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A billiard ball is a small, hard ball used in cue sports, such as carom billiards, pool, and snooker. The number, type, diameter, color, and pattern of...

The hairy ball theorem of algebraic topology (sometimes called the hedgehog theorem in Europe) states that there is no nonvanishing continuous tangent...

"The Billiard Ball" is a science fiction short story by American author Isaac Asimov, written in September 1966 and first published in the March 1967...

A billiard-ball computer, a type of conservative logic circuit, is an idealized model of a reversible mechanical computer based on Newtonian dynamics...

eight-ball or 8 ball in Wiktionary, the free dictionary. Eight-ball is a pool game played with a numbered solids-and-stripes ball set. Eight-ball, 8-ball,...

A dynamical billiard is a dynamical system in which a particle alternates between free motion (typically as a straight line) and specular reflections from...

shuffleboard. The tabletop versions of these games became the ancestors of modern pinball. In France, during the long 1643–1715 reign of Louis XIV, billiard tables...

for the glancing blow in each case. Later analysis by Thorne and Robert Forward showed that for certain initial trajectories of the billiard ball, there...

pool played on a billiard table with six pockets, cue sticks, and sixteen billiard balls (a cue ball and fifteen object balls). The object balls include...

The Albany Billiard Ball Company was an American manufacturer of billiard balls based in Albany, New York. The company was founded in 1868, manufacturing...

by the World Pool-Billiard Association (WPA), with multiple regional tours. The most prestigious nine-ball tournaments are the WPA World Nine-ball Championship...

experiment involving a billiard ball sent back in time through a wormhole. In Polchinski's scenario, the billiard ball is fired into the wormhole at an angle...

table with four billiard balls, usually two red and two white, one of the latter with a spot to distinguish it (in some sets, one of the white balls is...

and the Margolis neighborhood, closely related to the automata for the billiard ball model and for the HPP lattice gas. However, the billiard ball model...

played on a billiard table. The table has six pockets along the rails, into which balls are shot. Of the many different pool games, the most popular...

A billiard table or billiards table is a bounded table on which cue sports are played. In the modern era, all billiards tables (whether for carom billiards...

billiards, is the overarching title of a family of cue sports generally played on cloth-covered, pocketless billiard tables. In its simplest form, the object...

wide variety of games of skill played with a cue, which is used to strike billiard balls and thereby cause them to move around a cloth-covered table bounded...

"The Bridge of the Gods" (essay), "Belief" (novelette), "Euclid's Fifth" (essay), "The Plane Truth" (essay), "The Billiard Ball" (novelette), "The Winds...

in professional play; those of the World Pool-Billiard Association (WPA), known as "blackball rules", and the code of the World Eightball Pool Federation...