Technology and the built world

Effluent

Effluent is wastewater that has been processed or partially processed and released into the environment, from domestic sewage, industrial discharge, or agricultural runoff, and is governed by treatment standards such as US secondary limits.

Effusion cooling

Effusion cooling, also called full-coverage or multi-hole film cooling, protects gas turbine combustor liners and blades by bleeding cooling air through dense arrays of small holes.

Efi Foufoula-Georgiou

Efi Foufoula-Georgiou is a hydrologist, Distinguished Professor of Civil and Environmental Engineering at UC Irvine, known for multiscale precipitation methods and delta science; she won the International Hydrology Prize in 2023.

EFI Reggiani

EFI Reggiani is the textile printing brand of Electronics For Imaging, created when EFI acquired Reggiani Macchine of Bergamo, Italy, in 2015, selling digital and analog textile printers and inks.

EFI system partition

The EFI system partition (ESP) is a partition formatted with a UEFI-defined version of FAT that stores operating system loaders, drivers, and utility applications the firmware loads at startup.

eFishery

eFishery was an Indonesian aquaculture technology startup founded in Bandung in 2013, supplying fish and shrimp farmers with automatic feeders, financing, and a fish trading marketplace.

eFlash

eFlash (embedded flash) is flash memory fabricated inside a chip's logic circuit, letting one chip store its own code and data; it dominates microcontrollers and SoCs.

Efraim Diveroli

Efraim Diveroli is an American former arms dealer who, as president of Miami Beach firm AEY, won a $298 million Army contract at 21 and was later convicted of fraud.

EFTPOS

EFTPOS, or Electronic Funds Transfer at Point of Sale, is Australia's domestic debit card payment system, first issued in the early 1980s and now operated by Australian Payments Plus.

EG On The Move

EG On The Move is a British petrol forecourt and convenience retail company founded in 2023 by Zuber Issa and Imraan Patel after EG Group's UK restructuring.

Egbert Zojer

Egbert Zojer (born 1972) is an Austrian computational physicist at Graz University of Technology who works on the electrostatic design of materials and atomistic modeling of organic materials.

Egemin Automation

Egemin Automation was a Belgian warehouse automation company in Zwijndrecht that built automated guided vehicle systems, acquired by the KION Group in 2015 for €72.5 million.

Eger V. Murphree

Eger V. Murphree (1898–1962) was an American chemical engineer who co-invented fluid catalytic cracking, the refinery process that still makes much of the world's gasoline, and led Exxon's central research for 15 years.

Oct 26, 2026

Egeria

Egeria (ODPi Egeria) is an LF AI & Data open source project, contributed by IBM and ING in 2018, providing an Apache-2.0 open metadata type system, OMAG server platform, cohorts, and integration connectors for cross-tool metadata exchange and governance.

Egg harvesting automation

Egg harvesting automation is the use of egg belts, cross conveyors, and packers to collect and grade eggs from laying hens with minimal manual handling.

Eggy Party

Eggy Party (蛋仔派对) is a free-to-play party royale mobile game by NetEase Games, in which 32 players race egg-shaped characters, launched in China in 2022 and globally in 2024.

Egina Oil Field

Egina is a deepwater oil field in the Gulf of Guinea offshore Nigeria, discovered in 2003 and producing since 2018 at up to 208,000 barrels per day.

Eglin Air Force Base

Eglin Air Force Base, also known as Eglin Field, is a US Air Force base in the Florida Panhandle and the Air Force's center for weapons testing.

Eglinton Crosstown west extension

The Eglinton Crosstown West Extension is a 9.2-kilometer light rail extension of Line 5 Eglinton in Toronto, under construction and planned to open in 2030–31.

EGNOS

EGNOS, the European Geostationary Navigation Overlay Service, is Europe's satellite-based augmentation system broadcasting corrections to improve GPS accuracy and integrity, enabling about 1,000 aviation approach procedures.

Sep 29, 2026

Ego-motion estimation

Ego-motion estimation is the computer vision task of computing a sensor platform's own translation and orientation over time from sequential camera images or lidar scans.

Ego4D

Ego4D is a large-scale egocentric (first-person) video dataset and benchmark suite for machine perception, released in 2022 by 14 university teams with Facebook Reality Labs Research.

Egor Popov

Egor Popov (1913–2001) was a Russian-born American structural and earthquake engineer and UC Berkeley professor, best known for the eccentrically braced frame and the textbook Mechanics of Materials.

Egyptair (مصر للطيران)

Egyptair (مصر للطيران) is Egypt's state-owned flag carrier, founded in 1932 as the first airline in the Middle East and Africa, flying from its hub at Cairo International Airport.

EgyptAir Flight 804

EgyptAir Flight 804 was a scheduled Paris-to-Cairo passenger flight operated with an Airbus A320 that crashed into the Mediterranean Sea on 19 May 2016, killing all 66 on board.

EgyptAir Flight 990

EgyptAir Flight 990 was a scheduled Los Angeles–Cairo flight whose Boeing 767 crashed into the Atlantic near Nantucket on October 31, 1999, killing all 217 aboard.

Egyptian Electricity Holding Company

The Egyptian Electricity Holding Company (القابضة لكهرباء مصر, EEHC) is Egypt's state-owned holding company for electricity generation, transmission, and distribution, created in 2000 from the Egyptian Electricity Authority.

Egyptian General Petroleum Corporation

The Egyptian General Petroleum Corporation (EGPC) is Egypt's state-owned national oil company, responsible for most oil and gas operations and for managing concession agreements with international investors.

Egyptian General Petroleum Corporation (EGPC)

The Egyptian General Petroleum Corporation (EGPC) is Egypt's state-owned national oil company, formed in 1962, which supervises concessions with international oil companies and owns Egypt's seven refineries.