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  2. Candela per square metre - Wikipedia

    en.wikipedia.org/wiki/Candela_per_square_metre

    The nit (symbol: nt) is a non-SI name also used for this unit (1 nt = 1 cd/m 2). [1] The term nit is believed to come from the Latin word nitēre, "to shine". [2] As a measure of light emitted per unit area, this unit is frequently used to specify the brightness of a display device. The sRGB spec for monitors targets 80 cd/m 2. [3]

  3. HDR10 - Wikipedia

    en.wikipedia.org/wiki/HDR10

    Color sub-sampling: 4:2:0 (for compressed video sources) PQ10 refers to an HDR format that uses PQ, 10-bit and Rec. 2100 color primaries without having any metadata. [3] HDR10 is technically limited to a maximum of 10,000 nits peak brightness, however common HDR10 contents are mastered with peak brightness from 1,000 to 4,000 nits. [5]

  4. Luminance - Wikipedia

    en.wikipedia.org/wiki/Luminance

    Brightness is the term for the subjective impression of the objective luminance measurement standard (see Objectivity (science) § Objectivity in measurement for the importance of this contrast). The SI unit for luminance is candela per square metre (cd/m 2). A non-SI term for the same unit is the nit.

  5. Optical brightener - Wikipedia

    en.wikipedia.org/wiki/Optical_brightener

    A white surface treated with an optical brightener can emit more visible light than that which shines on it, making it appear brighter. The blue light emitted by the brightener compensates for the diminishing blue of the treated material and changes the hue away from yellow or brown and toward white.

  6. High-dynamic-range television - Wikipedia

    en.wikipedia.org/wiki/High-dynamic-range_television

    The highlights—the brightest parts of an image—can be brighter, more colorful, and more detailed. [2] The larger capacity for brightness can be used to increase the brightness of small areas without increasing the overall image's brightness, resulting in, for example, bright reflections from shiny objects, bright stars in a dark night scene, and bright and colorful light-emissive objects ...

  7. This Color-Boosting Treatment Restores Shade and Shine in ...

    www.aol.com/entertainment/color-boosting...

    And now you can join the color correction club. Available in a wide range of colors, from cool brown to copper, this product instantly extends the life of color-treated hair . Adjust the shade of ...

  8. Candela - Wikipedia

    en.wikipedia.org/wiki/Candela

    The 26th General Conference on Weights and Measures (CGPM) redefined the candela in 2018. [10] [11] The new definition, which took effect on 20 May 2019, is: The candela [...] is defined by taking the fixed numerical value of the luminous efficacy of monochromatic radiation of frequency 540 × 10 12 Hz, [a] K cd, to be 683 when expressed in the unit lm W −1, which is equal to cd sr W −1 ...

  9. The 14 Best Shampoos for Color-Treated Hair, According to ...

    www.aol.com/lifestyle/14-best-shampoos-color...

    From a more budget-friendly option like bondbar to a splurge-worthy find like Kérastase or our overall pick (we’re looking at you, Olaplex), keep reading to find the 14 best shampoos for color ...