Science
Coffee stains inspire new printing technique – Mirage News
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…
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 effect.
Coffee rings form because the liquid evaporates quicker at the edges, causing an accumulation of solid particles that results in the characteristic dark ring.
Inks behave like coffee – particles in the ink accumulate around the edges creating irregular shapes and uneven surfaces, especially when printing on hard surfaces like silicon wafers …
-
General15 hours agoCampers evacuated, residents on alert as Moreton Island bushfire intensifies
-
Noosa News21 hours agoPerth Royal Show vendors upset by price hikes, say crowds are down in 2025
-
Business23 hours agoBell Potter names the best ASX shares to buy in October
-
General20 hours agoAustralia welcomes Gaza peace progress, hostage release