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  2. Philip W. Anderson - Wikipedia

    en.wikipedia.org/wiki/Philip_W._Anderson

    Philip Warren Anderson ForMemRS HonFInstP (December 13, 1923 – March 29, 2020) was an American theoretical physicist and Nobel laureate.Anderson made contributions to the theories of localization, antiferromagnetism, symmetry breaking (including a paper in 1962 discussing symmetry breaking in particle physics, leading to the development of the Standard Model around 10 years later), and high ...

  3. George Palmer (colour theorist) - Wikipedia

    en.wikipedia.org/wiki/George_Palmer_(colour...

    Palmer made a lasting contribution to the development of colour science by being the first to speculate that there are three different mechanisms in the human eye that account for colour vision: "The superficies of the retina is compounded of particles of three different kinds, analogous to the three rays of light; and each of these particles is moved by its own ray."

  4. Hair bleaching - Wikipedia

    en.wikipedia.org/wiki/Hair_bleaching

    Bleaching the hair is a gradual process and different colors may be achieved dependent on the original hair color, application time, and strength of the product used. Applied on black hair, the hair will change its color to brown, red, orange, orange-yellow, yellow, and finally pale yellow. [19]

  5. Color vision - Wikipedia

    en.wikipedia.org/wiki/Color_vision

    Color vision is categorized foremost according to the dimensionality of the color gamut, which is defined by the number of primaries required to represent the color vision. This is generally equal to the number of photopsins expressed: a correlation that holds for vertebrates but not invertebrates .

  6. Tetrachromacy - Wikipedia

    en.wikipedia.org/wiki/Tetrachromacy

    The four pigments in a bird's cone cells (in this example, estrildid finches) extend the range of color vision into the ultraviolet. [1]Tetrachromacy (from Greek tetra, meaning "four" and chroma, meaning "color") is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cell in the eye.

  7. Philosophy of color - Wikipedia

    en.wikipedia.org/wiki/Philosophy_of_color

    Color vision became an important part of contemporary analytic philosophy due to the claim by scientists like Leo Hurvich that the physical and neurological aspects of color vision had become completely understood by empirical psychologists in the 1980s. An important work on the subject was C. L. Hardin's 'Color for Philosophers,' which ...

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