(Encyclopedia) horologyhorologyhōrŏlˈəjē [key], science of measuring time and technology of constructing instruments for its measurement or recording. Early measurements of the passage of time were…
(Encyclopedia) HyperionHyperionhīpērˈēən [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn VII (or S7), Hyperion is the largest highly irregular (…
(Encyclopedia) pitot static systempitot static systempētōˈ [key], device for measuring the rate at which a fluid flows. Among the principal applications of the device are an airspeed indicator for…
They're Complementary After AllTheories of the UniverseChunks of UncertaintyJust a Little Math Won't HurtBorn of ProbabilityThey're Complementary After All Heisenberg's uncertainty principle led…
Great American statesman In the years after the Revolutionary war, Hamilton practiced law. He often defended pro-British Loyalists. Not only did he feel it was time to put the…
Born: 1900 Altimeter. Prior to 1928, there was no reliable or accurate way for airplane pilots to know how far above the ground they were. The barometric altimeter, accurate within 20 feet,…
Employment HistoryMovies and FilmFilm Personnel: Gaffers, Grips, and GofersEmployment HistoryUnionsThe Job DescriptionsFilms Worth Viewing Originally, the hundreds of jobs that now exist in…
Born: 1900Birthplace: Cullom, Ill. Apparatus for testing acidity—Beckman founded Beckman Instruments, Inc. in 1935 with the development of a pH meter for measuring acidity and alkalinity. He also…
Born: 1903Birthplace: Findlay, Ohio Radio frequency mass spectrometer—Bennett studies in gases ionized by high voltage electricity was used in controlled thermonuclear fusion research. His radio…
