Saturday, Fogeyisms probes a visual phenomenon usually only seen across a fairly large body of water. In fact, if the concept we are going to review were commonly known to early seafarers there would have been a lot less anxiety about the chances of sailing off the edge of the Earth. Part of our story involves nuclear power plants, a sample of which is shown in the attached photo courtesy of Google.com/Images. We hope you will stop by and enjoy the plunge with us.