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  2. Magnus effect - Wikipedia

    en.wikipedia.org/wiki/Magnus_effect

    The Magnus effect is not responsible for the movement seen in conventional swing bowling, [30]: Fig. 4.19 in which the pressure gradient is not caused by the ball's spin, but rather by its raised seam, and the asymmetric roughness or smoothness of its two halves; however, the Magnus effect may be responsible for so-called "Malinga Swing", [31 ...

  3. LIGO - Wikipedia

    en.wikipedia.org/wiki/LIGO

    The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment and observatory designed to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool. [1]

  4. Volleyball offensive systems - Wikipedia

    en.wikipedia.org/wiki/Volleyball_Offensive_Systems

    Volleyball offense is how a team can attempt to score a point by causing the ball to land on the opposing teams side of the court. Generally, this is done by first receiving the ball from the other side in the form of either an attack or serve, having the ball set to an attacker, and then having a player jump and attack the ball. Once the ball ...

  5. Volleyball jargon - Wikipedia

    en.wikipedia.org/wiki/Volleyball_jargon

    Jungleball or Barbecue ball or Picnic ball : A volleyball game played by inexperienced players with little ball control; Killing Ants : when a player digging a hit passes the ball directly into the ground; Killshot : on a serve or a swing when the ball hits the passers neck or chest region, in between digging and getting facialed

  6. Float serve - Wikipedia

    en.wikipedia.org/wiki/Float_serve

    Float serves are only possible with minimal to no spin of the volleyball while it is moving in the air. [1] Unlike a topspin serve, which uses the spin of the ball to create a constant difference in pressure that drives the ball downward at a high speed, the float serve can be affected in any direction by the random forces of the air and pressure (drag, lift, drag crisis, turbulence) because ...

  7. These are the pedophile symbols you need to know to protect ...

    www.aol.com/news/2016-04-26-these-are-the...

    In March, a mother was horrified to find a pedophile symbol on a toy she bought for her daughter. Although the symbol was not intentionally placed on the toy by the company who manufactured the ...

  8. Gravitational-wave astronomy - Wikipedia

    en.wikipedia.org/wiki/Gravitational-wave_astronomy

    LIGO co-founders Barry C. Barish, Kip S. Thorne, and Rainer Weiss were awarded the 2017 Nobel Prize in Physics for their ground-breaking contributions in gravitational wave astronomy. When distant astronomical objects are observed using electromagnetic waves, different phenomena like scattering, absorption, reflection, refraction, etc. causes ...

  9. Volleyball spiking - Wikipedia

    en.wikipedia.org/wiki/Volleyball_spiking

    "Spiking" as it related to volleyball entered the international and American lexicon through video games, movies and the growing popularity of the AVP. In 1916 the " set " and "spike" was created in the Philippines where the six-sided play and three hits per side rule were instituted in the following years.