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  2. Orientation column - Wikipedia

    en.wikipedia.org/wiki/Orientation_column

    Pinwheel formations in the primary visual cortex with singularities in the center. Each color represents an orientation column of a specific line phase. Adapted image from fMRI studies. [11] Using 2D optical techniques, pinwheel formations (also known as whorls) of orientation columns were discovered.

  3. Spinning pinwheel - Wikipedia

    en.wikipedia.org/wiki/Spinning_pinwheel

    The spinning pinwheel is a type of progress indicator and a variation of the mouse pointer used in Apple's macOS to indicate that an application is busy. [ 1 ] Officially, the macOS Human Interface Guidelines refer to it as the spinning wait cursor , [ 2 ] but it is also known by other names.

  4. Wagon-wheel effect - Wikipedia

    en.wikipedia.org/wiki/Wagon-wheel_effect

    They also showed that illusory motion reversal occurs with non-uniform and non-periodic stimuli (for example, a spinning belt of sandpaper), which also cannot be compatible with discrete sampling. Kline and Eagleman proposed instead that the effect results from a "motion during-effect", meaning that a motion after-effect becomes superimposed on ...

  5. Vision statement - Wikipedia

    en.wikipedia.org/wiki/Vision_statement

    The vision and mission statements of the LUMO Community Wildlife Sanctuary. A vision statement is a high-level, [1] inspirational [1] statement of an idealistic emotional future of a company or group. Vision describes the basic human emotion that a founder intends to be experienced by the people the organization interacts with.

  6. Cursor (user interface) - Wikipedia

    en.wikipedia.org/wiki/Cursor_(user_interface)

    While a computer process is performing tasks and cannot accept user input, a wait pointer (an hourglass in Windows before Vista and many other systems, a spinning ring in Windows Vista and later, a watch in classic Mac OS, or a spinning pinwheel in macOS) is displayed when the mouse pointer is in the corresponding window.

  7. Throbber - Wikipedia

    en.wikipedia.org/wiki/Throbber

    A throbber animation like that seen on many websites when a blocking action is being performed in the background. A throbber, also known as a loading icon, is an animated graphical control element used to show that a computer program is performing an action in the background (such as downloading content, conducting intensive calculations or communicating with an external device).

  8. Newton disc - Wikipedia

    en.wikipedia.org/wiki/Newton_disc

    Colour distribution of a Newton disk. The Newton disk, also known as the disappearing color disk, is a well-known physics experiment with a rotating disk with segments in different colors (usually Newton's primary colors: red, orange, yellow, green, blue, indigo, and violet, commonly known by the abbreviation ROYGBIV) appearing as white (or off-white or grey) when it's spun rapidly about its axis.

  9. Peripheral drift illusion - Wikipedia

    en.wikipedia.org/wiki/Peripheral_drift_illusion

    Illusion similar to Rotating Snakes. Rotating snakes is an optical illusion developed by Professor Akiyoshi Kitaoka in 2003. [1] A type of peripheral drift illusion, the "snakes" consist of several bands of color which resemble coiled serpents.