61,984 articles
Chocolatey
Chocolatey is a Windows package manager built on NuGet and PowerShell that installs software, often by wrapping existing installers; its community repository has served 4 billion installs.
Choctaw Mine
Choctaw Mine is a surface bituminous coal mine near Parrish in Walker County, Alabama, producing metallurgical and thermal coal until mining wound down after early 2023.
Choe Hyon-class destroyer
The Choe Hyon-class destroyer (최현급) is a class of approximately 5,000-ton guided-missile destroyers built for the Korean People's Navy of North Korea, its largest surface combatants.
Choke (electronics)
A choke, also known as a choke coil or filter choke, is an inductor designed to block high-frequency currents while passing DC and low-frequency AC with little opposition.
Choke (firearms)
A choke, also called a choke tube, is a constriction at a shotgun's muzzle that controls how tightly the shot charge spreads, in sizes from cylinder to full.
Choke valve
A choke valve is a severe-service flow-restricting valve installed at a wellhead or pipeline that controls flow rate, holds backpressure on the reservoir, and withstands abrasive multiphase well fluids.
Chokecherry And Sierra Madre Wind Energy Project
The Chokecherry and Sierra Madre Wind Energy Project is a proposed wind power complex of up to 1,000 turbines south of Rawlins, Wyoming, designed to generate 3,000 megawatts.
Chokutō (直刀)
Chokutō (直刀), also called jōkotō (上古刀), is the Japanese term for straight swords made in Japan before the curved tachi, mainly from the Kofun period through the Nara period.
Cholec80
Cholec80 is a public dataset of 80 laparoscopic cholecystectomy surgery videos from 13 surgeons, annotated frame by frame and used as the standard benchmark for surgical phase recognition.
CholecSeg8k
CholecSeg8k is an open dataset of 8,080 frames from 17 clips of the Cholec80 gallbladder surgery video dataset, pixel-annotated for 13 classes and released on arXiv in December 2020.
Cholla Generating Station
Cholla Generating Station, also called the Cholla Power Plant, is an Arizona Public Service power station near Joseph City, Arizona, that stopped burning coal in 2025.
CHOMP trajectory optimization
CHOMP (Covariant Hamiltonian Optimization for Motion Planning) is a gradient-based trajectory optimization method for robot motion planning, introduced in a 2009 ICRA paper by Nathan Ratliff, Matt Zucker, and colleagues.
Chongmin Wang
Chongmin Wang is a materials scientist at Pacific Northwest National Laboratory known for developing in situ electron microscopy that lets researchers watch lithium battery electrodes react during operation.
Chongqing Cummins Engine Company
Chongqing Cummins Engine Company (重庆康明斯发动机有限公司), known as CCEC, is a Chinese high-horsepower diesel engine manufacturer and a 50:50 joint venture between Cummins Inc. and CQME, established in 1995 in Chongqing.
Chongqing Gas Pipeline Network
The Chongqing Gas Pipeline Network (重庆输气管网) is the natural gas pipeline system of Chongqing Municipality, China, connecting local gas fields, shale gas production, storage, and national trunk lines.
Chongqing Jiangbei International Airport
Chongqing Jiangbei International Airport is the main international airport of Chongqing, China, located 21 kilometers northeast of downtown and, since 2025, operating four runways and four terminals.
Chongqing Relocation power station
The Chongqing Relocation power station (神华国能重庆发电厂搬迁新址项目) is a coal-fired power station in Guanba, Wansheng, Chongqing, China, with two 660 MW ultra-supercritical units operational by 2023.
Chongqing Sanfeng Environment Group
Chongqing Sanfeng Environment Group, known as Sanfeng Environment (三峰环境), is a Chinese state-owned company in Chongqing that builds and operates municipal waste-to-energy plants, with technology and equipment used in some 268 projects worldwide.
Chongqing Wanzhou power station
Chongqing Wanzhou power station (国能万州电厂) is a coal-fired power station in Wanzhou, Chongqing, China, operating two ultra-supercritical units since 2015, with two more under construction.
Chongwu Zhou
Chongwu Zhou is a professor of electrical and computer engineering at the University of Southern California, known for early carbon nanotube chemical sensors and elected a National Academy of Inventors Fellow in 2023.
Choongho Yu
Choongho Yu is a materials scientist and professor of mechanical engineering at Texas A&M University, known for carbon nanotube thermoelectric fabrics, battery electrodes, and fuel-cell catalysts.
Choosing by advantages
Choosing by Advantages (CBA) is a decision-making system, developed by civil engineer Jim Suhr, that bases decisions on the importance of advantages rather than the weights of factors.
Chooz nuclear power plant
The Chooz nuclear power plant is a French nuclear plant in the Ardennes on the Meuse river, with two 1,450 MWe reactors in service since 1996 and 1997.
Chopard
Chopard is a Swiss manufacturer of luxury watches, jewelry, and accessories, founded in 1860 by Louis-Ulysse Chopard in Sonvilier, and known for the Cannes Film Festival's Palme d'Or.
Chopper (electronics)
In electronics, a chopper is a switching circuit that periodically interrupts a signal or supply voltage, either converting fixed DC to a controllable DC output or enabling low-drift amplification.
Chopper (motorcycle)
A chopper is a custom motorcycle, typically based on a cruiser, whose owners chop off superfluous parts and alter frame geometry for an elongated look, popularized by Easy Rider.
Chord Energy Corp
Chord Energy Corp is an American oil and gas company formed in 2022 from the merger of Oasis Petroleum and Whiting Petroleum, operating in the Williston Basin.
Chorded keyboard
A chorded keyboard, also called a chording keyboard or keyset, is an input device on which characters are entered by pressing several keys together, used in stenotype machines and wearable computing.
Chornobyl exclusion zone waste facilities
The Chornobyl exclusion zone waste facilities are storage, treatment, and disposal sites inside the Chornobyl Exclusion Zone that manage radioactive waste from the 1986 accident and plant decommissioning.
Chorus (New Zealand)
Chorus Limited is New Zealand's largest wholesale fixed-line telecommunications provider, created when Telecom New Zealand demerged in 2011 and now holding about 75 percent of the country's fiber footprint.