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

Underwater Photography: It’s Easier Than it Was But You Still Need Some Skills

At weekends, I work in a store that specializes in underwater photography equipment. We try to match products to each customer’s needs. Recently, a young woman came in to buy an underwater camera. She professed to be a professional writer intending to supply articles to diving magazines. She wanted a camera that was very straightforward … Read more

Certified Solo Diver

In 1990 I had a story published in Michael Menduno’s  aquaCorp Journal. Michael is a pioneer of Technical Diving for sports divers, and is credited with coining the term “Technical Diving” or “Tec Diving”. We all know what the term means now, but it was a giant leap at the time to get divers from … Read more