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Electrowinning
Electrowinning is an electrochemical metallurgy method that passes electric current through an electrolyte to deposit dissolved metals, such as copper or zinc, onto a cathode, typically after leaching.
Elefant
The Elefant, also known as the Elephant tank, was a heavy tank destroyer used by Germany in World War II, first serving as the Ferdinand at Kursk in 1943.
Eleftherios Terry Papoutsakis
Eleftherios Terry Papoutsakis is an American chemical engineer at the University of Delaware, elected to the National Academy of Engineering in 2018 for metabolic engineering.
Elektrik Üretim A.Ş.
Elektrik Üretim A.Ş. (EÜAŞ), Electricity Generation Corporation, is Turkey's state-owned power producer, created in 2001 from the split of TEAŞ and still the country's largest.
Elektro
Elektro is a seven-foot humanoid robot built by Westinghouse in Mansfield, Ohio, in 1937 for the 1939/1940 New York World's Fair, where it walked, talked, counted, and smoked.
Elektroprivreda BiH
Elektroprivreda BiH (EPBiH) is the largest electric utility in Bosnia and Herzegovina, a public joint-stock company in Sarajevo generating, distributing, and trading electricity in the Federation of BiH.
Elektroprivreda Srbije Beograd
Elektroprivreda Srbije is a state-owned, vertically integrated power company in Serbia. It is the largest entity and country's main lignite producer, generating about 70% of electricity.
Element UI
Element UI is an open-source component library for Vue.js 2.0 built by ele.me's frontend team, offering forms, tables, and dialogs for Vue 2 admin panels.
Element-free Galerkin method
The element-free Galerkin method is a meshfree numerical technique for solving partial differential equations using moving least squares interpolants, introduced by Belytschko, Lu, and Gu in 1994.
Elemental chlorine free
Elemental chlorine free (ECF) is a pulp bleaching method that replaces elemental chlorine with chlorine dioxide, eliminating most dioxin discharges; it dominates the bleached chemical pulp market.
Elemental Cognition
Elemental Cognition is a New York-based artificial intelligence company founded in 2015 by David Ferrucci, who led the IBM team that created Watson. It builds neuro-symbolic AI.
Elementary Data
Elementary Data (elementary-data.com) is a Tel Aviv-based data observability company founded in 2021 by Or Avidov and Maayan Salom, YC W22, offering an open-source dbt-native observability package and Elementary Cloud; acquired by Boomi in October 2026.
Elementary OS
elementary OS is a design-oriented, beginner-friendly Linux distribution based on Ubuntu's long-term support releases, built around the custom Pantheon desktop and the pay-what-you-can AppCenter store, first released in 2011.
Elementis
Elementis plc is a British specialty chemicals company producing hectorite-based rheology modifiers for coatings, personal care, and energy, listed on the London Stock Exchange in the FTSE 250.
Elements of AI
Elements of AI is a series of free online courses on artificial intelligence created by MinnaLearn, formerly Reaktor, and the University of Helsinki, with over 1.4 million students.
Elephant Butte Reservoir
Elephant Butte Reservoir is an irrigation and hydropower reservoir on the Rio Grande in New Mexico, begun in 1915 as the centerpiece of the federal Rio Grande Project.
Elephant gun
The elephant gun, also called an elephant rifle, is a large-bore rifle for stopping elephants and dangerous game, evolving from 19th-century muzzle loaders into Nitro Express doubles.
Elephant herding optimization
Elephant herding optimization (EHO) is a swarm-based metaheuristic algorithm for continuous global optimization, introduced in 2015, that mimics elephant herds led by a matriarch, with males separating from the group.
Elephant trunk manipulator (Elephant's Trunk robot)
The elephant trunk manipulator is a continuum robot arm built at Clemson University by Michael W. Hannan and Ian D. Walker, which bends smoothly along its whole length.
Elephant's Foot (Chernobyl)
The Elephant's Foot is a solidified lava-like mass of melted nuclear fuel, or corium, formed during the 1986 Chernobyl accident and discovered in fall 1986 beneath Reactor 4.
Elering
Elering is the Estonian electricity and gas transmission system operator, founded in 2010 through separation from Eesti Energia, and led Estonia's 2025 power grid synchronization with Continental Europe.
ELES
ELES, fully owned by the Republic of Slovenia, is the country's electricity transmission system operator. Founded in 1990 and based in Ljubljana, it operates the 110, 220, and 400 kV network.
Eletronorte
Eletronorte (Centrais Elétricas do Norte do Brasil) is a Brazilian electricity generation and transmission company, created by the federal government in 1973 to develop the Amazon region's power systems.
Eletronuclear
Eletronuclear, formally Eletrobrás Termonuclear S.A., is the Brazilian mixed-capital company that operates the Angra 1 and Angra 2 nuclear plants at Angra dos Reis, created in 1997.
Eletropaulo
Eletropaulo Metropolitana Eletricidade de São Paulo S.A. was a Brazilian electricity distributor serving greater São Paulo, created in 1981, privatized in 1998, and acquired by Enel in 2018.
EleutherAI
EleutherAI is a non-profit AI research collective founded in July 2020 by Connor Leahy, Sid Black, and Leo Gao, which released GPT-Neo, GPT-J, GPT-NeoX-20B, and The Pile dataset.
Eleutherna Bridge
Hellenistic corbel arch bridge at ancient Eleutherna (Ελεύθερνα), Crete, near Rethymno; limestone dry masonry, about 9 m long, 3.85 m span, damaged in 1883, preserved nearly complete.
Elevator
An elevator, also called a lift, is a vertical transport vehicle carrying passengers or goods between building floors, made practical by Elisha Otis's 1853 safety brake.
Elevator (aeronautics)
The elevator is the hinged surface on an aircraft's horizontal stabilizer used to control pitch, one of the three primary flight controls since the Wright brothers' 1902 glider.
Eleven Multilingual v2
Eleven Multilingual v2 is a text-to-speech and voice-cloning model released by ElevenLabs in August 2023, supporting 29 languages and still used as the quality reference in 2026.