Field is an onshore natural gas field in Fars province, southern Iran, discovered in 2000, producing sweet gas and condensate since 2006 for the national network.
Homburg (hat)
The homburg is a formal men's felt hat with a creased crown, first made in Bad Homburg, Germany, in the 1880s and popularized by Edward VII.
Home
A home is a dwelling place, typically a house or apartment, serving as a household's residence and center of daily life, with social, legal, and cultural meaning.
Home appliance
A home appliance, also known as a household or electrical appliance, is a device for household functions such as cooking, food preservation, cleaning, and laundry.
Home Assistant
Home Assistant is a free, open-source home automation platform started in 2013 by Paulus Schoutsen, owned by the non-profit Open Home Foundation and reported to automate over a million homes.
Home automation
Home automation, also called domotics or a smart home, uses interconnected IoT devices to automatically control lighting, heating, locks, and appliances for comfort, security, and energy efficiency.
Home Care Dental Devices
Home Care Dental Devices (Dental Devices, Home Care): toothbrushes, dental floss, interdental brushes, and water irrigators used at home to maintain dental and periodontal health; powered brushes cut plaque 11-21% versus manual.
Home Children
Home Children were impoverished and orphaned British children sent to Canada, mainly between 1869 and 1932, to work as farm laborers and domestic servants under emigration schemes.
Home computer
A home computer is a consumer-oriented microcomputer designed and priced for household use, emerging in 1977 with the Apple II, TRS-80, and Commodore PET and flourishing in the 1980s.
Home Energy Rating System
The Home Energy Rating System (HERS) is a standardized method for measuring a home's energy efficiency, using the HERS Index where 100 is a 2006-code reference home and 0 is net zero.
Home eNodeB
A Home eNodeB, also called an LTE femtocell, is a low-power indoor base station covering 10 to 50 meters and serving a handful of users over broadband.
Home freeze dryer
A home freeze dryer is a household appliance that preserves food by freezing it and removing water by sublimation under vacuum, producing shelf-stable food that keeps for years.
Home improvement
Home improvement, also known as home renovation, is the renovating, repairing, remodeling, or adding to of a residential property, either do-it-yourself or through contractors, a multibillion-dollar industry in North America.
Home Insurance Building
The Home Insurance Building was a 10-story Chicago office building completed in 1885, designed by William Le Baron Jenney and widely called the first skyscraper for its metal skeleton frame.
Home Location Register
The Home Location Register (HLR) is the central subscriber database of a GSM or UMTS mobile network, holding subscriber data and enabling call routing and roaming with the VLR.
Home Node B
A Home Node B (HNB) is the 3GPP term for a 3G femtocell, a home base station connecting mobile handsets to an operator's core network over broadband internet.
Home theater PC
A home theater PC (HTPC), also called a media center computer, is a personal computer connected to a television or home theater system to play media and often record TV.
Homebuilt aircraft
A homebuilt aircraft, also called an amateur-built aircraft or kitplane, is a plane built by amateurs from plans or kits rather than a certified manufacturer.
HomeKit
HomeKit is Apple's smart home framework, built into iOS and macOS, for controlling and automating certified accessories such as lights, locks, thermostats, and cameras through the Home app.
Homelite
Homelite is an American brand of outdoor power equipment, including chainsaws, string trimmers, and blowers, now owned by Techtronic Industries and based in Anderson, South Carolina.
Homer City Generating Station
The Homer City Generating Station was a 2 GW coal-fired power plant in Indiana County, Pennsylvania, that operated from 1969 to 2023 and was Pennsylvania's largest coal plant.