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DRDO Rustom
Rustom is a DRDO family of Indian unmanned aerial vehicles named after Professor Rustom Damania, spanning the tactical Rustom-1 demonstrator and the MALE Rustom-2, renamed TAPAS-BH-201.
Dreadnought
A dreadnought is a battleship built on the pattern of HMS Dreadnought of 1906, armed entirely with large-caliber guns, making all earlier battleships, called pre-dreadnoughts, obsolete.
Dream Chaser
Dream Chaser is a reusable lifting-body cargo spaceplane built by Sierra Space, derived from NASA's HL-20 concept and selected under NASA's Commercial Resupply Services 2 contracts.
Dream Machine (text-to-video model)
Dream Machine is a text-to-video and image-to-video generative AI system from Luma AI, first released on June 12, 2024 and later retired as Luma moved to its Ray models.
DreamBooth
DreamBooth is a fine-tuning technique for personalizing text-to-image diffusion models from 3–5 images of a subject, introduced in 2022 by Google Research and Boston University.
Dreamer (model family)
Dreamer is a family of reinforcement learning agents by Danijar Hafner that train policies inside imagined trajectories from a learned world model, first released in 2019.
Dreamer-style model-based control
Dreamer-style model-based control is a reinforcement learning method, introduced in December 2019, in which an agent learns a latent world model and trains its policy on imagined trajectories.
DreamerV2
DreamerV2 is a model-based reinforcement learning agent introduced by Danijar Hafner and colleagues in 2020, the first agent to reach human-level performance on the 55-task Atari benchmark.
DreamerV3
DreamerV3 is a model-based reinforcement learning algorithm that learns a world model of its environment, mastering over 150 tasks across eight domains with a single fixed configuration.
Dreamforce
Dreamforce is Salesforce's annual customer and partner conference, held in San Francisco since 2003, combining keynotes, product announcements, and training; it draws roughly 45,000 to 50,000 attendees.
DreamFusion
DreamFusion is a Google Research text-to-3D method from 2022 that synthesizes a 3D model from a text caption by optimizing a NeRF against the 2D diffusion model Imagen.
Dreamhaven
Dreamhaven is an American video game company founded in 2020 in Irvine, California, by Mike Morhaime, Blizzard Entertainment's former CEO, which develops and publishes games through its studios Moonshot Games and Secret Door.
Dredging
Dredging, also called dregging, is the excavation and removal of sediment from the bottom of rivers, harbors, lakes, and channels, mainly to keep waterways navigable for shipping.
Dremio
Dremio is a data lakehouse platform for self-service analytics that queries data directly where it is stored, built on open standards including Apache Iceberg and Apache Arrow.
Drepung Monastery
Drepung Monastery is a Gelug Tibetan Buddhist monastery founded in 1416 west of Lhasa, once the largest monastery in Tibet and residence of the early Dalai Lamas.
Dresden Airport
Dresden Airport, also known as Dresden-Klotzsche or Dresden International, is the international airport of Dresden, the capital of Saxony in eastern Germany, opened on 11 July 1935.
Dresden nuclear power plant
Dresden nuclear power plant is a nuclear plant in Morris, Illinois, whose Unit 1 was the first full-scale, privately financed nuclear power plant in the United States.
Drew Banin
Drew Banin, co-founder of dbt Labs (formerly Fishtown Analytics) with Tristan Handy and Connor McArthur in 2016, former Chief Product Officer until January 2022, built the first dbt prototype and studied at Drexel University.
Drew Endy
Drew Endy, or Andrew David Endy, is a synthetic biologist and bioengineer at Stanford University, known for building open standards for engineering biology, above all the BioBrick standard.
Drew Houston
Drew Houston, also known as Andrew W. Houston, is an American entrepreneur who co-founded the cloud storage company Dropbox in 2007 and serves as its CEO.
Dreyse needle gun
The Dreyse needle gun (Zündnadelgewehr) was a Prussian bolt-action breech-loading rifle adopted in the early 1840s, the first issued in quantity to a major army.
DRG Class 01
DRG Class 01, also known as DRG BR 01, is a German standard express passenger steam locomotive with a Pacific wheel arrangement, 231 built between 1925 and 1938.
DRG Class 05
DRG Class 05 comprised three experimental streamlined express steam locomotives built by Borsig for the Deutsche Reichsbahn between 1935 and 1937; one set a world steam speed record of 200.4 km/h in 1936.
DRG Class 44
The DRG Class 44 (Baureihe 44) was a German three-cylinder 2-10-0 heavy freight steam locomotive nicknamed Jumbo, built from 1926 to 1949 in 1,989 examples and running until the end of steam in Germany.
DRG Kleinlokomotive Class II
The DRG Kleinlokomotive Class II, also known as Köf II, is a standardized German light shunting locomotive developed from 1932, with over 1,100 built and about 180 preserved today.
Dried mineral water salt
Dried mineral water salt, marketed as Saltwell by Sweden's Salinity, is a natural salt crystallized from Atacama Desert brine at 65% NaCl and 35% KCl, giving 35% less sodium; GRAS in the US via GRN 577 (2015).
Drift detection (machine learning)
Drift detection is a family of machine learning monitoring methods that watch incoming data or a deployed model's behavior for distributional change and signal when retraining is needed.
Driftwood LNG
Driftwood LNG is a liquefied natural gas export terminal under construction near Carlyss, Louisiana. Developed by Tellurian, it was acquired by Woodside Energy in 2024 and renamed Woodside Louisiana LNG.
Drigg (low-level waste repository)
Drigg is a site on the West Cumbrian coast that holds the United Kingdom's national repository for solid low-level radioactive waste, receiving waste from across the country since 1959.
Drill
A drill is a tool with a rotating drill bit used to bore holes in wood, metal, masonry, and stone, from hand-powered devices to power tools.