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  2. Facial symmetry - Wikipedia

    en.wikipedia.org/wiki/Facial_symmetry

    Facial bilateral symmetry is typically defined as fluctuating asymmetry of the face comparing random differences in facial features of the two sides of the face. [4] The human face also has systematic, directional asymmetry : on average, the face (mouth, nose and eyes) sits systematically to the left with respect to the axis through the ears ...

  3. Cupola (geometry) - Wikipedia

    en.wikipedia.org/wiki/Cupola_(geometry)

    It is convenient to fix the coordinate system so that the base lies in the xy-plane, with the top in a plane parallel to the xy-plane. The z-axis is the n-fold axis, and the mirror planes pass through the z-axis and bisect the sides of the base. They also either bisect the sides or the angles of the top polygon, or both.

  4. Face (geometry) - Wikipedia

    en.wikipedia.org/wiki/Face_(geometry)

    In solid geometry, a face is a flat surface (a planar region) that forms part of the boundary of a solid object; [1] a three-dimensional solid bounded exclusively by faces is a polyhedron. A face can be finite like a polygon or circle, or infinite like a half-plane or plane.

  5. Symmetry - Wikipedia

    en.wikipedia.org/wiki/Symmetry

    For a human observer, some symmetry types are more salient than others, in particular the most salient is a reflection with a vertical axis, like that present in the human face. Ernst Mach made this observation in his book "The analysis of sensations" (1897), [ 27 ] and this implies that perception of symmetry is not a general response to all ...

  6. Face detection - Wikipedia

    en.wikipedia.org/wiki/Face_detection

    Face detection is gaining the interest of marketers. A webcam can be integrated into a television and detect any face that walks by. The system then calculates the race, gender, and age range of the face. Once the information is collected, a series of advertisements can be played that is specific toward the detected race/gender/age.

  7. Eminem loses his boyish face, shows new wrinkles - AOL

    www.aol.com/entertainment/2014-11-07-how-eminem...

    By RYAN GORMAN Multi-platinum rapper Eminem's look has not changed much over the years, but he certainly has aged. The previously baby-faced lyricist appeared at the Wall Street Journal's ...

  8. Supersymmetric gauge theory - Wikipedia

    en.wikipedia.org/wiki/Supersymmetric_gauge_theory

    A global symmetry is a symmetry applied uniformly (in some sense) to each point of a manifold. A local symmetry is a symmetry which is position dependent. Gauge symmetry is an example of a local symmetry, with the symmetry described by a Lie group (which mathematically describe continuous symmetries), which in the context of gauge theory is ...

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