An example of how a dried piece of clay having lower bentonite content (left) absorbs a drop of water faster. After 10 seconds (middle picture) the water is gone while the other is still wet. By 30 seconds (bottom) all traces of water are gone.
Pages that reference this post in the Digitalfire Reference Library:
This post is one of thousands found in the Digitalfire Reference Database. Most are part of a timeline maintained by Tony Hansen. You can search that timeline on the home page of digitalfire.com.