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The original photograph of the dress. The dress was a 2015 online viral phenomenon centred on a photograph of a dress. Viewers disagreed on whether the dress was blue and black, or white and gold. The phenomenon revealed differences in human colour perception and became the subject of scientific investigations into neuroscience and vision science.
In a nod to her Glinda the Good Witch era, the actor and singer had her hair up in a pretty side-parted ballerina bun and wore shimmery white eyeshadow and a glossy lip. Dominik Bindl - Getty Images
At the same time, darker days call for a change in winter hair color trends. "In winter, usually people warm up, deepen, or darken a bit, mimicking the natural world," Christine Thompson, a color ...
A wash of diluted ink or watercolor paint applied in combination with drawing is called pen and wash, wash drawing, or ink and wash. [ citation needed ] Normally only one or two colours of wash are used; if more colours are used the result is likely to be classified as a full watercolor painting .
Bottles of ink from Germany Writing ink and a quill. Ink is a gel, sol, or solution that contains at least one colorant, such as a dye or pigment, and is used to color a surface to produce an image, text, or design. Ink is used for drawing or writing with a pen, brush, reed pen, or quill.
A permanent marker can also be removed by drawing over it with a dry erase marker on non-porous surfaces such as a whiteboard, [3] as dry erase markers also contain a non-polar solvent. Most dry-erase board cleaner solutions also contain effective organic solvents like 2-butoxyethanol to remove the pigment.
Noodler's Black fountain pen ink writing samples. This is a 'bulletproof' permanent ink featuring cellulose-reactive dye. In the late 20th century, particular attention has been paid by ink manufacturers to the durability of their products against the effects of time, light, moisture, and efforts at forgery or falsification [ 10 ] ( see Check ...
Gel pens. Compared to other inks, gel ink has higher melting point viscosity, which supports a higher proportion of pigments in the medium.The pigments are typically copper phthalocyanine, carbon black and iron oxides, and the gel is made up of water and biopolymers, such as xanthan gum and tragacanth gum, as well as some types of polyacrylate thickeners.