Coffee stains encourage new printing method – The Press Stories

Have you ever spilled your coffee on your desk? You may then have observed one of the most puzzling phenomena of fluid mechanics the coffee-ring impact.
Coffee rings form simply because the liquid evaporates a lot quicker at the edges, causing an accumulation of sound particles that final results in the characteristic dim ring.
Inks behave like coffee particles in the ink accumulate all-around the edges building irregular shapes and uneven surfaces, specifically when printing on tricky surface…

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