Writing on stable supplies, like parchment or paper, is feasible as a result of the ink binds to the floor and stays undisturbed. But in a liquid, particles are continuously shifting round, and ink shortly disperses – till now.
Thomas Palberg at Johannes Gutenberg University Mainz in Germany and his colleagues have used a resin bead to attract traces and patterns in water containing ink particles. It works as a result of the bead produces paths of low acidity via the water that appeal to the ink.
To transfer the bead alongside particular …
Source: www.newscientist.com