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Technology and the built world

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Chia-Hui power station

Chia-Hui power station (嘉惠电厂, also romanized Chiahui) is a natural gas-fired combined-cycle power plant in Minxiong, Chiayi County, Taiwan, opened in 2003 with 670 MW.

Chia-Shun Yih

Chia-Shun Yih (1918–1997) was a Chinese-born fluid mechanician at the University of Michigan, known for the theory of stratified flows and the Yih transformation, and elected to the National Academy of Engineering in 1980.

Chiang C. Mei

Chiang C. Mei (梅强中) was a Chinese-American hydrodynamicist at MIT for 45 years who wrote influential books on ocean surface waves and was elected to the National Academy of Engineering in 1986.

Chiang Wei-shui Memorial Freeway

The Chiang Wei-shui Memorial Freeway (蒋渭水高速公路) is the official name of National Freeway 5, a freeway in northern Taiwan linking Taipei with Yilan through the 12.9-kilometer Hsuehshan Tunnel, opened in 2006.

Chiappa Rhino

The Chiappa Rhino is a six-shot revolver made by Italian manufacturer Chiappa Firearms since 2010, firing from the bottom chamber of its cylinder to reduce muzzle rise.

Chiba thermal power station

The Chiba thermal power station (千葉火力発電所) is an LNG-fired power station in Chiba City, Japan, owned by TEPCO and operated under JERA, with an output of 4,380 MW.

Chicago "L"

The Chicago "L", short for elevated, is Chicago's rapid transit system, run by the Chicago Transit Authority and known for the elevated Loop encircling downtown.

Chicago and North Western Transportation Company

The Chicago and North Western Transportation Company was an employee-owned holding company that operated the Chicago & North Western Railway from 1972 until Union Pacific bought it in 1995.

Chicago Area Transportation Study

The Chicago Area Transportation Study (CATS) was the metropolitan planning organization for northeastern Illinois from 1955 to 2006, producing long-range plans and pioneering computer-based travel forecasting methods.

Chicago Citygate

Chicago Citygate is the natural gas pricing hub for gas delivered to local utilities in metropolitan Chicago, where seven major interstate pipelines converge and prices normally track Henry Hub.

Chicago Coliseum

The Chicago Coliseum was a succession of large indoor arenas in Chicago, best known for the 1900 Wabash Avenue hall that hosted five Republican National Conventions from 1904 through 1920.

Chicago Loop flood (1992)

The Chicago Loop flood of 1992 began on April 13, when river water poured through a breached freight tunnel, flooding the Loop and forcing about 200,000 workers to evacuate.

Chicago Pile-1

Chicago Pile-1 (CP-1) was the world's first nuclear reactor, built under Stagg Field at the University of Chicago and directed by Enrico Fermi as part of the Manhattan Project.

Chicago School (architecture)

The Chicago School is a style of late 19th-century American commercial architecture centered in Chicago's Loop, combining steel frames, large windows, and minimal ornament in the first skyscrapers.

Chicago Spire

The Chicago Spire, originally the Fordham Spire, was an unbuilt 2,000-foot, 150-story twisting residential tower designed by Santiago Calatrava for Chicago's lakefront, abandoned in 2008 after funding ran out.

Chicago Stadium

Chicago Stadium was an indoor arena on West Madison Street in Chicago, opened in 1929 and home to the Blackhawks and Bulls until its demolition in 1995.

Chicago Transit Authority

The Chicago Transit Authority (CTA) is an independent government agency, created by Illinois in 1945, that operates Chicago's buses and the "L" rail system and 35 suburbs' transit.

Chicago Tunnel Company

The Chicago Tunnel Company, also known as the Chicago Freight Subway, ran a narrow-gauge electric freight railroad in tunnels under downtown Chicago from 1906 to 1959.

Chicago Union Station

Chicago Union Station is the principal passenger railroad terminal of Chicago, opened in 1925 at 255 South Canal Street and now Amtrak's busiest National Network hub.

Chicago Water Tower

The Chicago Water Tower is an 1869 castellated Gothic Revival limestone tower on North Michigan Avenue in Chicago, designed by William W. Boyington to house a 138-foot standpipe.

Chicane

A chicane is a traffic-calming feature of alternating curves or lane shifts forcing motorists out of a straight path, cutting speeds by about 12 mph in UK trials.

Chichimene Oil and Gas Field

Chichimene is a heavy-oil field in Colombia's Llanos Orientales basin in Meta department, discovered in 1969 and operated by Ecopetrol as a testing ground for in-situ combustion.

Chickamauga Dam

Chickamauga Dam is a Tennessee Valley Authority hydroelectric dam on the Tennessee River about 7 miles northeast of Chattanooga, built between 1936 and 1940 for flood control.

Chicken coop (trucker slang)

Chicken coop, often shortened to coop, is CB radio slang for a truck weigh station where commercial trucks pull in for weight checks and safety inspections.

Chicken gun

A chicken gun, also called a chicken cannon, is a compressed-air cannon that fires bird carcasses at aircraft components at flight speeds to test bird-strike resistance for certification.

Chicken Ranch (Nevada)

The Chicken Ranch is a licensed brothel in Pahrump, Nevada, about 60 miles west of Las Vegas, opened in 1976 and named for the famous Texas brothel.

Chicoasén Dam

Chicoasén Dam, officially the Manuel Moreno Torres Dam, is a hydroelectric dam on the Grijalva River in Chiapas, Mexico, opened in 1981 with the country's tallest dam curtain.

Chicontepec Field

Chicontepec Field, also called the Chicontepec Paleochannel, is a giant onshore tight oil field in Veracruz and Puebla, Mexico, holding one of Mexico's largest volumes of oil in place yet recovering under one percent.

Chief data officer

Chief data officer (CDO): also chief data and analytics officer (CDAO), a senior executive responsible for data utilization and governance. First appointed at Capital One in 2002; spread from banking to most industries and government, with data governance and AI now its top priorities.

Chief Digital and Artificial Intelligence Office

The Chief Digital and Artificial Intelligence Office (CDAO) is a United States Department of Defense organization for adopting data, analytics, and artificial intelligence, established in 2022.