In blotting-paper when it takes up the ink, and in bread when it soaks up the juice of meats.
What other examples may be given?
When one end of a towel is placed in a basin of water, and the other end is left hanging outside the basin, the water will pass through the towel by capillary attraction, until the basin is entirely dry.
Why is water in a glass tumbler a little elevated at the edges?
Because the glass has a slight attraction for the water near it, and thus lifts it up a little.
Why will water rise in a small glass tube higher than in the surrounding vessel?
Because the glass has an attraction for the water, and elevates it at the edges, as is shown in [Fig. 26].
Fig. 26.
Why do salt and other substances dissolve in water?