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  2. Echoes, Silence, Patience & Grace - Wikipedia

    en.wikipedia.org/wiki/Echoes,_Silence,_Patience...

    Echoes, Silence, Patience & Grace is the sixth studio album by American rock band Foo Fighters, released on September 25, 2007, through Roswell and RCA Records.The album is noted for a blend of regular rock and acoustic tracks with shifting dynamics, which emerged from the variety of styles employed on the demos the band produced.

  3. Light front quantization - Wikipedia

    en.wikipedia.org/wiki/Light_front_quantization

    In Dirac's instant-form dynamics the kinematic subgroup is the three-dimensional Euclidean subgroup generated by spatial translations and rotations, in Dirac's point-form dynamics the kinematic subgroup is the Lorentz group and in Dirac's "light-front dynamics" the kinematic subgroup is the group of transformations that leave a three ...

  4. Celestial mechanics - Wikipedia

    en.wikipedia.org/wiki/Celestial_mechanics

    Isaac Newton is credited with introducing the idea that the motion of objects in the heavens, such as planets, the Sun, and the Moon, and the motion of objects on the ground, like cannon balls and falling apples, could be described by the same set of physical laws. In this sense he unified celestial and terrestrial dynamics.

  5. Guidance, navigation, and control - Wikipedia

    en.wikipedia.org/wiki/Guidance,_navigation,_and...

    Celestial navigation is a position fixing technique that was devised to help sailors cross the featureless oceans without having to rely on dead reckoning to enable them to strike land. Celestial navigation uses angular measurements (sights) between the horizon and a common celestial object. The Sun is most often measured.

  6. College football games today: How to watch, stream Saturday's ...

    www.aol.com/sports/college-football-games-today...

    With CFP positioning on the line in many of these games, here is how to watch all of the action today that will shape the playoff.

  7. FAA reports record number of flights for Thanksgiving so far

    www.aol.com/news/faa-reports-record-numbers...

    The Federal Aviation Administration is reporting a record number of flights for Thanksgiving week this year. There were over 232,000 flights across the U.S. between Nov. 24 and 28, the FAA said ...

  8. 25 Unconventional Pets Owned by Celebrities - AOL

    www.aol.com/lifestyle/25-unconventional-pets...

    Being a celebrity can be tough. All of the adulation and constant media attention can take its toll. It’s not surprising that some celebrities take solace in the company of animals to give them ...

  9. Spacecraft attitude control - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_attitude_control

    A spacecraft's attitude must typically be stabilized and controlled for a variety of reasons. It is often needed so that the spacecraft high-gain antenna may be accurately pointed to Earth for communications, so that onboard experiments may accomplish precise pointing for accurate collection and subsequent interpretation of data, so that the heating and cooling effects of sunlight and shadow ...