News tagged with contact angle

When liquids behave like solids

(Phys.org) —When a rubber ball and a droplet of water are compressed onto a solid surface, they behave very differently. For the ball, the compression process is reversible, so the ball retains its original ...

Dec 10, 2013 4.5 / 5 (15) 0 | with audio podcast feature

Unexpected ice-formation mechanism

(PhysOrg.com) -- Extremely hydrophobic materials cause water to roll right off objects that have been coated with them. Up to now, it was assumed that aircraft or wind turbines coated in such a way did not ...

Jan 18, 2012 3.5 / 5 (4) 2 | with audio podcast

Explained: Hydrophobic and hydrophilic

Sometimes water spreads evenly when it hits a surface; sometimes it beads into tiny droplets. While people have noticed these differences since ancient times, a better understanding of these properties, and ...

Jul 16, 2013 4.3 / 5 (3) 0