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  2. Superimposition - Wikipedia

    en.wikipedia.org/wiki/Superimposition

    Superimposition (SI) during sound recording and reproduction (commonly called overdubbing) is the process of adding new sounds over existing without completely erasing or masking the existing sound.

  3. Superposition principle - Wikipedia

    en.wikipedia.org/wiki/Superposition_principle

    Superposition of almost plane waves (diagonal lines) from a distant source and waves from the wake of the ducks. Linearity holds only approximately in water and only for waves with small amplitudes relative to their wavelengths.

  4. Procrustes analysis - Wikipedia

    en.wikipedia.org/wiki/Procrustes_analysis

    GPA applies the Procrustes analysis method to optimally superimpose a set of objects, instead of superimposing them to an arbitrarily selected shape. Generalized and ordinary Procrustes analysis differ only in their determination of a reference orientation for the objects, which in the former technique is optimally determined, and in the latter ...

  5. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    The first is characterized by "ghostlike" grey blobs perceived at the intersections of a white (or light-colored) grid on a black background. The grey blobs disappear when looking directly at an intersection. The second is constructed by superimposing white discs on the intersections of orthogonal gray bars on a black background.

  6. Superposed order - Wikipedia

    en.wikipedia.org/wiki/Superposed_order

    Superposed order of the Colosseum. Superposed order (also superimposed) [1] is one where successive storeys of a building have different orders. [2] The most famous ancient example of such an order is the Colosseum at Rome, which had no less than four storeys of superposed orders. [3]

  7. Georges Méliès - Wikipedia

    en.wikipedia.org/wiki/Georges_Méliès

    Marie-Georges-Jean Méliès (/ m eɪ ˈ l j ɛ s /; [1] French:; 8 December 1861 – 21 January 1938) was a French magician, actor, and film director.He led many technical and narrative developments in the early days of cinema, primarily in the fantasy and science fiction genres.

  8. Fake Shemp - Wikipedia

    en.wikipedia.org/wiki/Fake_Shemp

    Tom Mason (left) standing in for deceased actor Bela Lugosi in the 1957 horror film Plan 9 from Outer Space. A fake Shemp is a type of body double who appears in a film to replace another actor or person, usually when the original actor has died or is otherwise unable or unwilling to reprise their role.

  9. Grid illusion - Wikipedia

    en.wikipedia.org/wiki/Grid_illusion

    It is constructed by superimposing white discs on the intersections of orthogonal gray bars on a black background. Dark dots seem to appear and disappear rapidly at random intersections, hence the label "scintillating". When a person keeps their eyes directly on a single intersection, the dark dot does not appear.