City Pedia Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Visible spectrum - Wikipedia

    en.wikipedia.org/wiki/Visible_spectrum

    White light is dispersed by a prism into the colors of the visible spectrum. The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light (or simply light). The optical spectrum is sometimes considered to be the same as the ...

  3. Impossible color - Wikipedia

    en.wikipedia.org/wiki/Impossible_color

    Impossible color. The human eye's red-to-green and blue-to-yellow values of each one-wavelength visible color [citation needed] 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 ...

  4. Color blindness - Wikipedia

    en.wikipedia.org/wiki/Color_blindness

    Red–green: 8% males, 0.5% females (Northern European descent) [2] Color blindness or color vision deficiency ( CVD) is the decreased ability to see color or differences in color. [2] The severity of color blindness ranges from mostly unnoticeable to full absence of color perception. Color blindness is usually an inherited problem or variation ...

  5. Does staring at screens ruin your eyes? - AOL

    www.aol.com/lifestyle/2014-02-27-does-staring-at...

    We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...

  6. Color wheel (optics) - Wikipedia

    en.wikipedia.org/wiki/Color_wheel_(optics)

    Color wheel (optics) An 1895 mechanical color wheel, used for experiments with color vision. A mechanical four-petal (red, green, blue, white) color wheel inside a 1998 digital light processing (DLP) video projector. A color wheel or other switch for changing a projected hue (e.g., for an optical display) is a device that uses different optics ...

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Eye color - Wikipedia

    en.wikipedia.org/wiki/Eye_color

    The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3] : 9. In humans, the pigmentation of the iris varies from light ...

  9. Color vision - Wikipedia

    en.wikipedia.org/wiki/Color_vision

    For example, medium cones cannot be activated completely on their own; if they were, we would see a 'hyper-green' color. Dimensionality. 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