moves 180 degrees
51Charleston (dance) — Josephine Baker dancing the Charleston at the Folies Bergère, Paris, in 1926 The Charleston is a dance named for the harbor city of Charleston, South Carolina. The rhythm was popularized in mainstream dance music in the United States by a 1923… …
52Chess960 — a b c d e f g h …
53Helical scan — is a method of recording high bandwidth signals onto magnetic tape. It is used in video tape recorders, video cassette recorders, digital audio tape recorders, and some computer tape drives. Comparison to linear tape recording In a fixed head… …
54Suplex — A wrestler performing a suplex on an opponent A suplex is an offensive move used in professional sport wrestling . The move consists of one wrestler picking up his or her opponent off the ground (or mat) and then using a large portion of his or… …
55Kip-up — (鯉魚打挺 Liyudating) is one of several names for an acrobatic move in which a person transitions from a supine, and less commonly, a prone position, directly to a squatting position by propelling the legs, and consequently the entire body, away from …
56Monopulse radar — is an adaptation of conical scanning radar which sends additional information in the radar signal in order to avoid problems caused by rapid changes in signal strength. The system also makes jamming more difficult. Most radars designed since the… …
57Solar eclipse — A solar eclipse occurs when the Moon passes between the Sun and the Earth so that the Sun is wholly or partially obscured. This can only happen during a new moon, when the Sun and Moon are in conjunction as seen from the Earth. At least two and… …
58Cochrane Defense — The Cochrane Defense is a method for drawing in the chess endgame with a rook versus a rook and bishop, shown here. It was discovered by John Cochrane. This combination of material is one of the most common pawnless chess endgames. Accurate play… …
59Moving target indication — (MTI) is a mode of operation of a radar to discriminate a target against clutter. [1] In contrast to another mode, stationary target indication, it takes an advantage of the fact that the target moves with respect to stationary clutter. The most… …
60Inclination — in general is the angle between a reference plane and another plane or axis of direction. The axial tilt is expressed as the angle made by the planet s axis and a line drawn through the planet s center perpendicular to the orbital plane. Orbits… …
