No computer, no sense!

There’s a feeling of instant camaraderie among the passengers on a liveaboard dive boat because it’s in the interest of everyone on board that nobody has an accident. However, you don’t usually know everyone beforehand, neither do you know their levels of diving skill. The water at Ras Mohammed, a wall  at the southern tip of Egypt’s … Read more

Considerations of Oxygen in Diving Gas Mixtures

Oxygen is the most basic life support system our bodies employ, and yet also has the capacity to cause great harm.  Keller (1946) has called oxygen “The Princess of Gases.  She is beautiful but has to be handled with special care”.  We cannot live without it, but in prolonged breathing exposures or in deep depths … Read more

Technical Diving

At DEMA one year, I met an elderly Frenchman based in Bonaire who exhibited paintings of all manner of wrecks that lay there. When questioned about them, it seemed that most lay well beyond one-hundred feet deep. When I asked him if he used trimix for these dives he retorted as only a Frenchman can, … Read more

Looking Back On Innovating Decompression Protocols To Expedite Water Exits

The era of dive tables as the only method of calculating dive plans is one that is largely forgotten by many in the “modern” world of electronic diving computers and the plethora of algorithms and deco models that now are available. I have long been an advocate for embracing innovation and new technologies, including being … Read more