News tagged with contact angle

When liquids behave like solids

( —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 form when decompressed. ...

dateDec 10, 2013 in Condensed Matter feature
shares0 comments 0

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 new ways of controlling ...

dateJul 16, 2013 in General Physics
shares0 comments 0