The Physics of Coffee Rings

[http://youtu.be/ZaCGoSTMHyc] (YouTube link)This v...  ...ngely fascinating process behind the formation of coffee rings on a surface. As the water evaporates, the...  .... As the water evaporates, the solid particles of coffee rush to the edges of the spill. The research was...  ...use we all know that scientis...

http://www.neatorama.com/2012/10/29/The-Physics-of-Coffee-Rings/