My students are enjoying a scientific study of liquids this month. We have liquid races to determine viscosity. We take water and see how it changes between steam and ice. They love exploring all the properties of different kinds of liquids. One thing that intrigues my students is the pattern of water when you drop a single stone into it. This ripple effect is beautiful to watch and the students marvel as the circular ripples fan out from the initial impact point. When we went to speak to our pastor about funeral arrangements recently, one thing he spoke about was the ripple effect that my in-laws have created. It is…