rotational degree of freedom
81technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
82Joseph Louis Lagrange — Lagrange redirects here. For other uses, see Lagrange (disambiguation). Joseph Louis Lagrange Joseph Louis (Giuseppe Lodovico), comte de Lagrange …
83space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
84agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
85Gas — This article is about the physical properties of gas as a state of matter. For the uses of gases, and other meanings, see Gas (disambiguation). Ga …
86United States Air Force In South Korea — Infobox Military Conflict conflict = Bases of the United States Air Force in South Korea partof = Pacific Air Forces Seventh Air Force caption = Location of USAF bases in South Korea date = 1950 Present place = South Korea territory = result =… …
87Inertial navigation system — An Inertial Navigation System (INS) is a navigation aid that uses a computer and motion sensors to continuously track the position, orientation, and velocity (direction and speed of movement) of a vehicle without the need for external references …
88Chiropractic — Intervention A chiropract …
89Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
90Special relativity — (SR) (also known as the special theory of relativity or STR) is the physical theory of measurement in inertial frames of reference proposed in 1905 by Albert Einstein (after considerable contributions of Hendrik Lorentz and Henri Poincaré) in the …
