Closed Circuit, Open Minds: Rebreathers, Dive Science & Beneath the Sea 2007

On this classic episode of Pod Diver Radio, Joe and Rescue Diver Rachel gear up for Beneath the Sea 2007 and take a deep dive into the world of technical diving and rebreathers. First, Joe talks with Steve Martell of PADI DSAT (Diving Science and Technology) about how modern scuba training is really built—learning objectives, curriculum design, and why today's dive courses look more like real educational programs than old-school "boot camp" scuba. Then we go in-depth on closed circuit rebreathers with Lamar Hires of Dive Rite, breaking down the design philosophy behind the Optima CCR and Optima FX: scrubber placement, Micropore cartridges, work of breathing, bailout strategies, and how the unit integrates with standard tech harnesses and wings. We wrap with a pre–Beneath the Sea 2007 preview: what's happening at the show, the Dive Rite tech-diving party, and where to find Pod Diver Radio roaming the floor with mics in hand. If you're curious about CCRs, dive training science, or the vibe of the northeast's biggest dive show, this episode is for you.