edgepedia

Technology and the built world

61,984 articles

EDISON (EV project)

EDISON was a Danish research project, running from 2009 to 2011, that developed smart-charging and vehicle-to-grid technology for electric vehicles and demonstrated it on the island of Bornholm.

Edison cylinder phonograph

The Edison cylinder phonograph is a family of sound-recording machines introduced by Thomas Edison in 1877 and made until 1929, recording sound as vertical grooves on wax and celluloid cylinders.

Edison Disc Record

The Edison Disc Record, sold as the Edison Diamond Disc, is an audio disc record made by Thomas A. Edison, Inc. from 1911 to 1929, played only on Edison phonographs.

Edison Electric Institute

The Edison Electric Institute (EEI) is the trade association representing all U.S. investor-owned electric companies, whose members serve nearly 250 million Americans. Founded in 1933, it is headquartered in Washington, D.C.

Edison International

Edison International is a California-based holding company whose principal subsidiary, Southern California Edison, serves about 5.28 million electric customers across central, coastal, and southern California.

Edison Motors

Edison Motors Ltd. is a privately owned Canadian clean technology company in Donald, British Columbia, founded in 2021 by loggers Chace Barber and Eric Little to build diesel-electric hybrid trucks.

Edison Records

Edison Records was the record label of Thomas Edison's phonograph companies, which made cylinder records from the late 1880s and Diamond Disc records from 1912 until recording ceased in 1929.

Edison screw

The Edison screw, also known as the Edison base, is the threaded lamp cap and socket system, introduced by Thomas Edison in 1880, used to secure light bulbs.

Edit distance

Edit distance, also called Levenshtein distance, measures how different two strings are through the minimum number of character insertions, deletions, and substitutions needed to transform one into the other.

Editor war

The editor war, also known as Emacs vs. vi, is the long-running, mostly humorous dispute among programmers over whether vi or Emacs is the better Unix text editor.

Edits (app)

Edits is a free mobile video-editing app from Meta for short-form video creators, announced in January 2025 and released globally for iOS and Android in April 2025.

EDM (elucidating diffusion models)

EDM (elucidating diffusion models) is a 2022 framework by Karras et al. of NVIDIA that reorganizes diffusion model sampling, training, and preconditioning into a clearly separated design space.

Edmodo

Edmodo.com was a free social learning network and learning management system for K-12 schools, founded in 2008, known as "Facebook for schools," and shut down in 2022.

Edmond de Belamy

Edmond de Belamy is a 2018 portrait generated by a GAN and printed on canvas by the Paris collective Obvious, sold at Christie's New York for $432,500.

Edmonds–Karp algorithm

The Edmonds–Karp algorithm is a polynomial-time method for computing maximum flow, published by Jack Edmonds and Richard M. Karp in 1972, with O(m²n) running time independent of capacities.

Edmonton International Airport

Edmonton International Airport, also known as YEG, is the main airport serving Edmonton, Alberta, Canada. Opened in 1960, it is Canada's fifth-busiest airport by passenger traffic.

Edmund Bacon (architect)

Edmund Norwood Bacon (1910–2005) was an American architect and city planner who, as head of Philadelphia's planning commission from 1949 to 1970, directed the city's postwar redevelopment and wrote Design of Cities.

Edmund M. Clarke

Edmund M. Clarke was an American computer scientist at Carnegie Mellon University who co-founded model checking, an automated method for finding design errors, and shared the 2007 Turing Award.

Edmund Pettus Bridge

The Edmund Pettus Bridge is a 1940 bridge across the Alabama River at Selma, Alabama, where the 1965 Bloody Sunday march attack spurred the Voting Rights Act.

Edo Castle (江戸城)

Edo Castle (江戸城), also called Chiyoda Castle, was the Tokyo residence of the Tokugawa shoguns, the largest castle in Japanese history, now the Imperial Palace grounds.

Edop Oil and Gas Field

Edop is an offshore oil and gas field in Nigeria's Niger Delta, discovered by Mobil in 1981 and operated by ExxonMobil within OML 67 off Akwa Ibom State.

Edop-Qua Iboe Terminal Oil Pipeline

The Edop-Qua Iboe Terminal Oil Pipeline is a 48-kilometer, 24-inch crude oil pipeline running from the Edop offshore field in the Bight of Biafra to the Qua Iboe Terminal in Akwa Ibom state, Nigeria.

EDP (Portuguese company)

EDP, formally EDP – Energias de Portugal, is a Portuguese electric utility headquartered in Lisbon that generates and supplies electricity, with networks in Portugal, Spain, and Brazil and renewables through EDP Renewables.

EDP Renewables

EDP Renewables (EDPR), formally EDP Renováveis, S.A., is a renewable energy developer headquartered in Madrid and majority owned by Portugal's EDP, with 20.4 GW of installed capacity.

Edrington

Edrington is a privately owned international spirits company headquartered in Glasgow, Scotland, best known for The Macallan single malt Scotch whisky and owned principally by the charitable Robertson Trust.

EDSAC

EDSAC, the Electronic Delay Storage Automatic Calculator, was an early stored-program computer built at the University of Cambridge under Maurice Wilkes, first run in May 1949.

Edsel

The Edsel, also called the Ford Edsel, was a car marque made by Ford Motor Company for the 1958 to 1960 model years and named for Edsel B. Ford.

Edsel D. Dunford

Edsel Delano (Ed) Dunford (1935–2008) was an American aerospace engineer and executive who led TRW's satellite programs, including Pioneer 10 and Milstar, and became TRW's president in 1991.

Edsel Ford

Edsel Ford, full name Edsel Bryant Ford, was the only child of Henry Ford and president of the Ford Motor Company from 1919 until his death in 1943.

Edsel Ford II

Edsel Ford II, born 1948 in Detroit, is an American executive and great-grandson of Henry Ford who spent 33 years as a Ford Motor Company director.