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ink
Hermann Rorschach spills the ink
Behaviour
July 18, 2021
Egyptians wanted their words to stick
Civilisations
October 28, 2020
Want invisible ink? Just put water in your inkjet
Materials
September 25, 2019
Ancient Egyptians preferred metallic inks
Chemistry
November 15, 2017
Invisible ink uses metal-organic frameworks
Chemistry
October 31, 2017
Mesmerising video of ink swirling in water
Chemistry
May 29, 2017