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  2. Rotation of axes in two dimensions - Wikipedia

    en.wikipedia.org/wiki/Rotation_of_axes_in_two...

    In mathematics, a rotation of axes in two dimensions is a mapping from an xy-Cartesian coordinate system to an x′y′-Cartesian coordinate system in which the origin is kept fixed and the x′ and y′ axes are obtained by rotating the x and y axes counterclockwise through an angle .

  3. Fantasy cartography - Wikipedia

    en.wikipedia.org/wiki/Fantasy_cartography

    Fantasy cartography, fictional map-making, or geofiction is a type of map design that visually presents an imaginary world or concept, ... [11] and Inkarnate. [12]

  4. South-up map orientation - Wikipedia

    en.wikipedia.org/wiki/South-up_map_orientation

    The history of south-up map orientation as political statement can be traced back to the early 1900s. Joaquín Torres García, a Uruguayan modernist painter, created one of the first maps to make a political statement related to north-south map positions entitled "América Invertida". "Torres-García placed the South Pole at the top of the ...

  5. Witnesses describe moment American Airlines jet collided with ...

    www.aol.com/news/witnesses-describe-moment...

    Abadi Ismail said he had a “cinematic view” of the Potomac River and Reagan National Airport as he was near Buzzard Point in Southwest Washington, DC when the mid-air collision happened.

  6. Rotation matrix - Wikipedia

    en.wikipedia.org/wiki/Rotation_matrix

    Then rotate the given axis and the point such that the axis is aligned with one of the two coordinate axes for that particular coordinate plane (x, y or z) Use one of the fundamental rotation matrices to rotate the point depending on the coordinate axis with which the rotation axis is aligned.

  7. Child-abusing mommy bloggers Ruby Franke and friend ... - AOL

    www.aol.com/child-abusing-mommy-bloggers-ruby...

    A Utah man claims he lost more than $1 million after his spouse became enthralled with disgraced Utah parenting bloggers Ruby Franke and Jodi Hildebrandt's bizarre "counseling."

  8. China's JD.com moves into food delivery, starts recruiting ...

    www.aol.com/news/chinas-jd-com-moves-food...

    China's e-commerce giant JD.com is venturing into the country's highly competitive food delivery business, announcing on Tuesday that it will register catering merchants on its courier system.

  9. Poincaré map - Wikipedia

    en.wikipedia.org/wiki/Poincaré_map

    A two-dimensional Poincaré section of the forced Duffing equation. In mathematics, particularly in dynamical systems, a first recurrence map or Poincaré map, named after Henri Poincaré, is the intersection of a periodic orbit in the state space of a continuous dynamical system with a certain lower-dimensional subspace, called the Poincaré section, transversal to the flow of the system.