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  2. Von Luschan's chromatic scale - Wikipedia

    en.wikipedia.org/wiki/Von_Luschan's_chromatic_scale

    The von Luschan scale was used to establish racial classifications of populations according to skin color; in this respect it is in contrast to the Fitzpatrick scale intended for the classification of the skin type of individuals introduced in 1975 by Harvard dermatologist Thomas B. Fitzpatrick to describe sun tanning behavior.

  3. Blood red - Wikipedia

    en.wikipedia.org/wiki/Blood_red

    The colour blood red is a dark shade of the colour red meant to resemble the colour of human blood (which is composed of oxygenated red erythrocytes, white leukocytes, and yellow blood plasma). [2]

  4. Legality of child pornography - Wikipedia

    en.wikipedia.org/wiki/Legality_of_child_pornography

    Child pornography is illegal in most countries, but there is substantial variation in definitions, categories, penalties, and interpretations of laws. Differences include the definition of "child" under the laws, which can vary with the age of sexual consent; the definition of "child pornography" itself, for example on the basis of medium or degree of reality; and which actions are criminal (e ...

  5. Glass coloring and color marking - Wikipedia

    en.wikipedia.org/wiki/Glass_coloring_and_color...

    Together with chromium it gives a richer green color, used for wine bottles. Sulfur, together with carbon and iron salts, is used to form iron polysulfides and produce amber glass ranging from yellowish to almost black. In borosilicate glasses rich in boron, sulfur imparts a blue color. With calcium it yields a deep yellow color. [4]

  6. Molecular electronic transition - Wikipedia

    en.wikipedia.org/wiki/Molecular_electronic...

    In theoretical chemistry, molecular electronic transitions take place when electrons in a molecule are excited from one energy level to a higher energy level. The energy change associated with this transition provides information on the structure of the molecule and determines many of its properties, such as colour .

  7. Data and information visualization - Wikipedia

    en.wikipedia.org/wiki/Data_and_information...

    Gantt chart: Gantt chart: color; time (flow) Type of bar chart that illustrates a project schedule; Modern Gantt charts also show the dependency relationships between activities and current schedule status. For example, used in project planning; Heat map: Heat map: color; categorical variable; Represents the magnitude of a phenomenon as color ...

  8. Automotive fuse - Wikipedia

    en.wikipedia.org/wiki/Automotive_fuse

    Blade fuses use a common coloring scheme for the Micro2, Micro3, low-profile (LP) Mini, Mini, and regular size fuses, and a partial color similarity with the maxi size fuses. The following table shows the commonly available fuses for each size group.

  9. Greedy coloring - Wikipedia

    en.wikipedia.org/wiki/Greedy_coloring

    In the study of graph coloring problems in mathematics and computer science, a greedy coloring or sequential coloring [1] is a coloring of the vertices of a graph formed by a greedy algorithm that considers the vertices of the graph in sequence and assigns each vertex its first available color. Greedy colorings can be found in linear time, but ...