61,984 articles
Claude Chappe
Claude Chappe (1763–1805) was a French engineer, born at Brûlon in Sarthe, who invented the optical semaphore telegraph; his first line from Paris to Lille opened in 1794.
Claude Code
Claude Code is Anthropic's terminal-first agentic coding tool, launched in research preview in February 2025, which reads codebases, edits files, runs shell commands, and manages git through natural-language instructions.
Claude Cowork
Claude Cowork is an agentic workspace product from Anthropic, launched in January 2026, that lets non-programmers hand research, analysis, and document creation to Claude in Claude Desktop.
Claude cycle
The Claude cycle is a cryogenic gas-liquefaction process in which most compressed gas expands through an engine doing external work, invented by Georges Claude in 1902 and later preferred for large-scale hydrogen liquefaction.
Claude Garamond
Claude Garamond, also spelled Claude Garamont (c. 1490–1561), was a French punch cutter and type founder in Paris whose roman types became models for the Garamond class.
Claude Grahame-White
Claude Grahame-White (1879–1959) was an English pioneer aviator and aircraft manufacturer who lost the 1910 London to Manchester air race to Louis Paulhan and created the London Aerodrome at Hendon.
Claude Mythos
Claude Mythos is a family of highly capable language models developed by Anthropic, first announced in April 2026 and restricted to vetted cybersecurity and life sciences organizations.
Claude Opus 4
Claude Opus 4 is a large language model developed by Anthropic, released on May 22, 2025 as the flagship Claude 4 model, emphasizing autonomous coding and long-running agentic work.
Claude Opus 4.5
Claude Opus 4.5 is a large language model released by Anthropic on November 24, 2025, positioned as its flagship model for coding, agentic workflows, and computer use.
Claude P. Seippel
Claude P. Seippel (1900–1986) was a Swiss engineer at Brown Boveri who led the building of the world's first industrial gas turbine, delivered to Neuchâtel in 1939.
Claude R. Hocott
Claude R. Hocott (Claude Richard Hocott) was an American petroleum engineer elected to the National Academy of Engineering in 1974, who led Exxon's Humble Laboratory research.
Claude Research mode
Claude Research mode is an agentic research feature in Anthropic's Claude apps that autonomously runs multiple web and workspace searches and produces a cited report, launched in April 2025.
Claude Shannon
Claude Elwood Shannon was an American mathematician and engineer at Bell Labs and MIT who founded information theory and applied Boolean algebra to digital circuits.
Claude Sonnet 4
Claude Sonnet 4 is a large language model released by Anthropic on May 22, 2025, a hybrid reasoning model that succeeded Claude Sonnet 3.7 for coding and agents.
Claude-Louis Navier
Claude-Louis Navier (Claude-Louis-Marie-Henri Navier; 1785–1836) was a French engineer and mathematical physicist who introduced viscosity into the equations of fluid motion, giving the Navier–Stokes equations, and wrote the first modern theory of elasticity.
Claudia Imhoff
Claudia Imhoff (Ph.D.), American business intelligence and data warehousing expert; president and founder of Intelligent Solutions (1992), co-developer with Bill Inmon of the Corporate Information Factory architecture, five-book co-author, founder of the Boulder BI Brain Trust, DAMA award winner and TDWI Fellow.
Claus power station
The Claus power station (Clauscentrale) is a gas-fired power plant at Maasbracht in Limburg, the Netherlands, owned by RWE and named after Prince Claus, who opened it in 1978.
Claw clip
A claw clip, also called a jaw clip, is a spring-hinged hair fastener with interlocking teeth, invented in 1980s France and revived by fashion in the late 2010s.
Claw hammer
A claw hammer, also called a carpenter's hammer, is a hand tool with a striking face for driving nails and a curved claw for pulling them out.
Claw-free graph
A claw-free graph is a graph with no induced K1,3, the three-leaf star called the claw; it generalizes line graphs and admits polynomial-time stable set algorithms.
Claymore
Claymore, from the Gaelic claidheamh mòr, is the name of a two-handed Scottish Highland sword used from the 15th to the 17th century, and of the American M18A1 anti-personnel mine.
Claymore mine
The M18A1 Claymore mine is a US directional anti-personnel mine standardized in 1960, firing 700 steel balls in a fan-shaped pattern; it first saw combat in Vietnam in 1966.
Claymore oil field
Claymore is an oil field in the UK sector of the North Sea, discovered in 1974 and producing oil since November 1979 through a fixed steel platform.
Clayton J. Radke
Clayton J. Radke is an American chemical engineer and interfacial scientist, professor at UC Berkeley and Lawrence Berkeley National Laboratory, elected to the National Academy of Engineering in 2015.
Claytronics
Claytronics is a proposed form of programmable matter in which millions of tiny robotic units, called catoms, self-assemble into dynamic 3D shapes users can see and touch.
CLC Genomics Workbench
CLC Genomics Workbench is a commercial desktop software package from QIAGEN for analyzing, comparing, and visualizing next-generation sequencing data, developed by CLC bio and acquired in 2013.
Clean architecture
Clean architecture is a software architectural style proposed by Robert C. Martin in 2012, organizing a program into concentric layers where source code dependencies may point only inward, toward the business rules.
Clean Aviation
Clean Aviation is the European Union's public-private partnership for sustainable aeronautics, established in 2021 with a €4.1 billion budget to develop climate-neutral aircraft for launch by 2035.
Clean Electricity Regulations
The Clean Electricity Regulations are Canadian federal rules, registered in December 2024, limiting carbon dioxide emissions from fossil fuel-fired electricity generation toward a net-zero grid by 2050.
Clean Energy Council
The Clean Energy Council (CEC) is Australia's not-for-profit peak body for the renewable energy industry, formed in 2007 and representing about 1,000 member businesses in solar, wind, hydro, and storage.