Investigate a variety of black ink markers, and find out why they look black. Blank inks are usually mixtures of a variety of colored ink pigments in liquid solvents. Chromatography is a technique ...

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Some ink tank printers use a hybrid system that combines a replaceable cartridge with refillable ink tanks. These systems are ...

That’s where San Francisco-based filmmaker Zhang Weimin and her documentary Of Color and Ink have stepped in. In 2011, Weimin ...