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A longitudinal study (or longitudinal survey, or panel study) is a research design that involves repeated observations of the same variables (e.g., people) over long periods of time (i.e., uses longitudinal data).
Classical qualitative inorganic analysis is a method of analytical chemistry which seeks to find the elemental composition of inorganic compounds.It is mainly focused on detecting ions in an aqueous solution, therefore materials in other forms may need to be brought to this state before using standard methods.
In numerical analysis, Halley's method is a root-finding algorithm used for functions of one real variable with a continuous second derivative. Edmond Halley was an English mathematician and astronomer who introduced the method now called by his name.
Back to the Future is a 1985 American science fiction film directed by Robert Zemeckis and written by Zemeckis and Bob Gale.It stars Michael J. Fox, Christopher Lloyd, Lea Thompson, Crispin Glover, and Thomas F. Wilson.
Grace Brewster Hopper (née Murray; December 9, 1906 – January 1, 1992) was an American computer scientist, mathematician, and United States Navy rear admiral. [1] She was a pioneer of computer programming.
Cameron James, a new student at Padua High School in the Seattle area, immediately becomes smitten with beautiful and popular sophomore Bianca Stratford. Geeky Michael Eckman warns him that she is vapid and conceited, and that her overprotective single father Walter, an obstetrician worried about teenage pregnancy, does not allow her or her shrewish older sister Kat, a senior, to date.
In the early 1970s, following the launch of the first wide-body airliner, the 747, Boeing began considering further developments of its narrow-body 727. [4] Designed for short and medium length routes, [5] the trijet was the best-selling jetliner of the 1960s and a mainstay of the U.S. domestic airline market.
Quantum mechanics is a fundamental theory that describes the behavior of nature at and below the scale of atoms. [2]: 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science.