Axis angle — The axis angle representation of a rotation, also known as the exponential coordinates of a rotation, parameterizes a rotation by two values: a unit vector indicating the direction of a directed axis (straight line), and an angle describing the… … Wikipedia
Rotation around a fixed axis — Rotational motion can occur around more than one axis at once, and can involve phenomena such as wobbling and precession. Rotation around a fixed axis is a special case of rotational motion, which does not involve those phenomena. The kinematics… … Wikipedia
earth axis — Any one of a set of mutually perpendicular reference axes established with the upright axis (the z, axis) pointing to the center of the earth. It is used in describing the position or performance of an aircraft or other body in flight. The earth… … Aviation dictionary
declination axis — noun : the axis of rotation that is at right angles to the polar axis of an equatorial mounting and that permits pointing the telescope to celestial objects of different declinations … Useful english dictionary
Cartesian coordinate system — Illustration of a Cartesian coordinate plane. Four points are marked and labeled with their coordinates: (2, 3) in green, (−3, 1) in red, (−1.5, −2.5) in blue, and the origin (0, 0) in purple. A Cartesian coordinate system specifies each point… … Wikipedia
Cylon Basestar — The Basestar is the capital ship of the Cylons in the 1978 science fiction television series and movie Battlestar Galactica along with its re imagining in the 2003 miniseries and 2004 television series. Contents 1 Battlestar Galactica (1978,… … Wikipedia
Eris (dwarf planet) — Eris Eris (centre) and Dysnomia (left of centre). Hubble Space Telescope … Wikipedia
Mouse (computing) — A computer mouse with the most common standard features: two buttons and a scroll wheel, which can also act as a third button In computing, a mouse is a pointing device that functions by detecting two dimensional motion relative to its supporting … Wikipedia
Wii Remote — with original strap Manufacturer Nintendo Generation Seventh generation era Retail availability Nove … Wikipedia
Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass … Wikipedia
Differential (mechanical device) — For other uses, see Differential. A cutaway view of an automotive final drive unit which contains the differential Input … Wikipedia