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  2. Dynamical billiards - Wikipedia

    en.wikipedia.org/wiki/Dynamical_billiards

    A particle moving inside the Bunimovich stadium, a well-known chaotic billiard. See the Software section for making such an animation.. A dynamical billiard is a dynamical system in which a particle alternates between free motion (typically as a straight line) and specular reflections from a boundary.

  3. Four-ball billiards - Wikipedia

    en.wikipedia.org/wiki/Four-ball_billiards

    Four-ball billiards. Four-ball billiards or four-ball carom (often abbreviated to simply four-ball, and sometimes spelled 4-ball or fourball) is a carom billiards game, played on a pocketless 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 yellow instead of spotted).

  4. Donald Kirkpatrick - Wikipedia

    en.wikipedia.org/wiki/Donald_Kirkpatrick

    He is best known for creating a highly influential 'four level' model for training course evaluation, which served as the subject of his Ph.D. dissertation in 1954. Kirkpatrick's ideas were published to a broader audience in 1959 in a series of articles in the US Training and Development Journal , but they are better known from a book he ...

  5. High Speed (pinball) - Wikipedia

    en.wikipedia.org/wiki/High_Speed_(pinball)

    Once all nine have been lit, the objective is to shoot the ball up the ramp again, thus "running the red light," and starting the police chase mode. To escape the police, the player can either shoot the ball up the ramp again (a Getaway) or by lighting all nine stoplight targets again and then shooting the eject hole (an Escape), starting multi ...

  6. Fake 4-ball - Wikipedia

    en.wikipedia.org/wiki/Fake_4-ball

    In mathematics, a fake 4-ball is a compact contractible topological 4-manifold. Michael Freedman proved that every three-dimensional homology sphere bounds a fake 4-ball.

  7. Chase (algorithm) - Wikipedia

    en.wikipedia.org/wiki/Chase_(algorithm)

    The chase is a simple fixed-point algorithm testing and enforcing implication of data dependencies in database systems. It plays important roles in database theory as well as in practice. It is used, directly or indirectly, on an everyday basis by people who design databases, and it is used in commercial systems to reason about the consistency ...

  8. Four-ball golf - Wikipedia

    en.wikipedia.org/wiki/Four-ball_golf

    Four-ball is a pairs playing format in the game of golf.It is also known as better ball [1] or best ball.It is also sometimes abbreviated as 4BBB.. In a stroke play competition, competitors are paired and play as a team.

  9. Special Criminal Investigation - Wikipedia

    en.wikipedia.org/wiki/Special_Criminal_Investigation

    Instead of the black Porsche 928 of the first game, the player commands a red example of the just-introduced (at the time) Nissan 300ZX Z32 T-Top Turbo.Unlike the first game, the player is able to fire at offending vehicles, with some cabinets containing buttons on the steering wheel, and others having a fire button on the gearshift, along with a button to activate the nitrous boost.