All articles A–Z
519,064 articles
E-glass
E-glass is a family of low-alkali alumino-borosilicate glass fibers for general and most electrical applications under ASTM D578, and the most common glass fiber, reinforcing plastics in cars, boats, and circuit boards.
E-governance
E-governance (electronic governance): use of ICTs in government-citizen, government-business, and internal government operations. Benchmarked by the UN EGDI; Denmark, Estonia, and Singapore led the 2024 ranking of 193 states.
E-government
E-government: governments' use of ICTs, especially the Internet, to deliver public services and improve administration. Measured by the UN EGDI (Denmark, Estonia, Singapore lead 2024); distinct from the broader OECD concept of digital government.
E-Government Act of 2002
The E-Government Act of 2002 is a United States federal law signed by President George W. Bush on December 17, 2002, to improve electronic government services.
e-Health trial
e-Health trial (NCT02980237, e-Health Education Program at Workplace): Brazilian cluster randomized controlled trial testing nine Moodle video classes on musculoskeletal, dietary, and mental health for office workers; tutor support added no benefit over the conventional program.
E-Hentai
E-Hentai (E-Hentai Galleries) is a free, user-driven image gallery and file-sharing website focused on hentai doujinshi, manga, artist and game CG, and cosplay, operating since the mid-2000s with more than one million galleries.
E-iginimpa'e
E-iginimpa'e was an Early Dynastic Sumerian ruler (ensi) of Adab, dated to around 2400 BC and known from a single votive inscription recording his building of the goddess Dingirmaḫ's Emaḫ temple.
E-kerosene
E-kerosene is a synthetic jet fuel made by combining green hydrogen from electrolysis with captured carbon dioxide, offering lower emissions than conventional kerosene when the electricity is low-carbon.
E-mart
E-mart (주식회사 이마트) is South Korea's largest hypermarket chain and the retail core of Shinsegae Group, which opened Korea's first hypermarket in 1993 and led the discount market after acquiring Walmart Korea in 2006.
E-meter
The E-meter, or electropsychometer, is a skin-resistance measuring device used in Scientology auditing, invented by Volney Mathison in the early 1950s and later patented by L. Ron Hubbard.
E-methane
E-methane, also called e-NG, electric natural gas, or synthetic methane, is methane made by reacting renewable hydrogen with captured CO₂, so it works in existing pipelines and unmodified gas appliances.
E-mode polarization
E-mode polarization is the curl-free (gradient-like) component of the cosmic microwave background's linear polarization, produced by Thomson scattering and first detected by DASI in 2002.
e-Navigation
e-Navigation is an International Maritime Organization strategy for harmonized electronic collection, exchange, and presentation of marine information on board and ashore, first proposed in 2006 to enhance berth-to-berth navigation safety.
E-ninnu
The E-ninnu, the Sumerian temple of the god Ningirsu at Girsu, was rebuilt by the ruler Gudea around 2125 BCE and celebrated in the Gudea Cylinders.
E-participation
E-participation: use of ICT to engage citizens in policy, decision-making, and service design and delivery; a subset of participation and e-government, measured by the UN E-Government Survey on e-information, e-consultation, and e-decision-making levels.
E-Prime
E-Prime (English-Prime) is a modified English that bans all forms of the verb 'to be', coined by D. David Bourland Jr. in 1965 from Korzybski's general semantics; distinct from the E-Prime psychology software and the Elsevier journal e-Prime.
E-procurement
E-procurement, also known as electronic procurement or e-tendering, is the process of purchasing supplies and services over the Internet; governments use e-procurement systems to automate notices, tendering, and vendor management.
e-puck
The e-puck is a small, differential-drive educational mobile robot developed at EPFL in Switzerland, first built in 2004 and used by more than 4,000 universities and research centers worldwide.
E-reader
An e-reader, also called an ebook reader, is a portable device for reading digital books on low-power electronic paper, readable in sunlight and running for weeks per charge.
E-REDES
E-REDES, formerly EDP Distribuição until 2021, is the electricity distribution network operator for mainland Portugal, part of the EDP group and serving 6.5 million clients.
e-Resiliencia trial
The e-Resiliencia trial tested a web-based training tool that equips healthcare middle managers in Spain's Valencian Community to strengthen their teams' resilience in critical situations.
E-scooter
An e-scooter, also called an electric kick scooter or motorized kick scooter, is a battery-powered scooter used privately or in dockless rental fleets across 600-plus cities.
E-SCREEN assay
The E-SCREEN assay is a cell proliferation bioassay that detects and quantifies the estrogenic activity of chemicals by measuring the proliferative response of estrogen-responsive MCF-7 human breast cancer cells.
E-Sens
E-Sens (이센스) is a South Korean rapper, a member of the hip hop duo Supreme Team, whose 2015 solo album The Anecdote won Album of the Year at the 2016 Korean Music Awards.
E-Trade
E-Trade, also known as E*TRADE Financial Corporation, is an online brokerage brand offering self-directed trading, managed portfolios, and banking, acquired by Morgan Stanley in 2020 for about $13 billion.
E-UTRA
E-UTRA, also known as Super 3G, HSOPA, or Evolved UMTS Terrestrial Radio Access, is the 3GPP radio technology carrying the LTE air interface, using OFDMA downlink and SC-FDMA uplink.
E-value
The E-value is a sensitivity-analysis measure in epidemiology that quantifies the minimum confounding strength needed to explain away an observed association, introduced by VanderWeele and Ding in 2017.
E-values
An e-value is a nonnegative measure of statistical evidence against a null hypothesis, central to anytime-valid inference where researchers may stop or continue studies at will.
E-Werk (Berlin)
E-Werk was a Berlin techno club that operated from 1993 to 1997 in a listed 1920s substation in Mitte, hosting DJs including Sven Väth and Paul van Dyk.
e-Yantra
e-Yantra is a robotics outreach and engineering-education project of IIT Bombay, funded by the Ministry of Education of India, that has trained over 250,000 students through competitions since 2009.