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Geometric dimensioning and tolerancing (GD&T) is a system for defining and communicating engineering tolerances via a symbolic language on engineering drawings and computer-generated 3D models that describes a physical object's nominal geometry and the permissible variation thereof. GD&T is used to define the nominal (theoretically perfect ...
Jean Bernard Léon Foucault (1819–1868), France – Foucault pendulum, gyroscope, eddy current; Benoît Fourneyron (1802–1867), France – water turbine; John Fowler (1826–1864), UK – steam-driven ploughing engine; Benjamin Franklin (1706–1790), U.S. – the pointed lightning rod conductor, bifocal glasses, the Franklin stove, the ...
Jeanne Lee (1939–2000), U.S. jazz singer; Jeanne Lee Crews (born 1940), U.S. aerospace engineer; Jeannie Cho Lee (born 1968), Korean-American Hongkonger journalist; Jeannie T. Lee, U.S. geneticist; All pages with titles beginning with Jean Lee; All pages with titles containing Jean Lee; Jeannette Lee (disambiguation)
Jean Amédée Hoerni (September 26, 1924 – January 12, 1997) was a Swiss-born American engineer. He was a silicon transistor pioneer, and a member of the " traitorous eight ". He developed the planar process , an important technology for reliably fabricating and manufacturing semiconductor devices , such as transistors and integrated circuits .
Dr. Heilmeier, the son of a janitor, was the first member of his family to finish high school. His daughter, Beth Jarvie, said “it was the Christian character of my dad” as well as his ability to put his head down and push forward with the work at hand that played major roles in his contributions.
Road Trips Volume 2 Number 2 is a two-CD live album by the American rock band the Grateful Dead.The sixth in their "Road Trips" series of albums, it was the first to contain a complete concert—the February 14, 1968, show at the Carousel Ballroom (later known as the Fillmore West) in San Francisco, California.
Jean Marian Purdy (25 April 1945 – 16 March 1985) was a British nurse, embryologist and pioneer of fertility treatment. She was responsible with Robert Edwards and Patrick Steptoe for developing in vitro fertilisation (IVF); Louise Joy Brown, the first "test-tube baby", was born on 25 July 1978, and Purdy was the first to see the embryonic cells dividing.
Radia Joy Perlman (/ ˈ r eɪ d i ə /; [1] born December 18, 1951) is an American computer programmer and network engineer. She is a major figure in assembling the networks and technology to enable what we now know as the internet.