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  2. Impossible color - Wikipedia

    en.wikipedia.org/wiki/Impossible_color

    Human color sensation is defined by the sensitivity curves (shown here normalized) of the three kinds of cone cells: respectively the short-, medium- and long-wavelength types. Impossible colors are colors that do not appear in ordinary visual functioning. Different color theories suggest different hypothetical colors that humans are incapable ...

  3. Synesthesia - Wikipedia

    en.wikipedia.org/wiki/Synesthesia

    A person with synesthesia may associate certain letters and numbers with certain colors. Most synesthetes see characters just as others do (in whichever color actually displayed) but they may simultaneously perceive colors as associated with or evoked by each one. Synesthesia (American English) or synaesthesia (British English) is a perceptual ...

  4. Retina display - Wikipedia

    en.wikipedia.org/wiki/Retina_display

    The displays are manufactured worldwide by different suppliers. Currently, the iPad's display comes from Samsung, [12] while the MacBook Pro and iPod Touch displays are made by LG Display [13] and Japan Display Inc. [14] There was a shift of display technology from twisted nematic (TN) liquid-crystal displays (LCDs) to in-plane switching (IPS) LCDs starting with the iPhone 4 models in June 2010.

  5. iPad (1st generation) - Wikipedia

    en.wikipedia.org/wiki/IPad_(1st_generation)

    A dock holds the iPad upright at an angle, and has a dock connector and audio line-out port. Each generation of iPad requires a corresponding dock. A dock that included a physical keyboard was only supported for the original iPad, [52] but all generations are compatible with Bluetooth keyboards that also work with Macs and PCs. The iPad can be ...

  6. iPad (9th generation) - Wikipedia

    en.wikipedia.org/wiki/IPad_(9th_generation)

    The iPad (9th generation)[3][4] (also referred to as the iPad 10.2-inch) is a tablet computer developed and marketed by Apple as the successor to the eighth-generation iPad. It was announced on September 14, 2021, and released on September 24. The ninth-generation iPad was discontinued on May 7, 2024, with the announcement of the iPad Air (6th ...

  7. List of iPad models - Wikipedia

    en.wikipedia.org/wiki/List_of_iPad_models

    The color of the plastic is dependent on the device. Wi-Fi + Cellular models also have a long, thin line of plastic for the cellular antenna on top. The color of the plastic is dependent on the device. Colors Power 3.81 V 19.19 W·h (5,034 mA·h) [54] 3.82 V 19.3 W·h (5,124 mA·h) [55] Included Charger 20 W (9 V 2.22 A) USB-C

  8. Chromesthesia - Wikipedia

    en.wikipedia.org/wiki/Chromesthesia

    Chromesthesia or sound-to-color synesthesia is a type of synesthesia in which sound involuntarily evokes an experience of color, shape, and movement. [1][2] Individuals with sound-color synesthesia are consciously aware of their synesthetic color associations/ perceptions in daily life. [3] Synesthetes that perceive color while listening to ...

  9. Color phi phenomenon - Wikipedia

    en.wikipedia.org/wiki/Color_phi_phenomenon

    The color phi phenomenon is the fact that, when apparent motion is induced between objects with different colors, the color of the apparently moving object abruptly changes midway along the path. It is a perceptual illusion described by psychologists Paul Kolers and Michael von Grünau [1] in which a disembodied perception of motion is produced ...