Communications Underwater Scuba Diving Communications OK? OK! Scuba diving, like pizza, is an activity best shared (it’s also best without pineapple, but I digress). One of the first things we…

Buoyancy How can I get Buoyancy Control! Archimedes' principle indicates that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged,…

Navigation Tips I know where I want to go, but how do I get there? One of our divers recently asked me a question  "How do you do it? Lead…