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  2. Tennis ball - Wikipedia

    en.wikipedia.org/wiki/Tennis_ball

    This is an accepted version of this page This is the latest accepted revision, reviewed on 2 January 2025. Ball used in the sport of tennis Tennis balls at the 2012 French Open A tennis ball is a small, hollow ball used in games of tennis and real tennis. Tennis balls are fluorescent yellow in professional competitions, but in recreational play other colors are also used. Tennis balls are ...

  3. Tennis ball theorem - Wikipedia

    en.wikipedia.org/wiki/Tennis_ball_theorem

    The tennis ball theorem was first published under this name by Vladimir Arnold in 1994, [2] [3] and is often attributed to Arnold, but a closely related result appears earlier in a 1968 paper by Beniamino Segre, and the tennis ball theorem itself is a special case of a theorem in a 1977 paper by Joel L. Weiner.

  4. Tennis court - Wikipedia

    en.wikipedia.org/wiki/Tennis_court

    The dimensions of a tennis court. The dimensions of a tennis court are defined and regulated by the International Tennis Federation (ITF) governing body and are written down in the annual 'Rules of Tennis' document. [1] The court is 78 ft (23.77 m) long. Its width is 27 ft (8.23 m) for singles matches and 36 ft (10.97 m) for doubles matches. [2]

  5. Tennis - Wikipedia

    en.wikipedia.org/wiki/Tennis

    Tennis balls must conform to certain criteria for size, weight, deformation, and bounce to be approved for regulation play. The International Tennis Federation (ITF) defines the official diameter as 65.41–68.58 mm (2.575–2.700 in). Balls must weigh between 56.0 and 59.4 g (1.98 and 2.10 oz). [64] Tennis balls were traditionally manufactured ...

  6. Tennis technology - Wikipedia

    en.wikipedia.org/wiki/Tennis_technology

    Originally the tennis ball consisted of rough cloth strips tightly bound together. Eventually the cloth strips became the core, wrapped in twine and covered by a finer cloth or felt hand-stitched around it. [6] In 1972, at the request of Lamar Hunt to televise World Championship Tennis, the tennis ball was manufactured with the optic yellow ...

  7. New gun laws rolling out in multiple states on Jan. 1, 2025 ...

    www.aol.com/gun-laws-rolling-multiple-states...

    California gun safety regulations going into effect Jan. 1. In September, California Gov. Gavin Newsom signed a series of laws aimed at strengthening gun safety regulations. Those include ...

  8. Tennis scoring system - Wikipedia

    en.wikipedia.org/wiki/Tennis_scoring_system

    The tennis scoring system is a standard widespread method for scoring tennis matches, including pick-up games. Some tennis matches are played as part of a tournament, which may have various categories, such as singles and doubles .

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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