Rolling ball sculpture — People watching George Rhoads rolling ball sculpture 42nd Street Ballroom (1983) in the north building of the Port Authority Bus Terminal in midtown Manhattan, New York City A rolling ball sculpture, sometimes referred to as a marble run, a ball… … Wikipedia
Rolling Ball Sculpture — A Rolling Ball Sculpture is a form of kinetic art or kinetic sculpture, that specifically involves one or more rolling balls. Kinetic art is a form of art that contains moving pieces. Rolling Ball Sculpture art typically includes rails or tracks… … Wikipedia
Rolling ball clock — A rolling ball clock is a clock which displays time by means of balls and rails.HistoryThe rolling ball clock was invented by Harley Mayenschein in the 1970s. He patented the design and founded Idle Tyme Corporation in 1978 who manufactured these … Wikipedia
Rolling-Ball-Rotation — Physikalische Interpretation der Rolling Ball Rotation Die Rolling Ball Rotation („Rotation des rollenden Balls“, auch Rollerball Rotation) ist eine Mensch Computer Interaktionstechnik, die es erlaubt, mit Hilfe eines normalen Zeigegeräts… … Deutsch Wikipedia
Rolling ball — In topology, quantum mechanics and geometrodynamics, rolling ball arguments are used to describe how the perceived geometry and connectivity of a surface can be scale dependent.If a researcher probes the shape of an intricately curved surface by… … Wikipedia
rolling-ball — aklųjų mestinis statusas T sritis Kūno kultūra ir sportas apibrėžtis Neregių arba silpnaregių sportinis žaidimas su kamuoliu. Žaidžiamas lygaus paviršiaus 24×12 m dydžio aikštėje, kuri vidurio linija padalyta pusiau. Virš vidurio linijos 1,3 m… … Sporto terminų žodynas
ball — Ⅰ. ball [1] ► NOUN 1) a solid or hollow sphere, especially one that is kicked, thrown, or hit in a game. 2) a single throw or kick of the ball in a game. 3) N. Amer. a game played with a ball, especially baseball. ► VERB ▪ squeeze or form into a… … English terms dictionary
ball bearing — ball bearing, adj. Mach. 1. a bearing consisting of a number of hard balls running in grooves in the surfaces of two concentric rings, one of which is mounted on a rotating or oscillating shaft or the like. 2. any of the balls so used. [1880 85]… … Universalium
ball — ball1 [bôl] n. [ME bal < OE * beallu < IE base * bhel , to swell > BOWL1, BLADDER, ON bǫllr, OHG balla, Gr phallos, L follis & flare] 1. any round, or spherical, object; sphere; globe 2. a planet or star, esp. the earth … English World dictionary
Rolling — is a combination of rotation (of a radially symmetric object) and translation of that object with respect to a surface (either one or the other moves), such that the two are in contact with each other without sliding. This is achieved by a… … Wikipedia