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  2. Table tennis - Wikipedia

    en.wikipedia.org/wiki/Table_tennis

    Diagram of a table tennis table showing the official dimensions. The table is 2.74 m (9.0 ft) long, 1.525 m (5.0 ft) wide, and 76 cm (2.5 ft) high with any continuous material so long as the table yields a uniform bounce of about 23 cm (9.1 in) when a standard ball is dropped onto it from a height of 30 cm (11.8 in), or about 77%.

  3. Teqball - Wikipedia

    en.wikipedia.org/wiki/Teqball

    Teqball was invented in 2014 in Hungary by three football enthusiasts: former professional player Gábor Borsányi, businessman György Gattyán, and computer scientist Viktor Huszar. [6] [7] The creative idea came from Borsányi, who used to play football on a table tennis table. The horizontal design of the table made the ball often not ...

  4. Table tennis in the United States - Wikipedia

    en.wikipedia.org/wiki/Table_tennis_in_the_United...

    Table tennis in the United States is regulated by USA Table Tennis. [1] USATT Historian Tim Boggan has written a volume of books entitled “History of U.S. Table Tennis” to give the readers a brief overview of how the sport of table tennis came to be. There are a total of 19 books in the series.

  5. Celluloid - Wikipedia

    en.wikipedia.org/wiki/Celluloid

    Celluloids are a class of materials produced by mixing nitrocellulose and camphor, often with added dyes and other agents.Once much more common for its use as photographic film before the advent of safer methods, celluloid's common present-day uses are for manufacturing table tennis balls, musical instruments, combs, office equipment, fountain pen bodies, and guitar picks.

  6. Tennis - Wikipedia

    en.wikipedia.org/wiki/Tennis

    A tennis racket and balls. Tennis balls were originally made of cloth strips stitched together with thread and stuffed with feathers. [63] Modern tennis balls are made of hollow vulcanized rubber with a felt coating. Traditionally white, the predominant colour was gradually changed to optic yellow in the latter part of the 20th century to allow ...

  7. Cue sports - Wikipedia

    en.wikipedia.org/wiki/Cue_sports

    Related to nine-ball, another well-known game is rotation, where the lowest-numbered object ball on the table must be struck first, although any object ball may be pocketed (i.e., combination shot). Each pocketed ball is worth its number, and the player with the highest score at the end of the rack is the winner.

  8. Electronic line judge - Wikipedia

    en.wikipedia.org/wiki/Electronic_line_judge

    The system was invented by Lyle David, who patented electrically conductive tennis balls, a micro-computer network systems equipment and installed wires at the boundaries of the court to detect and determine the location of the contact of the ball with the surface.

  9. Table football - Wikipedia

    en.wikipedia.org/wiki/Table_football

    Table football during Wikimedia's hackathon. Table football, also known as foosball [a] or table soccer, is a tabletop game loosely based on association football. [1] Its object is to move the ball into the opponent's goal by manipulating rods which have figures attached resembling football players of two opposing teams.