Posts Tagged ‘coffee ring effect’
Particle size matters when coffee dries up
U. PENNSYLVANIA (US) — The “coffee-ring effect” is why some liquids leave behind a ring-shaped stain when they evaporate. Scientists reveal why the shape of the particles matters. Continue…
Wednesday, January 23, 2013 12:37 - 0 Comments
Science & Technology - Aug 22, 2011 14:36 - 1 Comment
Physicists undo the ‘coffee ring effect’
U. PENN (US) — By changing the shape of particles, physicists are able to disrupt a common phenomenon known as the “coffee ring effect“— the ring-shaped stain left after coffee drops evaporate. (more…)
