decompression illness
dr. dolittle | September 16, 2016 Image from Wikimedia commons https://commons.wikimedia.org/w/index.php?curid=1475156
Until now I had assumed that a "peep" was that squishy sugar-covered marshmallow treat that we enjoyed as kids and a "yo-yo" was a toy on a string. As it turns out, peep and yo-yo are also term used to described types of diving patterns. A square dive is one in which there are no excursions to the surface, known as a "peep", except at the end of the dive, of course. This is in contrast to a yo-yo dive in which divers repeatedly "peep" for a moment at the surface during a dive. The problem is that yo-yo…