61,984 articles
DNA-guided nanoparticle assembly
DNA-guided nanoparticle assembly is a nanotechnology method in which DNA strands attached to nanoparticles act as programmable bonds that direct particles into ordered crystals with nanoscale precision.
DNABERT
DNABERT is a family of transformer language models for DNA sequences, adapted from BERT and first published in 2021 for tasks like promoter and splice site prediction.
DNASTAR Lasergene
DNASTAR Lasergene is a commercial sequence analysis software package for molecular biology, genomics, and protein research, sold as annual licenses by DNASTAR, Inc. of Madison, Wisconsin.
Dnepr
The Dnepr was a Russian-Ukrainian space launch vehicle converted from surplus Soviet SS-18 intercontinental ballistic missiles, flown commercially by ISC Kosmotras from 1999 to 2015.
Dnieper Hydroelectric Station
Dnieper Hydroelectric Station, also known as DniproHES, is a hydroelectric dam on the Dnieper River at Zaporizhzhia, Ukraine, built in 1927–1932 as the showpiece of Soviet electrification.
Dnieper reservoir cascade
The Dnieper reservoir cascade, also called the Dnipro Cascade of Hydroelectric Stations, is a chain of six reservoirs on the Dnipro River in Ukraine, built between 1932 and 1976.
DNO ASA
DNO ASA is a Norwegian oil and gas company founded in 1971, Norway's oldest oil company, with its flagship Tawke license in the Kurdistan region of Iraq.
DNOW Inc.
DNOW Inc. is a Houston-based distributor of pipe, valves, fittings, and energy and industrial equipment, spun off from National Oilwell Varco in 2014 and acquired MRC Global in 2025.
DNS over HTTPS
DNS over HTTPS (DoH) is a protocol, standardized in RFC 8484 in 2018, that sends DNS queries inside encrypted HTTPS traffic instead of plaintext on port 53.
DNS over TLS
DNS over TLS (DoT) is a protocol that encrypts DNS queries by carrying them inside a TLS session on TCP port 853, standardized in RFC 7858.
DNS root zone
The DNS root zone is the top of the Domain Name System hierarchy, containing delegation records for top-level domains, coordinated by IANA and served by 13 root name servers.
DNS tunneling
DNS tunneling is a technique that hides data from other applications inside DNS queries and responses to bypass network security controls, used for data exfiltration and command and control.
DNS4EU
DNS4EU is a free public DNS resolver for individual users in Europe, co-funded by the European Commission and led by the Czech company Whalebone, launched in June 2025.
DNSSEC trust anchor
A DNSSEC trust anchor is a configured DNSKEY or DS record that a validating resolver uses as the starting point for authenticating signed DNS responses.
DNV (classification society)
DNV, formerly Det Norske Veritas and DNV GL from 2013 to 2021, is a Norwegian classification society setting technical rules for ships. It is the world's largest by market share.
Do Hwan Kim
Do Hwan Kim (김도환) is a South Korean chemical engineer and HYU Distinguished Professor at Hanyang University, known for stretchable electronic skins, iontronic devices, and organic microdisplay research.
Do it yourself
Do it yourself (DIY) is the practice of building, repairing, or making things oneself instead of paying a professional, spanning home improvement and self-produced culture.
Do not disturb (telephony)
Do not disturb (DND) is a telephone feature that temporarily blocks incoming calls from being signaled at a phone, routing them to another destination or treating the line as busy.
Do Not Track
Do Not Track (DNT) was an HTTP request header letting a browser signal to websites that the user preferred not to be tracked; proposed in 2009, it was rarely honored.
DO-160
DO-160, titled Environmental Conditions and Test Procedures for Airborne Equipment, is an RTCA standard, first published in 1975, for environmental testing of civil aircraft equipment.
DO-178C
DO-178C, titled Software Considerations in Airborne Systems and Equipment Certification, is the RTCA guidance defining software design assurance objectives for airborne systems, published in 2011 and replacing DO-178B.
DO-254
DO-254, Design Assurance Guidance for Airborne Electronic Hardware, is a 2000 RTCA guideline for assuring complex custom airborne electronic hardware such as ASICs, PLDs, and FPGAs.
DO-365
DO-365, the RTCA standard Minimum Operational Performance Standards for Detect and Avoid systems, defines how unmanned aircraft detect traffic, alert remote pilots, and remain well clear of other aircraft, first published in 2017.
DOAP
DOAP (Description of a Project) is an RDF vocabulary created by Edd Dumbill in 2004 for describing free and open source software projects in machine-readable form.
Dobot
Dobot (越疆机器人), legally Shenzhen Dobot Corp Ltd, is a Chinese robotics company founded in Shenzhen in 2015, known for collaborative robot arms deployed in over 100 countries and, since 2024, humanoid robots.
Dobot Magician
The Dobot Magician is a desktop 4-axis robotic arm made by Shenzhen Yuejiang Technology (Dobot) for education, supporting Blockly and Python programming, 3D printing, laser engraving, and writing.
Doc (computing)
Doc (.doc), documented by Microsoft as the MS-DOC specification, is the binary file format used as the default Microsoft Word document format from Word 97 through Word 2003.
Doc Ricketts
Doc Ricketts is a remotely operated vehicle used by the Monterey Bay Aquarium Research Institute for deep-sea research, named after the marine biologist character in Steinbeck's Cannery Row.
Doc2vec
Doc2vec, originally published as Paragraph Vector, is an unsupervised algorithm proposed by Quoc Le and Tomas Mikolov in 2014 that learns fixed-length dense vector representations of entire documents.
DocBook
DocBook is an XML schema for authoring documents, especially books and papers on computer hardware and software, that renders content to HTML, PDF, EPUB, and man pages.