SEO white: a story about hat
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Just another SEO, but white
The white is the color of a body heated to about 5 000 ° C (see article Corps black). It is the visual sensation achieved with a continuous spectrum of light, where the image that they are sometimes "it is the color achieved by mixing the light of all colours". It's light that can be achieved by observing titanium dioxide illuminated by the sun of noon. For some white is a value and not a color. Actually, the human eye sees as any white light seen as a balanced mix of the three primary colors.
There are an infinite number of possible mixtures of wavelengths giving white to the eye, Busby SEO Challenge and if the sum of all wavelengths gives white, simply add (within the meaning of the additive synthesis) two lengths Additional waves as yellow and blue or magenta and green, to get white light. The distinction between different white lights may be possible if the absorption spectra of objects illuminated do not return all the components of two lights. Technically, white is the one that best reflects solar radiation. It is very often used to protect tanks and containers with contents fears the heat. In hot countries, the white cars are especially appreciated because the color white is easier to value the line of the vehicle and returning a portion of sunlight, allows for better comfort inside. In recent years, the Middle East and Japan, white is very popular and the rate of white cars is increasing, especially since many nuances are available (pure, snow, ivory, pearl ...)
If one considers the additive synthesis (superposition of monochromatic light beams), white is the reunion of all colors, black is the absence of color. If one considers the subtractive color (a mixture of pigments, paints), white is reached on a SEO challenge or clean sheet (as long as the leaf itself is white and illuminated by white light), and black is obtained by the mixture of all colors.
In the colour code of electrical resistors and capacitors, the white figure corresponds to 9 and a temperature coefficient of 1ppm. In the IEC 60757 standard, we call WT (abbreviation for white).