Oceans of Opportunity

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Portable Inflatable Habitats | some context from 2021

In June–July 1964, Ed Link – businessman, inventor, philanthropist – conducted his second Man-in-the-Sea experiment in the Berry Islands (a chain in the Bahamas) with Robert Sténuit and Jon Lindbergh, one of the sons of Charles Lindbergh. Sténuit and Lindbergh stayed in Link’s SPID habitat (Submersible, Portable, Inflatable Dwelling) for 49 hours underwater at a depth of 432 feet (132 m), breathing…

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Helmet Based Ventilation for Covid-19

Why should you consider helmet based ventilation (Helmet CPAP, Helmet NIV) for management of Covid-19 related respiratory distress? Let’s review some history and a summary of benefits… At the start of the Covid-19 pandemic, some very striking images circulated throughout the media of helmet ventilation techniques being used in Italy – full rooms of patients…

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Dive #5000 | reflections & ten unsolicited tips

This morning I looked down at my weight harness for an extra few seconds as I contemplated throwing it over my shoulders yet again…as hard as we work to make things easier, some parts of the process are here to stay. I went ahead with it, for the 5000th time – today I completed my…

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Ventilating without ventilators | keeping is simple with Oxygen Treatment Hoods

I’ll preface this with the fact that I am not a physician, nor am I in any way qualified to prescribe any type of respiratory support, other than emergently administer oxygen following a diving accident… The latter part of that statement should resonate a bit – yes, the administration of therapeutic oxygen is a first…

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Rhode Island initiative breathes new life into the Covid-19 Pandemic

Oxygen Treatment Hoods prove to save lives in Bolivia and around the world One critical solution to the global ventilator shortage may be reducing the need for ventilators altogether. Hood/helmet Positive Airway Pressure (HPAP) is a mode of non-invasive ventilation (NIV) that has been used in Italy and elsewhere for decades to treat Acute Respiratory…

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How Dare You…?

Like it or not, the little girl has a good point. Greta Thunberg’s recent United Nations address was strong, clear, and consistent. Some elder folk are probably hearing her soapbox speech and the response is an ‘aww isn’t she cute’, and that’s exactly what’s wrong – ‘how dare you’ is exactly right. It’s easy to…

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who’s in the dive team?

I’ve had to switch gears in between diving modes quite a bit as of late, so am re-hashing this post (originally from 2013) to keep some fresh perspective out there on the subject of dive team composition… The overwhelming majority of dives I have made have been alone  – or at least I’m alone in…

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New Book : Closed Circuit, Open Sourced

During my recent Blogging hiatus, I shifted my time allocated towards writing to bottom out a long overdue book project., and am pleased to share here that ‘Closed Circuit | Open Sourced’  is now published and available on Amazon.com. I’ve been diving closed circuit rebreathers for almost 20 years, having realized the strong potential for…

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Signing off…for now

To my loyal Blog readers and followers, I’m taking a break from Blogging… For this next stretch, I am committing my time allocated to writing to completing a long overdue technical manuscript, and then following that with a new book project. I have no idea how long this will keep me offline, but believe it…

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Boring worms aren’t that boring

Ahh, the glamour and high life promised to we commercial divers – international travel, becoming part of fabled sea stories, mega-buck paychecks –  boils down an inconvenient truth; boring worms aren’t (or at least shouldn’t) be that boring. For every one of those fabled sea stories that turns into a reality, there are at least…

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