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The ping-pong lemma was a key tool used by Jacques Tits in his 1972 paper [2] containing the proof of a famous result now known as the Tits alternative. The result states that a finitely generated linear group is either virtually solvable or contains a free subgroup of rank two.
The name "ping-pong" then came to describe the game played using the rather expensive Jaques's equipment, with other manufacturers calling it table tennis. A similar situation arose in the United States, where Jaques sold the rights to the "ping-pong" name to Parker Brothers .
In a typical Ganzfeld experiment, a "receiver" is placed in a room relaxing in a comfortable chair with halved ping-pong balls over the eyes, having a red light shone on them. The receiver also wears a set of headphones through which white or pink noise (static) is played. The receiver is in this state of mild sensory deprivation for half an hour.
Breakmaster Cylinder grew up playing piano, learning to perform classical compositions by Johann Sebastian Bach and others. [3] [4] They first began working with music sampling using ping-pong recording techniques between two cassette tape decks, and then later acquired a keyboard with loop-recording capabilities.
Ping-pong recording (also called ping-ponging, bouncing tracks, or reduction mixing) is a method of sound recording. It involves combining multiple track stems into one, allowing more room for overdubbing when using tape recorders with a limited set of tracks. It is also used to simplify mixdowns. The two most common methods consist of
In routing, a Ping-Pong scheme is a simple algorithm for distributing data packets across two paths.If you had two paths A and B, then the algorithm would randomly start with one of the paths and then switch back and forth between the two.
Teqball is a ball sport that is played on a curved table, combining elements of sepak takraw and table tennis.Back and forth, the players hit a football (soccer ball) with any part of the body except arms and hands.
This glossary defines terms related to the sport of table tennis.. Alternation of ends After each game, players switch sides of the table. In the last possible game of a match, for example the seventh game in a best of seven matches, players change ends when the first player scores five points, regardless of whose turn it is to serve.