edgepedia

Technology and the built world

61,984 articles

Design storm

A design storm is a hypothetical rainfall event of specified depth, duration, and probability, defined for designing drainage and flood control infrastructure rather than from a real storm.

Design structure matrix

The design structure matrix (DSM), also called the dependency structure matrix, is a square matrix mapping dependencies among components, tasks, or teams, coined by Donald V. Steward in 1981.

Design technology co-optimization

Design technology co-optimization (DTCO) is a semiconductor methodology that jointly optimizes a manufacturing process, its design rules, and design enablement, replacing the traditional one-way handoff to designers.

Design thinking

Design thinking is a human-centered, iterative approach to innovation that begins from people's needs rather than fixed specifications, popularized by IDEO and Stanford's d.school through stages like empathize and prototype.

Design-basis accident

A design-basis accident (DBA) is a postulated accident a nuclear facility is designed to withstand through conservative analysis, with radioactive releases kept within acceptable limits and no significant radiological consequences.

Design–bid–build

Design–bid–build, or DBB, is a construction project delivery method where design and construction are sequential and contracted separately, the traditional method for US public works.

Design–build

Design–build, or design and build, is a project delivery method in which a single entity holds one contract with the owner for both design and construction.

DesignArena

DesignArena is a crowdsourced benchmarking platform built by Arcada Labs, a Y Combinator Summer 2025 startup, that runs blind voting tournaments ranking AI models on website, image, and video generation and app-building agents.

Designated driver

A designated driver is a member of a drinking group who stays sober and drives the others home safely, a concept popularized in the United States in 1988.

Designated marksman rifle

A designated marksman rifle (DMR) is a scoped, semi-automatic rifle issued to an infantry squad's designated marksman to engage point targets at 300 to 600 meters.

Designated Pilot Examiner

A Designated Pilot Examiner (DPE) is a private individual, not an FAA employee, appointed by the FAA to conduct pilot certificate and rating practical tests, roughly 124,000 in fiscal 2024.

Designer

A designer is a professional working in a recognized design specialism such as industrial, graphic, or UX design, an occupation now spread across the whole economy rather than only dedicated design firms.

Designing Data-Intensive Applications

Designing Data-Intensive Applications (DDIA) is Martin Kleppmann's 2017 O'Reilly book on database internals, replication, partitioning, transactions, consensus, and batch and stream processing; a second edition with Chris Riccomini appeared in February 2026.

Designit

Designit is a global strategic design and innovation consultancy founded in 1991 in Aarhus, Denmark, and owned since 2015 by the Indian IT company Wipro.

Desislava Zhekova

Desislava Zhekova is a computational linguist and AI researcher trained at the University of Tübingen, known for UBIU, a language-independent coreference resolution system, and multilingual coreference research.

Desk lamp

A desk lamp is a small, adjustable light fixture on a work surface providing concentrated task lighting, ranging from classic Anglepoise designs to modern LED fixtures.

Desktop computer

A desktop computer is a personal computer designed to stay in a fixed location, used with an external display, keyboard, and mouse, in tower, mini PC, or all-in-one forms.

Desktop environment

A desktop environment, or graphical desktop environment, is a bundle of software providing a complete graphical user interface, with GNOME, KDE Plasma, and Xfce as major examples.

Desktop Metal

Desktop Metal was an American additive manufacturing company founded in 2015 in Waltham, Massachusetts, best known for its metal binder jetting 3D printers, including the Studio, Shop, and Production Systems.

Desktop publishing

Desktop publishing (DTP) is the use of personal computers to compose and produce print-ready documents, founded in 1985 with the Apple Macintosh, Aldus PageMaker, and LaserWriter.

Desktop virtualization

Desktop virtualization, also known as Workspace as a Service, creates a virtual desktop that runs in a data center or cloud, its best-known variant being Virtual Desktop Infrastructure (VDI).

Desmos

Desmos is a free online suite of mathematics tools, best known for its web-based graphing calculator, founded by Eli Luberoff in 2011 and used by over 75 million people annually.

DeSoto (automobile)

DeSoto cars were a mid-priced automobile brand produced by the Chrysler Corporation from 1928 to 1960, named for the Spanish explorer Hernando de Soto and known for the 1934 Airflow.

Destabilized hydride systems

Destabilized hydride systems are mixtures of two or more metal hydrides that release hydrogen at lower temperatures because dehydrogenation forms a stable compound, such as MgB₂ in the LiBH₄–MgH₂ system.

Destilerías Unidas

Destilerías Unidas, also known as DUSA, is a Venezuelan spirits producer and rum distillery founded in 1959 at La Miel, best known for Diplomático and Cacique rums.

Destin Gas Pipeline

The Destin Gas Pipeline is a 255-mile natural gas pipeline carrying offshore Gulf of Mexico gas to Pascagoula, Mississippi, and north through the state, in service since 1998.

Destination Earth (digital twin)

Destination Earth (DestinE) is a European Commission flagship initiative building a digital twin of the Earth system, implemented by ECMWF, ESA, and EUMETSAT and launched in 2024.

Destiny USA

Destiny USA, originally Carousel Center, is a 2.4-million-square-foot shopping, dining, and entertainment mall in Syracuse, New York, on Onondaga Lake, opened in 1990 and renamed in 2012 after a large expansion.

DESTINY+

DESTINY+ (デスティニー・プラス) is a JAXA deep-space mission launching in 2028 that will fly by asteroid Apophis and then asteroid Phaethon, the Geminid meteor shower's parent, in 2030.

Destroyer

The destroyer, begun in the 1890s as the torpedo-boat destroyer with HMS Havock in 1893, is a fast, heavily armed multi-mission guided-missile warship central to modern fleets.