One of the best practical illustrations of the effect of surface tension is found in capillarity. For this topic the instructor will do well to base his teaching upon surface tension. It is this force that raises the water in a clean glass capillary tube and that depresses the mercury in such a tube.
©1929 by Iowa State Teachers College
Science Bulletin: Vol. 1:
7, Article 9.
Available at: https://scholarworks.uni.edu/science_bulletin/vol1/iss7/9